<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:bd1900bf-601a-4265-8dd1-b148cfebe337,g:36111888-82f9-4739-8f13-b7f56527d571-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="lii-20241231.xsd#ConsolidatedBalanceSheets"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/ConsolidatedBalanceSheets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_c8f9c737-10fc-4021-9564-1d5e5eb816b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_d17947a4-6b30-408b-92d0-afbf1ee165c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8f9c737-10fc-4021-9564-1d5e5eb816b7" xlink:to="loc_us-gaap_PreferredStockValue_d17947a4-6b30-408b-92d0-afbf1ee165c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_63997e43-678d-44d1-88a3-88fbcd9a76b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8f9c737-10fc-4021-9564-1d5e5eb816b7" xlink:to="loc_us-gaap_CommonStockValue_63997e43-678d-44d1-88a3-88fbcd9a76b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock_aeee1978-b5d9-4195-92c1-48c3f02e4dc3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8f9c737-10fc-4021-9564-1d5e5eb816b7" xlink:to="loc_us-gaap_AdditionalPaidInCapitalCommonStock_aeee1978-b5d9-4195-92c1-48c3f02e4dc3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_c6a282a7-1367-4f62-a668-477627ffd0d8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8f9c737-10fc-4021-9564-1d5e5eb816b7" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_c6a282a7-1367-4f62-a668-477627ffd0d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_04a5cef3-055f-4466-9b28-77cda98a90c5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8f9c737-10fc-4021-9564-1d5e5eb816b7" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_04a5cef3-055f-4466-9b28-77cda98a90c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_57b964af-6d20-4dff-9009-65e1c5e5ce79" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TreasuryStockValue"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_c8f9c737-10fc-4021-9564-1d5e5eb816b7" xlink:to="loc_us-gaap_TreasuryStockValue_57b964af-6d20-4dff-9009-65e1c5e5ce79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_e77e4027-24b5-4ffa-bdd6-7f523cc005ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_ad9c3d28-632c-4bc0-a7cb-a086ae31e267" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_e77e4027-24b5-4ffa-bdd6-7f523cc005ca" xlink:to="loc_us-gaap_LiabilitiesCurrent_ad9c3d28-632c-4bc0-a7cb-a086ae31e267" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_e082cda6-9fe8-4fa9-924c-4adc6e8de26a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_e77e4027-24b5-4ffa-bdd6-7f523cc005ca" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_e082cda6-9fe8-4fa9-924c-4adc6e8de26a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_fb8e1d21-5f25-4041-99e7-ef436176b700" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_e77e4027-24b5-4ffa-bdd6-7f523cc005ca" xlink:to="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_fb8e1d21-5f25-4041-99e7-ef436176b700" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_e1d8da4e-b5f6-4ee1-9b0f-5db360f0c8f1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_e77e4027-24b5-4ffa-bdd6-7f523cc005ca" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_e1d8da4e-b5f6-4ee1-9b0f-5db360f0c8f1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_df6cf06d-aaca-4bbb-b1cf-88284284f7bb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_e77e4027-24b5-4ffa-bdd6-7f523cc005ca" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_df6cf06d-aaca-4bbb-b1cf-88284284f7bb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_d3a08dc4-6676-46c2-8262-fefd026c801d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_b3e4549c-0fa8-455f-9862-3ea90f57f891" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d3a08dc4-6676-46c2-8262-fefd026c801d" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_b3e4549c-0fa8-455f-9862-3ea90f57f891" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_6aa7c413-32d4-480d-951b-c1d07575f8ce" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d3a08dc4-6676-46c2-8262-fefd026c801d" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_6aa7c413-32d4-480d-951b-c1d07575f8ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesCurrent_13898891-c15b-4134-8399-ec64e09703fe" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedIncomeTaxesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d3a08dc4-6676-46c2-8262-fefd026c801d" xlink:to="loc_us-gaap_AccruedIncomeTaxesCurrent_13898891-c15b-4134-8399-ec64e09703fe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaper_03fb22b1-e6d0-4d06-b784-2cf595385e67" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommercialPaper"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d3a08dc4-6676-46c2-8262-fefd026c801d" xlink:to="loc_us-gaap_CommercialPaper_03fb22b1-e6d0-4d06-b784-2cf595385e67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_6961062d-5fd8-4d18-8df3-1d4fe0a70ae2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d3a08dc4-6676-46c2-8262-fefd026c801d" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_6961062d-5fd8-4d18-8df3-1d4fe0a70ae2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_334b1a39-cd11-48db-b12a-6b67b228e9c4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_d3a08dc4-6676-46c2-8262-fefd026c801d" xlink:to="loc_us-gaap_AccountsPayableCurrent_334b1a39-cd11-48db-b12a-6b67b228e9c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_332a5bf5-d35f-43ee-985c-e85f9dda3951" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_1698fcf6-5601-4fe9-8cba-dfb150470453" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_332a5bf5-d35f-43ee-985c-e85f9dda3951" xlink:to="loc_us-gaap_AssetsCurrent_1698fcf6-5601-4fe9-8cba-dfb150470453" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_ff542025-384f-4a9c-aeba-8ca31b440d16" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_332a5bf5-d35f-43ee-985c-e85f9dda3951" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_ff542025-384f-4a9c-aeba-8ca31b440d16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_81b88b57-2bdd-4ac3-94fa-85079eadfcfc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_332a5bf5-d35f-43ee-985c-e85f9dda3951" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_81b88b57-2bdd-4ac3-94fa-85079eadfcfc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_5d856eda-72c7-4f20-a441-acbb0e8ba254" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_332a5bf5-d35f-43ee-985c-e85f9dda3951" xlink:to="loc_us-gaap_Goodwill_5d856eda-72c7-4f20-a441-acbb0e8ba254" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_f2c53478-3497-42ae-a5b4-b2daf70c82c9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_332a5bf5-d35f-43ee-985c-e85f9dda3951" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_f2c53478-3497-42ae-a5b4-b2daf70c82c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_c223eb86-b49a-4761-bee2-531263ef617b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_332a5bf5-d35f-43ee-985c-e85f9dda3951" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_c223eb86-b49a-4761-bee2-531263ef617b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_c3a73ca7-6b5f-4532-b222-d22a3fa378da" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_39cd010c-e2cf-498f-bee0-ca69ba9be6b7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_c3a73ca7-6b5f-4532-b222-d22a3fa378da" xlink:to="loc_us-gaap_OtherAssetsCurrent_39cd010c-e2cf-498f-bee0-ca69ba9be6b7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_fa043af9-cb51-4864-81a3-99940b097965" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_c3a73ca7-6b5f-4532-b222-d22a3fa378da" xlink:to="loc_us-gaap_ShortTermInvestments_fa043af9-cb51-4864-81a3-99940b097965" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_1950e69f-c9a3-4dd7-b288-2072ee6e0225" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_c3a73ca7-6b5f-4532-b222-d22a3fa378da" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_1950e69f-c9a3-4dd7-b288-2072ee6e0225" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_3930ef80-a186-44e3-99c4-c5b688a56c33" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_c3a73ca7-6b5f-4532-b222-d22a3fa378da" xlink:to="loc_us-gaap_InventoryNet_3930ef80-a186-44e3-99c4-c5b688a56c33" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesNetCurrent_1b4ca062-7714-4c8a-b10c-3bad1faf432a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReceivablesNetCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_c3a73ca7-6b5f-4532-b222-d22a3fa378da" xlink:to="loc_us-gaap_ReceivablesNetCurrent_1b4ca062-7714-4c8a-b10c-3bad1faf432a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_05823226-7485-4948-adfa-7e24f6d26db3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_007b027e-5711-42a6-990c-b0ca7418fe5c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_05823226-7485-4948-adfa-7e24f6d26db3" xlink:to="loc_us-gaap_Liabilities_007b027e-5711-42a6-990c-b0ca7418fe5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_c6500114-a55c-4017-9bc5-a0a41aa0c751" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_05823226-7485-4948-adfa-7e24f6d26db3" xlink:to="loc_us-gaap_StockholdersEquity_c6500114-a55c-4017-9bc5-a0a41aa0c751" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_e8ee7bb3-e60b-4fad-91af-63e32d555ea1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_05823226-7485-4948-adfa-7e24f6d26db3" xlink:to="loc_us-gaap_CommitmentsAndContingencies_e8ee7bb3-e60b-4fad-91af-63e32d555ea1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/ConsolidatedStatementsofOperations" xlink:type="simple" xlink:href="lii-20241231.xsd#ConsolidatedStatementsofOperations"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/ConsolidatedStatementsofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_ed975171-4cad-4825-aa01-2551a74962dd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_aa880d26-87b8-4738-96a8-164581d3f32a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_ed975171-4cad-4825-aa01-2551a74962dd" xlink:to="loc_us-gaap_Revenues_aa880d26-87b8-4738-96a8-164581d3f32a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_01ac2db2-bdcf-4741-bd62-bfc94328b52e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_ed975171-4cad-4825-aa01-2551a74962dd" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_01ac2db2-bdcf-4741-bd62-bfc94328b52e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_8ab1764a-5db7-4991-a71f-6fbef85427b4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_7ba28c83-c10f-4efe-8980-e68adf2434d6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_8ab1764a-5db7-4991-a71f-6fbef85427b4" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_7ba28c83-c10f-4efe-8980-e68adf2434d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_0f933283-b0f4-4148-bd19-49cceb51044f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_8ab1764a-5db7-4991-a71f-6fbef85427b4" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_0f933283-b0f4-4148-bd19-49cceb51044f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_96250167-bf66-4c0d-95e4-01e0bd59b7a0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_52930bf9-c0be-4b2a-a53e-38cd27bb73a1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_96250167-bf66-4c0d-95e4-01e0bd59b7a0" xlink:to="loc_us-gaap_OperatingIncomeLoss_52930bf9-c0be-4b2a-a53e-38cd27bb73a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_NonCashPensionSettlementLoss_a66002a7-8382-4131-b4e5-728b8d295dc1" xlink:href="lii-20241231.xsd#lii_NonCashPensionSettlementLoss"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_96250167-bf66-4c0d-95e4-01e0bd59b7a0" xlink:to="loc_lii_NonCashPensionSettlementLoss_a66002a7-8382-4131-b4e5-728b8d295dc1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_3bd5adb3-f0bb-4326-8ca0-601ab1e536c8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_96250167-bf66-4c0d-95e4-01e0bd59b7a0" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_3bd5adb3-f0bb-4326-8ca0-601ab1e536c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_8a5947dd-08e1-48cb-85a5-9f6b41c01ac0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_96250167-bf66-4c0d-95e4-01e0bd59b7a0" xlink:to="loc_us-gaap_InterestExpense_8a5947dd-08e1-48cb-85a5-9f6b41c01ac0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_e51a3d0c-6353-432e-ab76-8b1f7ed50a62" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_a1429ac8-5163-4d3f-95a6-ca59d1d73127" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_e51a3d0c-6353-432e-ab76-8b1f7ed50a62" xlink:to="loc_us-gaap_GrossProfit_a1429ac8-5163-4d3f-95a6-ca59d1d73127" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_376652e1-8b74-434b-9242-47d0a9fae288" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_e51a3d0c-6353-432e-ab76-8b1f7ed50a62" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_376652e1-8b74-434b-9242-47d0a9fae288" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_7b4d713f-090a-4de5-a71d-21ddb53201a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_e51a3d0c-6353-432e-ab76-8b1f7ed50a62" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_7b4d713f-090a-4de5-a71d-21ddb53201a8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_2d765792-487c-4c7a-a3f3-3b44dc90fc2e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_e51a3d0c-6353-432e-ab76-8b1f7ed50a62" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_2d765792-487c-4c7a-a3f3-3b44dc90fc2e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_GainLossonDispositionofBusinessandRelatedProperty_c110e0d4-be41-439e-80c1-e8b24020ce8a" xlink:href="lii-20241231.xsd#lii_GainLossonDispositionofBusinessandRelatedProperty"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_e51a3d0c-6353-432e-ab76-8b1f7ed50a62" xlink:to="loc_lii_GainLossonDispositionofBusinessandRelatedProperty_c110e0d4-be41-439e-80c1-e8b24020ce8a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_d0a81700-fac6-4610-95e4-ea33f2093023" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_e51a3d0c-6353-432e-ab76-8b1f7ed50a62" xlink:to="loc_us-gaap_RestructuringCharges_d0a81700-fac6-4610-95e4-ea33f2093023" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_406e9dd7-6fcb-49b2-868c-fd7f103881b0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_e51a3d0c-6353-432e-ab76-8b1f7ed50a62" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_406e9dd7-6fcb-49b2-868c-fd7f103881b0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/ConsolidatedStatementsofComprehensiveIncome" xlink:type="simple" xlink:href="lii-20241231.xsd#ConsolidatedStatementsofComprehensiveIncome"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/ConsolidatedStatementsofComprehensiveIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_5bd3ec83-169e-4d83-a1e5-e1ae7c93722c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_a1dd08b0-976a-49a9-add2-d1c0f03a6196" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_5bd3ec83-169e-4d83-a1e5-e1ae7c93722c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_a1dd08b0-976a-49a9-add2-d1c0f03a6196" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_ca63a466-0495-4898-a707-578691ad0f8f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_5bd3ec83-169e-4d83-a1e5-e1ae7c93722c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax_ca63a466-0495-4898-a707-578691ad0f8f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax_88fc7e51-c7aa-40cf-9e94-97bc1afa7019" xlink:href="lii-20241231.xsd#lii_OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_5bd3ec83-169e-4d83-a1e5-e1ae7c93722c" xlink:to="loc_lii_OtherComprehensiveIncomeLossDefinedBenefitPlanGainLossReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax_88fc7e51-c7aa-40cf-9e94-97bc1afa7019" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_3d184103-b591-4870-b6d5-bfffdf68e826" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_5bd3ec83-169e-4d83-a1e5-e1ae7c93722c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_3d184103-b591-4870-b6d5-bfffdf68e826" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_91dbd6e1-2530-4ca2-8fff-c1ffd728fa0a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_5bd3ec83-169e-4d83-a1e5-e1ae7c93722c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax_91dbd6e1-2530-4ca2-8fff-c1ffd728fa0a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax_4530832b-6dbf-4ace-9beb-af936b411f66" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_5bd3ec83-169e-4d83-a1e5-e1ae7c93722c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax_4530832b-6dbf-4ace-9beb-af936b411f66" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciEquityMethodInvestmentBeforeTax_61eb676e-006e-4c67-8300-3ca97de0aa50" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OciEquityMethodInvestmentBeforeTax"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_5bd3ec83-169e-4d83-a1e5-e1ae7c93722c" xlink:to="loc_us-gaap_OciEquityMethodInvestmentBeforeTax_61eb676e-006e-4c67-8300-3ca97de0aa50" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_5f9928ed-df6c-41bc-b61b-263038b34207" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_5bd3ec83-169e-4d83-a1e5-e1ae7c93722c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax_5f9928ed-df6c-41bc-b61b-263038b34207" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_OtherComprehensiveIncomeLossDefinedBenefitPlanPensionSettlements_68ecdd11-f92a-493b-8a7e-2f34d7baec56" xlink:href="lii-20241231.xsd#lii_OtherComprehensiveIncomeLossDefinedBenefitPlanPensionSettlements"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_5bd3ec83-169e-4d83-a1e5-e1ae7c93722c" xlink:to="loc_lii_OtherComprehensiveIncomeLossDefinedBenefitPlanPensionSettlements_68ecdd11-f92a-493b-8a7e-2f34d7baec56" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_e3b106fd-dedb-42a7-9d8a-9926bb5688ab" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_f22812cd-66fc-41f6-b36b-f0dcb58c1f0f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_e3b106fd-dedb-42a7-9d8a-9926bb5688ab" xlink:to="loc_us-gaap_NetIncomeLoss_f22812cd-66fc-41f6-b36b-f0dcb58c1f0f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_b1e4c6de-063f-439d-ae99-8554fca4dbc3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_e3b106fd-dedb-42a7-9d8a-9926bb5688ab" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_b1e4c6de-063f-439d-ae99-8554fca4dbc3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_31d7f3a1-1075-4446-b567-2323331bb19c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_f6e7df37-492f-40e3-ab27-a46d816e50ba" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_31d7f3a1-1075-4446-b567-2323331bb19c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_f6e7df37-492f-40e3-ab27-a46d816e50ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_212abb44-b1e9-4a6a-9f42-9c1449fe5363" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_31d7f3a1-1075-4446-b567-2323331bb19c" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_212abb44-b1e9-4a6a-9f42-9c1449fe5363" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/ConsolidatedStatementsofCashFlows" xlink:type="simple" xlink:href="lii-20241231.xsd#ConsolidatedStatementsofCashFlows"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/ConsolidatedStatementsofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockOptionsExercised_635bce73-d3e6-49dc-905e-257e55076b80" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromStockOptionsExercised"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:to="loc_us-gaap_ProceedsFromStockOptionsExercised_635bce73-d3e6-49dc-905e-257e55076b80" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommercialPaper_9e72cc6a-962c-49bd-a49b-ee17eb26c466" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfCommercialPaper"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommercialPaper_9e72cc6a-962c-49bd-a49b-ee17eb26c466" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromOtherDebt_45ebc495-d640-4f1e-9944-36ccfc6e0a19" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromOtherDebt"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:to="loc_us-gaap_ProceedsFromOtherDebt_45ebc495-d640-4f1e-9944-36ccfc6e0a19" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_19db2d10-4ab0-4890-b9d9-d81c20e0a993" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_19db2d10-4ab0-4890-b9d9-d81c20e0a993" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_06820e19-1671-4339-94b9-87a92a4863af" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_06820e19-1671-4339-94b9-87a92a4863af" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_7676bf6d-4d25-4715-a772-3d17ef654130" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_7676bf6d-4d25-4715-a772-3d17ef654130" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfCommercialPaper_f58d9615-c432-48cf-93f6-e0d68eed1b95" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfCommercialPaper"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:to="loc_us-gaap_RepaymentsOfCommercialPaper_f58d9615-c432-48cf-93f6-e0d68eed1b95" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_f6ae604a-ed93-47f3-899f-d09f1df2137b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_f6ae604a-ed93-47f3-899f-d09f1df2137b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfOtherDebt_fef3d742-ef0b-4c3d-a2a8-5f6aea535f13" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfOtherDebt"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:to="loc_us-gaap_RepaymentsOfOtherDebt_fef3d742-ef0b-4c3d-a2a8-5f6aea535f13" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_PaymentsProceedsFromOfDeferredFinancingCosts_207c769f-884a-43b7-9540-e19b5436b240" xlink:href="lii-20241231.xsd#lii_PaymentsProceedsFromOfDeferredFinancingCosts"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0fa29449-aae0-433f-b775-f2317cf33c84" xlink:to="loc_lii_PaymentsProceedsFromOfDeferredFinancingCosts_207c769f-884a-43b7-9540-e19b5436b240" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_884ba4d8-8a9d-4bdf-bec7-4a156fb68e2e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_884ba4d8-8a9d-4bdf-bec7-4a156fb68e2e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_6bff3fe8-e60f-4144-94d2-d8df1f3f67bc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_DepreciationAndAmortization_6bff3fe8-e60f-4144-94d2-d8df1f3f67bc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_00797eed-5b83-4a3d-a547-73be9568b412" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_00797eed-5b83-4a3d-a547-73be9568b412" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_4e800c05-7e32-4068-acd2-0435a4fb83df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_4e800c05-7e32-4068-acd2-0435a4fb83df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_240718f2-fe34-4a56-a9a1-e3f290311b40" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_240718f2-fe34-4a56-a9a1-e3f290311b40" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_IncreaseDecreaseinOperatingleaseassetandliabilitynet_4a506182-10d4-43bc-b4f8-d5786bdfe683" xlink:href="lii-20241231.xsd#lii_IncreaseDecreaseinOperatingleaseassetandliabilitynet"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_lii_IncreaseDecreaseinOperatingleaseassetandliabilitynet_4a506182-10d4-43bc-b4f8-d5786bdfe683" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_6b81d412-3741-45fa-bb8c-c7b6f2329115" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_6b81d412-3741-45fa-bb8c-c7b6f2329115" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_d4d92868-7382-4c71-b745-d5ef01032a38" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_d4d92868-7382-4c71-b745-d5ef01032a38" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCosts_7cac11ba-e586-43bd-84d3-2109cfeab45b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCosts"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_RestructuringCosts_7cac11ba-e586-43bd-84d3-2109cfeab45b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable_4367647a-cdf6-46b7-afb4-47f4ff8dc3fb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsAndNotesReceivable_4367647a-cdf6-46b7-afb4-47f4ff8dc3fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_c55052d9-b382-48a8-b954-5e8441328980" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_c55052d9-b382-48a8-b954-5e8441328980" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionContributions_c70b60b2-d0b9-48ae-b245-9ddb2062e892" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionContributions"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_PensionContributions_c70b60b2-d0b9-48ae-b245-9ddb2062e892" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_13ae38f0-7870-40f2-94c1-4b7f26fa3d56" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="13" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_NetIncomeLoss_13ae38f0-7870-40f2-94c1-4b7f26fa3d56" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_f8757bae-36a1-4914-8234-27f1e52b2d5f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_f8757bae-36a1-4914-8234-27f1e52b2d5f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_0ce807c5-7a1d-407e-be09-5c501f89a66e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable"/>
    <link:calculationArc order="15" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable_0ce807c5-7a1d-407e-be09-5c501f89a66e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_9b50efc8-c219-4add-af70-2069038bef60" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="16" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_9b50efc8-c219-4add-af70-2069038bef60" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_3586c674-851a-4414-9ce6-5cd1fd3fab35" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="17" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_3586c674-851a-4414-9ce6-5cd1fd3fab35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfBusiness_4c5c7eb4-6b97-4963-b4ed-02704a378793" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfBusiness"/>
    <link:calculationArc order="18" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_GainLossOnSaleOfBusiness_4c5c7eb4-6b97-4963-b4ed-02704a378793" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionExpense_98cbb1f6-5985-4cce-8ac1-997f059c6837" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionExpense"/>
    <link:calculationArc order="19" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_PensionExpense_98cbb1f6-5985-4cce-8ac1-997f059c6837" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayable_4cf0ba6a-f718-44e9-ae0b-2f89ac56d337" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <link:calculationArc order="20" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayable_4cf0ba6a-f718-44e9-ae0b-2f89ac56d337" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_c8347ef1-9323-49f7-aec6-796cb4e21c5a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="21" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_ShareBasedCompensation_c8347ef1-9323-49f7-aec6-796cb4e21c5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_984b0da8-53d5-4ca2-99e4-c14044ff6b8b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:calculationArc order="22" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_eb6437fb-e45b-42d4-ac37-4c1c6815f078" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_984b0da8-53d5-4ca2-99e4-c14044ff6b8b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_679d9f93-fda8-4b01-8f02-35eba691c8ec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_8305ec32-718b-457c-b49a-a2cfc55d9864" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_679d9f93-fda8-4b01-8f02-35eba691c8ec" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_8305ec32-718b-457c-b49a-a2cfc55d9864" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8992332f-5c61-41b5-bcf6-24a8eb40ddf6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_679d9f93-fda8-4b01-8f02-35eba691c8ec" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_8992332f-5c61-41b5-bcf6-24a8eb40ddf6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3a180b27-81c8-46be-b4cb-8c3ea56e8d5c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_679d9f93-fda8-4b01-8f02-35eba691c8ec" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_3a180b27-81c8-46be-b4cb-8c3ea56e8d5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f7d76516-bcb8-434b-8748-9dfb691a5101" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6a0028de-130d-478c-a3c9-fba104869ac8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f7d76516-bcb8-434b-8748-9dfb691a5101" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_6a0028de-130d-478c-a3c9-fba104869ac8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromShortTermInvestments_fb15c635-a9c1-4381-8dd1-a8cd2779f473" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForProceedsFromShortTermInvestments"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f7d76516-bcb8-434b-8748-9dfb691a5101" xlink:to="loc_us-gaap_PaymentsForProceedsFromShortTermInvestments_fb15c635-a9c1-4381-8dd1-a8cd2779f473" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_e43796fd-43a9-4f84-b2b3-a902259ebcc7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f7d76516-bcb8-434b-8748-9dfb691a5101" xlink:to="loc_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_e43796fd-43a9-4f84-b2b3-a902259ebcc7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_415817ad-7ef5-4631-8f54-6473f9c501aa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f7d76516-bcb8-434b-8748-9dfb691a5101" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesNetOfCashDivested_415817ad-7ef5-4631-8f54-6473f9c501aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_99551f49-aa6b-45b0-a99d-71084acd6b05" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_f7d76516-bcb8-434b-8748-9dfb691a5101" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_99551f49-aa6b-45b0-a99d-71084acd6b05" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/ReportableBusinessSegmentsNetSalesandSegmentProfitLossandReconciliationtoIncomefromContinuingOperationsDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#ReportableBusinessSegmentsNetSalesandSegmentProfitLossandReconciliationtoIncomefromContinuingOperationsDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/ReportableBusinessSegmentsNetSalesandSegmentProfitLossandReconciliationtoIncomefromContinuingOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_042f4832-e06b-4251-9846-18fccd7b8fc3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_SegmentProfitAndLoss_b1032a72-35bd-4baf-9d01-c96819fd02d2" xlink:href="lii-20241231.xsd#lii_SegmentProfitAndLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_042f4832-e06b-4251-9846-18fccd7b8fc3" xlink:to="loc_lii_SegmentProfitAndLoss_b1032a72-35bd-4baf-9d01-c96819fd02d2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount_fafbcb5b-855a-42f1-8501-3ac7ee34f6f7" xlink:href="lii-20241231.xsd#lii_SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_042f4832-e06b-4251-9846-18fccd7b8fc3" xlink:to="loc_lii_SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount_fafbcb5b-855a-42f1-8501-3ac7ee34f6f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_5c34e7fd-dcbc-4828-949b-e8c9ed735a12" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestructuringCharges"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_042f4832-e06b-4251-9846-18fccd7b8fc3" xlink:to="loc_us-gaap_RestructuringCharges_5c34e7fd-dcbc-4828-949b-e8c9ed735a12" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_530c3051-ad1a-4ea1-8106-7242e1187296" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_042f4832-e06b-4251-9846-18fccd7b8fc3" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_530c3051-ad1a-4ea1-8106-7242e1187296" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_GainLossonDispositionofBusinessandRelatedProperty_7d6ee56c-c5ef-43c9-9829-bf9a3c0bdc79" xlink:href="lii-20241231.xsd#lii_GainLossonDispositionofBusinessandRelatedProperty"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_042f4832-e06b-4251-9846-18fccd7b8fc3" xlink:to="loc_lii_GainLossonDispositionofBusinessandRelatedProperty_7d6ee56c-c5ef-43c9-9829-bf9a3c0bdc79" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/EarningsPerShareComputationofBasicandDilutedEarningsPerShareDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#EarningsPerShareComputationofBasicandDilutedEarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/EarningsPerShareComputationofBasicandDilutedEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_d41d8379-374c-49e7-baf2-05d46c29465a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_384810e6-5b51-40fc-a664-da980736ffef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_d41d8379-374c-49e7-baf2-05d46c29465a" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_384810e6-5b51-40fc-a664-da980736ffef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_ae12bd93-f9c0-43af-8217-a02b54f783ad" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_d41d8379-374c-49e7-baf2-05d46c29465a" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_ae12bd93-f9c0-43af-8217-a02b54f783ad" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/CommitmentsandContingenciesFutureMinimumLeasePaymentsDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#CommitmentsandContingenciesFutureMinimumLeasePaymentsDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/CommitmentsandContingenciesFutureMinimumLeasePaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_91ae53c7-922a-4653-a534-d41881bf84b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_262ebb07-5b58-46f1-a2bf-f066287658d8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_91ae53c7-922a-4653-a534-d41881bf84b2" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_262ebb07-5b58-46f1-a2bf-f066287658d8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_68c8b0d4-921d-42d8-a152-9d42423c0f02" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_91ae53c7-922a-4653-a534-d41881bf84b2" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_68c8b0d4-921d-42d8-a152-9d42423c0f02" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_3c3f24fe-2e10-4274-a599-d49a60d1b7cb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_91ae53c7-922a-4653-a534-d41881bf84b2" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_3c3f24fe-2e10-4274-a599-d49a60d1b7cb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_4c5cf21a-5225-4905-bcbd-852c54e3f4df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_91ae53c7-922a-4653-a534-d41881bf84b2" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_4c5cf21a-5225-4905-bcbd-852c54e3f4df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_51d68a6e-2973-40bf-bd38-cb65fca0b76a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_91ae53c7-922a-4653-a534-d41881bf84b2" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_51d68a6e-2973-40bf-bd38-cb65fca0b76a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_5d543e14-af86-4120-adb2-fdfd7d602d16" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_91ae53c7-922a-4653-a534-d41881bf84b2" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_5d543e14-af86-4120-adb2-fdfd7d602d16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_7a374911-a6fa-4f0f-91ff-10f0741bd00d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_a7f5743d-a6e3-4578-bb40-66700713a54e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_7a374911-a6fa-4f0f-91ff-10f0741bd00d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_a7f5743d-a6e3-4578-bb40-66700713a54e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_2fa7d2db-504f-4f5e-9a35-1f7c96a6b3b2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_7a374911-a6fa-4f0f-91ff-10f0741bd00d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_2fa7d2db-504f-4f5e-9a35-1f7c96a6b3b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6e580905-7a25-45d9-9217-b94d94371492" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_7a374911-a6fa-4f0f-91ff-10f0741bd00d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_6e580905-7a25-45d9-9217-b94d94371492" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_d0c6081b-f972-45c5-ade4-7a6f9b4d4b84" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_7a374911-a6fa-4f0f-91ff-10f0741bd00d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_d0c6081b-f972-45c5-ade4-7a6f9b4d4b84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_bc19aa88-1c80-494f-928d-df38b1638767" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_7a374911-a6fa-4f0f-91ff-10f0741bd00d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_bc19aa88-1c80-494f-928d-df38b1638767" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_f3fad33c-371f-4bd9-9f01-17aaac5b6df2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_7a374911-a6fa-4f0f-91ff-10f0741bd00d" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_f3fad33c-371f-4bd9-9f01-17aaac5b6df2" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/CommitmentsandContingenciesFutureMinimumLeasePaymentsDetails_1" xlink:type="simple" xlink:href="lii-20241231.xsd#CommitmentsandContingenciesFutureMinimumLeasePaymentsDetails_1"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/CommitmentsandContingenciesFutureMinimumLeasePaymentsDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d6d6d086-aadb-417f-8f52-51a7dace7492" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_385ecb1d-9076-48cd-b25d-8fea69c7eaa9" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d6d6d086-aadb-417f-8f52-51a7dace7492" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_385ecb1d-9076-48cd-b25d-8fea69c7eaa9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_7fa39b4f-5ae0-4ad8-99dd-4a753acd5a51" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_d6d6d086-aadb-417f-8f52-51a7dace7492" xlink:to="loc_us-gaap_OperatingLeaseLiability_7fa39b4f-5ae0-4ad8-99dd-4a753acd5a51" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_d04503fc-8791-4759-bf60-f04aff374025" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_696594b5-a0d3-41c9-a581-39090c38fbea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_d04503fc-8791-4759-bf60-f04aff374025" xlink:to="loc_us-gaap_FinanceLeaseLiability_696594b5-a0d3-41c9-a581-39090c38fbea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_8fc4b375-0433-4b5c-9866-15ae5c6f74e1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_d04503fc-8791-4759-bf60-f04aff374025" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_8fc4b375-0433-4b5c-9866-15ae5c6f74e1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/CommitmentsandContingenciesProductWarrantyLiabiltiesDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#CommitmentsandContingenciesProductWarrantyLiabiltiesDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/CommitmentsandContingenciesProductWarrantyLiabiltiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrual_9cf8768e-f967-49bb-9c4b-b2dbffb3f969" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProductWarrantyAccrual"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualNoncurrent_2bb5b504-adb0-4893-bee3-5defde12bc79" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProductWarrantyAccrualNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProductWarrantyAccrual_9cf8768e-f967-49bb-9c4b-b2dbffb3f969" xlink:to="loc_us-gaap_ProductWarrantyAccrualNoncurrent_2bb5b504-adb0-4893-bee3-5defde12bc79" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_5b615236-289c-4303-b944-b5aa5707f42b" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ProductWarrantyAccrual_9cf8768e-f967-49bb-9c4b-b2dbffb3f969" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_5b615236-289c-4303-b944-b5aa5707f42b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/CommitmentsandContingenciesSelfinsuranceLiabilitiesDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#CommitmentsandContingenciesSelfinsuranceLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/CommitmentsandContingenciesSelfinsuranceLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SelfInsuranceReserve_d448ace6-8fd5-4cf6-97d3-1ee95cad8afc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SelfInsuranceReserve"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SelfInsuranceReserveCurrent_3ec6a6d8-a1f5-4f69-a16b-43ab1058d10c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SelfInsuranceReserveCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SelfInsuranceReserve_d448ace6-8fd5-4cf6-97d3-1ee95cad8afc" xlink:to="loc_us-gaap_SelfInsuranceReserveCurrent_3ec6a6d8-a1f5-4f69-a16b-43ab1058d10c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SelfInsuranceReserveNoncurrent_6497e800-d575-46ed-acec-7c969b44b76c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SelfInsuranceReserveNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_SelfInsuranceReserve_d448ace6-8fd5-4cf6-97d3-1ee95cad8afc" xlink:to="loc_us-gaap_SelfInsuranceReserveNoncurrent_6497e800-d575-46ed-acec-7c969b44b76c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/InventoriesDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#InventoriesDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/InventoriesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryGross_89cae746-a65b-4408-8272-5d4c55b361a5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoods_91e8f12c-a043-44eb-88e5-76d420b2220f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryFinishedGoods"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_89cae746-a65b-4408-8272-5d4c55b361a5" xlink:to="loc_us-gaap_InventoryFinishedGoods_91e8f12c-a043-44eb-88e5-76d420b2220f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcess_03815520-d3bd-4faa-bde1-ab8ffe3e2198" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryWorkInProcess"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_89cae746-a65b-4408-8272-5d4c55b361a5" xlink:to="loc_us-gaap_InventoryWorkInProcess_03815520-d3bd-4faa-bde1-ab8ffe3e2198" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsAndSupplies_8b286eca-6f21-4fd6-af23-331501954081" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryRawMaterialsAndSupplies"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_89cae746-a65b-4408-8272-5d4c55b361a5" xlink:to="loc_us-gaap_InventoryRawMaterialsAndSupplies_8b286eca-6f21-4fd6-af23-331501954081" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_2a6933dd-c50d-4271-bd4c-8306d42af4f7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryGross_711c36bd-2cdc-4b29-bc57-d8f3a0083e59" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_2a6933dd-c50d-4271-bd4c-8306d42af4f7" xlink:to="loc_us-gaap_InventoryGross_711c36bd-2cdc-4b29-bc57-d8f3a0083e59" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryLIFOReserve_6cadc31a-a800-4acc-a138-ec1307a0ed47" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InventoryLIFOReserve"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_2a6933dd-c50d-4271-bd4c-8306d42af4f7" xlink:to="loc_us-gaap_InventoryLIFOReserve_6cadc31a-a800-4acc-a138-ec1307a0ed47" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/PropertyPlantandEquipmentComponentsDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#PropertyPlantandEquipmentComponentsDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/PropertyPlantandEquipmentComponentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_5c75c6b9-3a1a-429a-ae66-468c60d531ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_562a1302-00df-4b70-ad39-9ecec0aa3874" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_5c75c6b9-3a1a-429a-ae66-468c60d531ca" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_562a1302-00df-4b70-ad39-9ecec0aa3874" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_da7ba043-6b13-4b57-a849-8d43a29696e5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_5c75c6b9-3a1a-429a-ae66-468c60d531ca" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_da7ba043-6b13-4b57-a849-8d43a29696e5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_9bbfdfd4-7dea-4463-90fb-8e5bc8d430ee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Land_7dc071b7-b29a-424e-a3de-72b78fa0fe1e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Land"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_9bbfdfd4-7dea-4463-90fb-8e5bc8d430ee" xlink:to="loc_us-gaap_Land_7dc071b7-b29a-424e-a3de-72b78fa0fe1e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingsAndImprovementsGross_7892eb7a-7c56-4fbc-b433-aa762ceca543" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BuildingsAndImprovementsGross"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_9bbfdfd4-7dea-4463-90fb-8e5bc8d430ee" xlink:to="loc_us-gaap_BuildingsAndImprovementsGross_7892eb7a-7c56-4fbc-b433-aa762ceca543" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MachineryAndEquipmentGross_d39e90e0-6a3d-4e2e-9713-925eccbc7798" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MachineryAndEquipmentGross"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_9bbfdfd4-7dea-4463-90fb-8e5bc8d430ee" xlink:to="loc_us-gaap_MachineryAndEquipmentGross_d39e90e0-6a3d-4e2e-9713-925eccbc7798" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConstructionInProgressGross_4d18d9c9-abc0-450b-a74f-354f8afd885c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConstructionInProgressGross"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_9bbfdfd4-7dea-4463-90fb-8e5bc8d430ee" xlink:to="loc_us-gaap_ConstructionInProgressGross_4d18d9c9-abc0-450b-a74f-354f8afd885c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_a318d26f-557a-488f-919b-f45899c2dd01" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentGross_9bbfdfd4-7dea-4463-90fb-8e5bc8d430ee" xlink:to="loc_us-gaap_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_a318d26f-557a-488f-919b-f45899c2dd01" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/AccruedExpensesDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#AccruedExpensesDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/AccruedExpensesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_91cb9bc2-c93f-41ac-9905-f50270afe26a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_91cb9bc2-c93f-41ac-9905-f50270afe26a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEmployeeBenefitsCurrent_290dfcae-d3b1-43f4-94aa-92017b2c2cb5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedEmployeeBenefitsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_us-gaap_AccruedEmployeeBenefitsCurrent_290dfcae-d3b1-43f4-94aa-92017b2c2cb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrent_4ec774ce-a657-41bb-a83d-b3ddb3d21f7f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestPayableCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_us-gaap_InterestPayableCurrent_4ec774ce-a657-41bb-a83d-b3ddb3d21f7f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross_7138d61e-86c1-4cb6-8957-33a2c559932f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_us-gaap_LiabilityForAsbestosAndEnvironmentalClaimsGross_7138d61e-86c1-4cb6-8957-33a2c559932f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_9700be82-1e2e-468f-bc59-2a21c18f86c2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_9700be82-1e2e-468f-bc59-2a21c18f86c2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_AccruedFreightCurrent_957599b8-cf6f-4263-b2be-6ff0cd532385" xlink:href="lii-20241231.xsd#lii_AccruedFreightCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_lii_AccruedFreightCurrent_957599b8-cf6f-4263-b2be-6ff0cd532385" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_AccruedPensionCurrent_15daab6e-2e9f-4332-a534-0dc6b1218c77" xlink:href="lii-20241231.xsd#lii_AccruedPensionCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_lii_AccruedPensionCurrent_15daab6e-2e9f-4332-a534-0dc6b1218c77" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_581d508a-4cc4-4624-b376-fdd7038557fa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_581d508a-4cc4-4624-b376-fdd7038557fa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SelfInsuranceReserveCurrent_79060081-8b62-415d-9f74-5916308bbefd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SelfInsuranceReserveCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_us-gaap_SelfInsuranceReserveCurrent_79060081-8b62-415d-9f74-5916308bbefd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesAndExciseTaxPayableCurrent_6cfa1c5f-7bd7-44bb-96f5-4731dd96ef8c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SalesAndExciseTaxPayableCurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_us-gaap_SalesAndExciseTaxPayableCurrent_6cfa1c5f-7bd7-44bb-96f5-4731dd96ef8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedExchangeFeeRebateCurrent_0d6fda68-87d8-450d-8fe9-48ed70c0b591" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccruedExchangeFeeRebateCurrent"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_us-gaap_AccruedExchangeFeeRebateCurrent_0d6fda68-87d8-450d-8fe9-48ed70c0b591" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredRevenueCurrent_6b15c17a-4321-48fa-b38b-8172333d958a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredRevenueCurrent"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_bf52c93f-adde-46f0-ae6a-192bafd127a8" xlink:to="loc_us-gaap_DeferredRevenueCurrent_6b15c17a-4321-48fa-b38b-8172333d958a" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/DerivativesCashFlowHedgesinAOCIDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#DerivativesCashFlowHedgesinAOCIDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/DerivativesCashFlowHedgesinAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AociLossCashFlowHedgeCumulativeGainLossAfterTax_12bc2a9b-f102-4f4f-a4c8-aeaf761e0179" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AociLossCashFlowHedgeCumulativeGainLossAfterTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1_2f98cca5-c7f3-4124-a3ef-6e43c1d3fa73" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AociLossCashFlowHedgeCumulativeGainLossAfterTax_12bc2a9b-f102-4f4f-a4c8-aeaf761e0179" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossBeforeTax1_2f98cca5-c7f3-4124-a3ef-6e43c1d3fa73" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesProvisionBenefitForTax_5a6efb76-3c32-44bd-85df-7d15b39ea5d8" xlink:href="lii-20241231.xsd#lii_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesProvisionBenefitForTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AociLossCashFlowHedgeCumulativeGainLossAfterTax_12bc2a9b-f102-4f4f-a4c8-aeaf761e0179" xlink:to="loc_lii_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesProvisionBenefitForTax_5a6efb76-3c32-44bd-85df-7d15b39ea5d8" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/SupplementalInformationComponentsofInterestExpenseDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#SupplementalInformationComponentsofInterestExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/SupplementalInformationComponentsofInterestExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_e5e52edf-d8c2-4c22-bf2f-9b83a7f00e81" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpense"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOther_e4e43c49-d07c-4414-b270-420d7a5813f4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpense_e5e52edf-d8c2-4c22-bf2f-9b83a7f00e81" xlink:to="loc_us-gaap_InterestExpenseOther_e4e43c49-d07c-4414-b270-420d7a5813f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_5a1a06aa-8836-465c-8fb1-be78fc1cb8c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_InterestExpense_e5e52edf-d8c2-4c22-bf2f-9b83a7f00e81" xlink:to="loc_us-gaap_InvestmentIncomeInterest_5a1a06aa-8836-465c-8fb1-be78fc1cb8c3" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/LossesandOtherExpensesnetDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#LossesandOtherExpensesnetDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/LossesandOtherExpensesnetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_511c5e91-9542-4efd-8e94-9aec0f75f25d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncomeOtherOperatingIncome_3ec38cfd-5fea-4d3c-83f2-a52c8529b29d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoninterestIncomeOtherOperatingIncome"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherOperatingIncomeExpenseNet_511c5e91-9542-4efd-8e94-9aec0f75f25d" xlink:to="loc_us-gaap_NoninterestIncomeOtherOperatingIncome_3ec38cfd-5fea-4d3c-83f2-a52c8529b29d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_OtherOperatingIncomeLoss_ecadbddf-4d04-4618-aa15-0022de63cd9d" xlink:href="lii-20241231.xsd#lii_OtherOperatingIncomeLoss"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherOperatingIncomeExpenseNet_511c5e91-9542-4efd-8e94-9aec0f75f25d" xlink:to="loc_lii_OtherOperatingIncomeLoss_ecadbddf-4d04-4618-aa15-0022de63cd9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherExpenses_1241dc84-107d-4278-965a-f532a50fde71" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherExpenses"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherOperatingIncomeExpenseNet_511c5e91-9542-4efd-8e94-9aec0f75f25d" xlink:to="loc_us-gaap_OtherExpenses_1241dc84-107d-4278-965a-f532a50fde71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDispositionOfAssets_38585baa-f8c5-48f4-af62-6e44df5b600e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnDispositionOfAssets"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherOperatingIncomeExpenseNet_511c5e91-9542-4efd-8e94-9aec0f75f25d" xlink:to="loc_us-gaap_GainLossOnDispositionOfAssets_38585baa-f8c5-48f4-af62-6e44df5b600e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfDerivatives_ad69fdfe-4c4a-4a4e-a2d3-413e4bf9e541" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfDerivatives"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherOperatingIncomeExpenseNet_511c5e91-9542-4efd-8e94-9aec0f75f25d" xlink:to="loc_us-gaap_GainLossOnSaleOfDerivatives_ad69fdfe-4c4a-4a4e-a2d3-413e4bf9e541" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_e4d67b5c-65f4-4987-9012-9ec7239fa6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherOperatingIncomeExpenseNet_511c5e91-9542-4efd-8e94-9aec0f75f25d" xlink:to="loc_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_e4d67b5c-65f4-4987-9012-9ec7239fa6dc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts_16f28155-2c46-4caf-8da4-c561cf281764" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherOperatingIncomeExpenseNet_511c5e91-9542-4efd-8e94-9aec0f75f25d" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts_16f28155-2c46-4caf-8da4-c561cf281764" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalRemediationExpense_c657161e-2273-4c3e-90ee-5c3b060f77ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EnvironmentalRemediationExpense"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherOperatingIncomeExpenseNet_511c5e91-9542-4efd-8e94-9aec0f75f25d" xlink:to="loc_us-gaap_EnvironmentalRemediationExpense_c657161e-2273-4c3e-90ee-5c3b060f77ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonrecurringExpense_4ff852d5-1696-42e2-bf8f-f400ebe4fde0" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherNonrecurringExpense"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherOperatingIncomeExpenseNet_511c5e91-9542-4efd-8e94-9aec0f75f25d" xlink:to="loc_us-gaap_OtherNonrecurringExpense_4ff852d5-1696-42e2-bf8f-f400ebe4fde0" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/EmployeeBenefitPlansPlansFundedStatusDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#EmployeeBenefitPlansPlansFundedStatusDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/EmployeeBenefitPlansPlansFundedStatusDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_693041c0-0521-4c27-a942-cac9a7a59090" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanFundedStatusOfPlan"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanBenefitObligation_6a1bf7d0-94d2-47d0-902e-dae7d1cea792" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanBenefitObligation"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_693041c0-0521-4c27-a942-cac9a7a59090" xlink:to="loc_us-gaap_DefinedBenefitPlanBenefitObligation_6a1bf7d0-94d2-47d0-902e-dae7d1cea792" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_47c88e4c-2a39-48e0-82bf-bcaea238fe85" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanFairValueOfPlanAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanFundedStatusOfPlan_693041c0-0521-4c27-a942-cac9a7a59090" xlink:to="loc_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets_47c88e4c-2a39-48e0-82bf-bcaea238fe85" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_7b35d5bc-5fd3-46c9-a2bf-c3ea1159d222" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_7b5bb25c-4131-4b2d-ba16-a9313871e37d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_7b35d5bc-5fd3-46c9-a2bf-c3ea1159d222" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities_7b5bb25c-4131-4b2d-ba16-a9313871e37d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_6fb29188-a1c9-4c97-b26b-8ead9d651171" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_7b35d5bc-5fd3-46c9-a2bf-c3ea1159d222" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_6fb29188-a1c9-4c97-b26b-8ead9d651171" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_42796441-c8bf-4b89-ba2f-f01df1032a1e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesCurrentAndNoncurrent_7b35d5bc-5fd3-46c9-a2bf-c3ea1159d222" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_42796441-c8bf-4b89-ba2f-f01df1032a1e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/EmployeeBenefitPlansComponentsofNetPeriodicBenefitCostDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#EmployeeBenefitPlansComponentsofNetPeriodicBenefitCostDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/EmployeeBenefitPlansComponentsofNetPeriodicBenefitCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_c03db494-b96f-43dd-9b89-11b4b3e412ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_caf9dda7-fcec-4861-a211-cc91694dbf74" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_c03db494-b96f-43dd-9b89-11b4b3e412ca" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_caf9dda7-fcec-4861-a211-cc91694dbf74" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_aa306d2f-00b2-4c39-b3eb-b3f93b4b9137" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_c03db494-b96f-43dd-9b89-11b4b3e412ca" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_aa306d2f-00b2-4c39-b3eb-b3f93b4b9137" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_e3ae592b-5643-46df-9d7a-6af993056fe5" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_c03db494-b96f-43dd-9b89-11b4b3e412ca" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_e3ae592b-5643-46df-9d7a-6af993056fe5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_46bc4902-9bdb-4a09-99c6-37fa425b41ca" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_c03db494-b96f-43dd-9b89-11b4b3e412ca" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_46bc4902-9bdb-4a09-99c6-37fa425b41ca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_82b98d98-083c-4db7-bb61-b1682f0af536" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_c03db494-b96f-43dd-9b89-11b4b3e412ca" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_82b98d98-083c-4db7-bb61-b1682f0af536" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_37614cf6-34f9-46e8-a104-59680da4e034" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_c03db494-b96f-43dd-9b89-11b4b3e412ca" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_37614cf6-34f9-46e8-a104-59680da4e034" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_Definedbenefitplannetperiodicbenefitcostothers_8fdf0a72-a2f6-46e0-ad72-02a8109a1f59" xlink:href="lii-20241231.xsd#lii_Definedbenefitplannetperiodicbenefitcostothers"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_c03db494-b96f-43dd-9b89-11b4b3e412ca" xlink:to="loc_lii_Definedbenefitplannetperiodicbenefitcostothers_8fdf0a72-a2f6-46e0-ad72-02a8109a1f59" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/EmployeeBenefitPlansAmountsRecognizedinAOCIandOtherComprehensiveIncomeLossDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#EmployeeBenefitPlansAmountsRecognizedinAOCIandOtherComprehensiveIncomeLossDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/EmployeeBenefitPlansAmountsRecognizedinAOCIandOtherComprehensiveIncomeLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_836275ab-be1d-4efa-9115-429bbfa5d6c7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_3d201fcc-5f49-4744-9273-494cd730c076" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_836275ab-be1d-4efa-9115-429bbfa5d6c7" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_3d201fcc-5f49-4744-9273-494cd730c076" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeTax_d3025a62-9260-4dd1-b54f-433e59efc3a0" xlink:href="lii-20241231.xsd#lii_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax_836275ab-be1d-4efa-9115-429bbfa5d6c7" xlink:to="loc_lii_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeTax_d3025a62-9260-4dd1-b54f-433e59efc3a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_bfdbc4fb-8120-45a8-8e5b-f2b2b8307157" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax_4a97ae98-1918-4746-8252-4c85035dafe1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_bfdbc4fb-8120-45a8-8e5b-f2b2b8307157" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax_4a97ae98-1918-4746-8252-4c85035dafe1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_2ad9c05c-7b31-4ce9-b10c-82e670733591" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_bfdbc4fb-8120-45a8-8e5b-f2b2b8307157" xlink:to="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax_2ad9c05c-7b31-4ce9-b10c-82e670733591" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossDivestitureBeforeTax_f8c617fd-028c-44b2-a5ec-2c140a8cab92" xlink:href="lii-20241231.xsd#lii_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossDivestitureBeforeTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax_bfdbc4fb-8120-45a8-8e5b-f2b2b8307157" xlink:to="loc_lii_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossDivestitureBeforeTax_f8c617fd-028c-44b2-a5ec-2c140a8cab92" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_3e223ec8-5332-4356-96f0-ba72adc28c43" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_baef2297-f5cb-49a9-a7de-414554669472" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_3e223ec8-5332-4356-96f0-ba72adc28c43" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax_baef2297-f5cb-49a9-a7de-414554669472" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_d6768ec0-18ff-481d-ae7a-edc2ff061830" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_3e223ec8-5332-4356-96f0-ba72adc28c43" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_d6768ec0-18ff-481d-ae7a-edc2ff061830" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_d7f48bfc-f724-4fd1-8f9a-d5e24f455155" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_3e223ec8-5332-4356-96f0-ba72adc28c43" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_d7f48bfc-f724-4fd1-8f9a-d5e24f455155" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_04cecf00-d122-4c58-893b-d63ea02bf104" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_3e223ec8-5332-4356-96f0-ba72adc28c43" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax_04cecf00-d122-4c58-893b-d63ea02bf104" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/JointVenturesandOtherEquityInvestmentsCombinedBalanceofEquityMethodInvestmentsDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#JointVenturesandOtherEquityInvestmentsCombinedBalanceofEquityMethodInvestmentsDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/JointVenturesandOtherEquityInvestmentsCombinedBalanceofEquityMethodInvestmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Investments_a52c70ad-6fda-4092-8361-d3d311614e31" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Investments"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss_4bba65d3-f07d-4772-813a-e371e1847692" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_a52c70ad-6fda-4092-8361-d3d311614e31" xlink:to="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss_4bba65d3-f07d-4772-813a-e371e1847692" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_f8bbc8f0-e332-49ff-84ec-0ab5b75b87df" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestments"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Investments_a52c70ad-6fda-4092-8361-d3d311614e31" xlink:to="loc_us-gaap_EquityMethodInvestments_f8bbc8f0-e332-49ff-84ec-0ab5b75b87df" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/IncomeTaxesProvisionforIncomeTaxesDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#IncomeTaxesProvisionforIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/IncomeTaxesProvisionforIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_e23e5d1c-3ac9-431d-bfbc-23bc446fa1d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d167f4e4-d840-4045-8cf2-de62536b04cd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_e23e5d1c-3ac9-431d-bfbc-23bc446fa1d3" xlink:to="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_d167f4e4-d840-4045-8cf2-de62536b04cd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_50fdea08-e1b2-4460-a98d-cea7a0b2432a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_e23e5d1c-3ac9-431d-bfbc-23bc446fa1d3" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_50fdea08-e1b2-4460-a98d-cea7a0b2432a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8b683fa4-9b56-4058-a2e1-ae6d505c79e2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_af9a433d-b4e5-4292-9f9a-c5af1a9df9ec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8b683fa4-9b56-4058-a2e1-ae6d505c79e2" xlink:to="loc_us-gaap_DeferredFederalIncomeTaxExpenseBenefit_af9a433d-b4e5-4292-9f9a-c5af1a9df9ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_ee6eb86c-5ade-407b-8c1c-7d812f337289" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8b683fa4-9b56-4058-a2e1-ae6d505c79e2" xlink:to="loc_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit_ee6eb86c-5ade-407b-8c1c-7d812f337289" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_c24aebcf-6a6e-4f91-af9f-7a950a82385c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredForeignIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_8b683fa4-9b56-4058-a2e1-ae6d505c79e2" xlink:to="loc_us-gaap_DeferredForeignIncomeTaxExpenseBenefit_c24aebcf-6a6e-4f91-af9f-7a950a82385c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_b9a216e8-4c5e-42fa-8aa1-18eb531bc4f6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentFederalTaxExpenseBenefit_28ae5806-c52d-48c5-9dfb-7fe0ef5fd61a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentFederalTaxExpenseBenefit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_b9a216e8-4c5e-42fa-8aa1-18eb531bc4f6" xlink:to="loc_us-gaap_CurrentFederalTaxExpenseBenefit_28ae5806-c52d-48c5-9dfb-7fe0ef5fd61a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_efa2cf58-4d57-42f1-9b32-aa17d21e2a46" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_b9a216e8-4c5e-42fa-8aa1-18eb531bc4f6" xlink:to="loc_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_efa2cf58-4d57-42f1-9b32-aa17d21e2a46" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentForeignTaxExpenseBenefit_e43c3aac-b2dd-4c06-8a15-810270a37e86" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentForeignTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit_b9a216e8-4c5e-42fa-8aa1-18eb531bc4f6" xlink:to="loc_us-gaap_CurrentForeignTaxExpenseBenefit_e43c3aac-b2dd-4c06-8a15-810270a37e86" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/IncomeTaxesIncomefromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#IncomeTaxesIncomefromContinuingOperationsBeforeIncomeTaxesDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/IncomeTaxesIncomefromContinuingOperationsBeforeIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_073c6c39-ae47-4016-aadd-c51147f4402a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_46fbc5ef-76a7-4bac-a5db-196e40e362c3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_073c6c39-ae47-4016-aadd-c51147f4402a" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_46fbc5ef-76a7-4bac-a5db-196e40e362c3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_a5a777ab-e6b9-4487-8d52-9ad97f5ba39e" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_073c6c39-ae47-4016-aadd-c51147f4402a" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_a5a777ab-e6b9-4487-8d52-9ad97f5ba39e" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/IncomeTaxesReconciliationofIncomeTaxRateDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#IncomeTaxesReconciliationofIncomeTaxRateDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/IncomeTaxesReconciliationofIncomeTaxRateDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_ee45eab6-9179-42fb-8740-18068a7f72ec" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate_ee45eab6-9179-42fb-8740-18068a7f72ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_cd1459ad-5fcc-4fd9-bc64-925cf6ec1c16" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes_cd1459ad-5fcc-4fd9-bc64-925cf6ec1c16" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_b11ed585-f231-428c-a206-65cb908299f6" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationTaxCreditsResearch"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxCreditsResearch_b11ed585-f231-428c-a206-65cb908299f6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxContingenciesOther_a1e47115-f333-4fe6-9039-b0c3986e1c41" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationTaxContingenciesOther"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxContingenciesOther_a1e47115-f333-4fe6-9039-b0c3986e1c41" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_4fba57e1-7b93-4959-b713-ed6d69051a06" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_4fba57e1-7b93-4959-b713-ed6d69051a06" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_2a2606a8-d47c-450b-b819-1c73bd0ad5e3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_2a2606a8-d47c-450b-b819-1c73bd0ad5e3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_33c48fae-0e2f-4a4a-9fcf-07b69fa247ea" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_IncomeTaxReconciliationRepatriationOfForeignEarnings_33c48fae-0e2f-4a4a-9fcf-07b69fa247ea" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationGiltiAmount_4d1d2966-a79b-4973-9809-6591827c5e43" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationGiltiAmount"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationGiltiAmount_4d1d2966-a79b-4973-9809-6591827c5e43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_fbd21b67-8336-4bb2-bb19-7f3885fa3108" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate_fbd21b67-8336-4bb2-bb19-7f3885fa3108" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_e3758ddb-5ec4-467f-8c6c-eb6cf74fcd8c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_e3758ddb-5ec4-467f-8c6c-eb6cf74fcd8c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationOtherReconcilingItems_b9ba57c8-f068-497b-917e-c2bac4527513" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxReconciliationOtherReconcilingItems"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit_c43634ff-0f26-4b03-807a-45cb91b12d97" xlink:to="loc_us-gaap_IncomeTaxReconciliationOtherReconcilingItems_b9ba57c8-f068-497b-917e-c2bac4527513" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/IncomeTaxesDeferredTaxAssetsLiabilitiesDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#IncomeTaxesDeferredTaxAssetsLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/IncomeTaxesDeferredTaxAssetsLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_9745524a-c750-4c63-b370-de8d0b8f6061" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_8b71458c-b9f0-4354-be79-1af1159d5c0c" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_9745524a-c750-4c63-b370-de8d0b8f6061" xlink:to="loc_us-gaap_DeferredTaxAssetsNet_8b71458c-b9f0-4354-be79-1af1159d5c0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_7ef1c401-3e09-4f7b-887d-05f96ade11d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_9745524a-c750-4c63-b370-de8d0b8f6061" xlink:to="loc_us-gaap_DeferredTaxLiabilities_7ef1c401-3e09-4f7b-887d-05f96ade11d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInventory_2d09bd68-d9d3-4805-b4ab-b7fbdaa6dccd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsInventory"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:to="loc_us-gaap_DeferredTaxAssetsInventory_2d09bd68-d9d3-4805-b4ab-b7fbdaa6dccd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_778bac08-12cd-490f-a595-a9f1d66ceafa" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits_778bac08-12cd-490f-a595-a9f1d66ceafa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves_2194fafc-365d-4774-a4b5-d4710ef7cccd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves_2194fafc-365d-4774-a4b5-d4710ef7cccd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_bfdb5e9b-22e0-4c09-9da0-60b7e2094545" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_bfdb5e9b-22e0-4c09-9da0-60b7e2094545" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits_e7f8e4ac-679c-49c8-a1c9-992051306a5a" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits_e7f8e4ac-679c-49c8-a1c9-992051306a5a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_7ae93c34-51da-41c7-8c13-0b34c4f76acb" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:to="loc_us-gaap_DeferredTaxAssetsInProcessResearchAndDevelopment_7ae93c34-51da-41c7-8c13-0b34c4f76acb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_0176286e-a0d7-4116-9c80-6a52dcc5fccd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_0176286e-a0d7-4116-9c80-6a52dcc5fccd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances_8d7b1216-e131-49be-9d26-eeaa8ec2b401" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances_8d7b1216-e131-49be-9d26-eeaa8ec2b401" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements_0dd00e61-01b1-4aae-b0f6-0ef8c9b0bfef" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements_0dd00e61-01b1-4aae-b0f6-0ef8c9b0bfef" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther_ac7f611f-e6ed-4642-8f21-0ac49dd77d98" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsGross_2b215b32-515b-499d-9615-8c94bfb1493a" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsOther_ac7f611f-e6ed-4642-8f21-0ac49dd77d98" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_d740a773-d4b8-4c4b-9c7b-6be4e82eeaa3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_975d231e-62cf-4c31-b300-1d1242fd5e39" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_d740a773-d4b8-4c4b-9c7b-6be4e82eeaa3" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_975d231e-62cf-4c31-b300-1d1242fd5e39" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_5e34c7c3-bdbd-4481-8af7-e70058cf766f" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_d740a773-d4b8-4c4b-9c7b-6be4e82eeaa3" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_5e34c7c3-bdbd-4481-8af7-e70058cf766f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAndOtherLiabilitiesNoncurrent_e500cbb9-2d2d-4663-bf86-c39fd00bfaf7" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAndOtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_d740a773-d4b8-4c4b-9c7b-6be4e82eeaa3" xlink:to="loc_us-gaap_DeferredTaxAndOtherLiabilitiesNoncurrent_e500cbb9-2d2d-4663-bf86-c39fd00bfaf7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_8ba2c323-fdb9-4670-8fe6-f4a97314ff35" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxLiabilities_d740a773-d4b8-4c4b-9c7b-6be4e82eeaa3" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment_8ba2c323-fdb9-4670-8fe6-f4a97314ff35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNet_e88ac8f9-dea7-40c1-8e5f-1f6c45b64719" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_f5749d68-8047-42f3-8734-b3b40cb794fd" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_e88ac8f9-dea7-40c1-8e5f-1f6c45b64719" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_f5749d68-8047-42f3-8734-b3b40cb794fd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_06f9373d-e449-4761-93b0-d3b0c3c157a4" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_DeferredTaxAssetsNet_e88ac8f9-dea7-40c1-8e5f-1f6c45b64719" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_06f9373d-e449-4761-93b0-d3b0c3c157a4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/ComprehensiveIncomeChangesinAOCIDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#ComprehensiveIncomeChangesinAOCIDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/ComprehensiveIncomeChangesinAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_17041c30-8a7f-418f-bd70-0ccd1b524092" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_a75da665-759f-4630-a451-70dc939c2e4d" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_17041c30-8a7f-418f-bd70-0ccd1b524092" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax_a75da665-759f-4630-a451-70dc939c2e4d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_68ec1593-bf20-4e75-8ff6-9f7bfa61a562" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_17041c30-8a7f-418f-bd70-0ccd1b524092" xlink:to="loc_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax_68ec1593-bf20-4e75-8ff6-9f7bfa61a562" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/PriorYearAcquisitionPurchasePriceAdjustmentsDetails" xlink:type="simple" xlink:href="lii-20241231.xsd#PriorYearAcquisitionPurchasePriceAdjustmentsDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/PriorYearAcquisitionPurchasePriceAdjustmentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_5d7f9a10-16dd-4151-a541-0f263b0215d3" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_1018e196-debc-432b-a589-13cc609ef9a1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_5d7f9a10-16dd-4151-a541-0f263b0215d3" xlink:to="loc_us-gaap_Goodwill_1018e196-debc-432b-a589-13cc609ef9a1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_24fab2ff-22e3-4cf1-b6ae-0f5f758cdc36" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_5d7f9a10-16dd-4151-a541-0f263b0215d3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_24fab2ff-22e3-4cf1-b6ae-0f5f758cdc36" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_lii_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedExcludingIntangibleAssetsNet_a7550468-44e7-4261-a18e-dacebd91bd7d" xlink:href="lii-20241231.xsd#lii_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedExcludingIntangibleAssetsNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_5d7f9a10-16dd-4151-a541-0f263b0215d3" xlink:to="loc_lii_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedExcludingIntangibleAssetsNet_a7550468-44e7-4261-a18e-dacebd91bd7d" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
