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  <xsd:element abstract="true" id="lii_A2012EmployeeStockPurchasePlanMember" name="A2012EmployeeStockPurchasePlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_AcceleratedShareRepurchasesInitialPricePaid" name="AcceleratedShareRepurchasesInitialPricePaid" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_AcceleratedShareRepurchasesNumber" name="AcceleratedShareRepurchasesNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_AcceleratedShareRepurchasesPercentagesofSharestobeRepurchased" name="AcceleratedShareRepurchasesPercentagesofSharestobeRepurchased" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_AccountingStandardsUpdate201802Member" name="AccountingStandardsUpdate201802Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesProvisionBenefitForTax" name="AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesProvisionBenefitForTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lii_AmountAvailableUnderAssetSecuritization" name="AmountAvailableUnderAssetSecuritization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lii_AreaOfLeasedOfficeBuilding" name="AreaOfLeasedOfficeBuilding" nillable="true" substitutionGroup="xbrli:item" type="num:areaItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_AssetSecuritizationBorrowingCapacity" name="AssetSecuritizationBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lii_AssetSecuritizationMember" name="AssetSecuritizationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_AssumedHealthCareCostTrendRates" name="AssumedHealthCareCostTrendRates" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_AustraliaNewZealandandAsiaBusinessesMember" name="AustraliaNewZealandandAsiaBusinessesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_AverageFloatingCommercialPaperRate" name="AverageFloatingCommercialPaperRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="lii_BeneficialInterestSold" name="BeneficialInterestSold" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lii_BlendDomain" name="BlendDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_BrazilBusinessMember" name="BrazilBusinessMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_CapitalExpenditures" name="CapitalExpenditures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_CashPaidDuringPeriodForAbstract" name="CashPaidDuringPeriodForAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_CommercialHeatingAndCoolingMember" name="CommercialHeatingAndCoolingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_CommingledPoolsCollectiveTrustsMember" name="CommingledPoolsCollectiveTrustsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_ContractorTaxPayments" name="ContractorTaxPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_ContractwithCustomerAssetCumulativeCatchupAdjustmenttoRevenueChangeinMeasureofProgressPercent" name="ContractwithCustomerAssetCumulativeCatchupAdjustmenttoRevenueChangeinMeasureofProgressPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_ContractwithCustomerAssetLiabilityChangeinTimeframePerformanceObligationSatisfiedRevenueRecognized" name="ContractwithCustomerAssetLiabilityChangeinTimeframePerformanceObligationSatisfiedRevenueRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_ContractwithCustomerAssetLiabilityNet" name="ContractwithCustomerAssetLiabilityNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lii_ContractwithCustomerLiabilityCurrentNetChangeinTimeframePerformanceObligationSatisfiedRevenueRecognized" name="ContractwithCustomerLiabilityCurrentNetChangeinTimeframePerformanceObligationSatisfiedRevenueRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_ContractwithCustomerLiabilityCurrentNetChangeinTimeframePerformanceObligationSatisfiedRevenueRecognizedPercent" name="ContractwithCustomerLiabilityCurrentNetChangeinTimeframePerformanceObligationSatisfiedRevenueRecognizedPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_ContractwithCustomerLiabilityNoncurrentNetChangeinTimeframePerformanceObligationSatisfiedRevenueRecognized" name="ContractwithCustomerLiabilityNoncurrentNetChangeinTimeframePerformanceObligationSatisfiedRevenueRecognized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_ContractwithCustomerLiabilityNoncurrentNetChangeinTimeframePerformanceObligationSatisfiedRevenueRecognizedPercent" name="ContractwithCustomerLiabilityNoncurrentNetChangeinTimeframePerformanceObligationSatisfiedRevenueRecognizedPercent" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_DebtInstrumentCashFlowToNetInterestExpenseRatio" name="DebtInstrumentCashFlowToNetInterestExpenseRatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_DebtInstrumentCrossDefaultProvisionMaximumTermifAccelerationisnotRescinded" name="DebtInstrumentCrossDefaultProvisionMaximumTermifAccelerationisnotRescinded" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_DebtInstrumentIndebtednessToAdjustedEBITDARatio" name="DebtInstrumentIndebtednessToAdjustedEBITDARatio" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_DebtinstrumentCovenantfordebtnotpaid" name="DebtinstrumentCovenantfordebtnotpaid" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lii_DeferredTaxAssetsCapitalLossCarryforwardsDomesticValuationAllowance" name="DeferredTaxAssetsCapitalLossCarryforwardsDomesticValuationAllowance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lii_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeTax" name="DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lii_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRateInterestCost" name="DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRateInterestCost" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRateServiceCost" name="DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRateServiceCost" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_DefinedBenefitPlanByPlanAssetCategoriesValuationAxis" name="DefinedBenefitPlanByPlanAssetCategoriesValuationAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_DefinedBenefitPlanByPlanAssetCategoriesValuationDomain" name="DefinedBenefitPlanByPlanAssetCategoriesValuationDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_DefinedBenefitPlanByPlanAssetMajorGroupCategoriesAxis" name="DefinedBenefitPlanByPlanAssetMajorGroupCategoriesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_DefinedBenefitPlanByPlanAssetMajorGroupCategoriesDomain" name="DefinedBenefitPlanByPlanAssetMajorGroupCategoriesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_DefinedBenefitPlanChangeInFairValueOfPlanAssetsAbstract" name="DefinedBenefitPlanChangeInFairValueOfPlanAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_DefinedBenefitPlansAdjustmentsRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss" name="DefinedBenefitPlansAdjustmentsRecognizedInNetPeriodicBenefitCostAndOtherComprehensiveIncomeLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_DisposalGroupIncludingDiscontinuedOperationAOCIReclassificationAdjustment" name="DisposalGroupIncludingDiscontinuedOperationAOCIReclassificationAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_DisposalGroupIncludingDiscontinuedOperationAssetSoldNet" name="DisposalGroupIncludingDiscontinuedOperationAssetSoldNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_DisposalGroupIncludingDiscontinuedOperationGainLoss" name="DisposalGroupIncludingDiscontinuedOperationGainLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_DisposalGroupIncludingDiscontinuedOperationSellingExpenses" name="DisposalGroupIncludingDiscontinuedOperationSellingExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_DomesticCreditFacilityMember" name="DomesticCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_EligibleAmountAvailableUnderAssetSecuritization" name="EligibleAmountAvailableUnderAssetSecuritization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lii_EligibleAmountsAvailableAndBeneficialInterestsSoldAbstract" name="EligibleAmountsAvailableAndBeneficialInterestsSoldAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_EligibleAmountsAvailableAndBeneficialInterestsSoldTableTextBlock" name="EligibleAmountsAvailableAndBeneficialInterestsSoldTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_EmployeeStockPurchasePlanESPPOfferingPeriod" name="EmployeeStockPurchasePlanESPPOfferingPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_EquipmentSalesMember" name="EquipmentSalesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_EquitySecuritiesDomesticMember" name="EquitySecuritiesDomesticMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_EquitySecuritiesForeignMember" name="EquitySecuritiesForeignMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_ExercisePriceRange1Member" name="ExercisePriceRange1Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_ExercisePriceRange2Member" name="ExercisePriceRange2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_ExercisePriceRange3Member" name="ExercisePriceRange3Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_Factoryinefficiencies" name="Factoryinefficiencies" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareTableAbstract" name="FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareTableAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_FinancialCovenantsLeverageAndInterestCoverageTableTextBlock" name="FinancialCovenantsLeverageAndInterestCoverageTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_FixedIncomeMoneyMarketCashandGuaranteedInvestmentContractsMember" name="FixedIncomeMoneyMarketCashandGuaranteedInvestmentContractsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_FixedRateOfAgreement" name="FixedRateOfAgreement" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_GainLossonDispositionofBusinessandRelatedProperty" name="GainLossonDispositionofBusinessandRelatedProperty" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_GainsfromInsurancerecoveries" name="GainsfromInsurancerecoveries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_Insuranceproceedsforlostprofits" name="Insuranceproceedsforlostprofits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_InternationalEquitySecuritiesMember" name="InternationalEquitySecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_InternationalMember" name="InternationalMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_LiabilityforAsbestosandEnvironmentalClaimsNetExpense" name="LiabilityforAsbestosandEnvironmentalClaimsNetExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_LineOfCreditFacilityAdditionalMaximumBorrowingCapacity" name="LineOfCreditFacilityAdditionalMaximumBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lii_LossContingencyAllegedUnauthorizedPayment" name="LossContingencyAllegedUnauthorizedPayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lii_LossesGainsAndOtherExpensesNetAbstract" name="LossesGainsAndOtherExpensesNetAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_LossgainfromnaturaldisasternetofInsurancerecoveries" name="LossgainfromnaturaldisasternetofInsurancerecoveries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_MaximumProductWarranties" name="MaximumProductWarranties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_MaximumSecuritizationAsPercentageOfNetPoolBalance" name="MaximumSecuritizationAsPercentageOfNetPoolBalance" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lii_MilperraPropertyMember" name="MilperraPropertyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_MinimumAmountOfPrincipalOrInterestDueOnIndebtednessOrReceivableSecuritization" name="MinimumAmountOfPrincipalOrInterestDueOnIndebtednessOrReceivableSecuritization" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_MinimumPercentageOfConsolidatedNetSalesFromSingleCustomer" name="MinimumPercentageOfConsolidatedNetSalesFromSingleCustomer" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_MinimumProductWarranties" name="MinimumProductWarranties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_MoneyMarketFundsAndGuaranteedInvestmentsContractMember" name="MoneyMarketFundsAndGuaranteedInvestmentsContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_NavMember" name="NavMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_NumberofJointVentures" name="NumberofJointVentures" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="lii_OperatingLeaseTerm" name="OperatingLeaseTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_PayoutPercentage" name="PayoutPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_PayoutPercentagePotentialIncrease" name="PayoutPercentagePotentialIncrease" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_PensionFundMember" name="PensionFundMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_PensionFundsMember" name="PensionFundsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_PercentageOfFairValueOfPlanAssetsByPensionPlans" name="PercentageOfFairValueOfPlanAssetsByPensionPlans" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_PercentageOfFairValueOfPlanAssetsHeld" name="PercentageOfFairValueOfPlanAssetsHeld" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_PercentageOfLeaseBalanceAsFinalPaymentEndOfLeaseTerm" name="PercentageOfLeaseBalanceAsFinalPaymentEndOfLeaseTerm" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="lii_PercentageOfMaximumAvailableAmountUsedToChargeUnusedFee" name="PercentageOfMaximumAvailableAmountUsedToChargeUnusedFee" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_PercentageOfMedicalCoverageCostPayableByParticipants" name="PercentageOfMedicalCoverageCostPayableByParticipants" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_PercentageOfProjectedBenefitObligationByPensionPlans" name="PercentageOfProjectedBenefitObligationByPensionPlans" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_ProgramFee" name="ProgramFee" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_PurchasePriceOfPropertyAtEndOfLeaseTerm" name="PurchasePriceOfPropertyAtEndOfLeaseTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="lii_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxRollForward" name="ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTaxRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_RefrigerationMember" name="RefrigerationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_Reservebalanceobsoleteandslowmovinginventories" name="Reservebalanceobsoleteandslowmovinginventories" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_ResidentialHeatingAndCoolingMember" name="ResidentialHeatingAndCoolingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_ResidentialMember" name="ResidentialMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_RevenueFromTransactionsWithMajorCustomers" name="RevenueFromTransactionsWithMajorCustomers" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_ScheduleOfDefinedBenefitPlanAccumulatedOtherComprehensiveIncomeAndAmountsRecognizedInOtherComprehensiveIncomeTableAbstract" name="ScheduleOfDefinedBenefitPlanAccumulatedOtherComprehensiveIncomeAndAmountsRecognizedInOtherComprehensiveIncomeTableAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_ScheduleOfFairValueOfPerformanceShareUnitsAndRelatedTaxDeductionsTableTextBlock" name="ScheduleOfFairValueOfPerformanceShareUnitsAndRelatedTaxDeductionsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_ScheduleOfFairValueOfRestrictedStockUnitsAndRelatedTaxDeductionsTableTextBlock" name="ScheduleOfFairValueOfRestrictedStockUnitsAndRelatedTaxDeductionsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_ScheduleOfIntrinsicValueAndTaxBenefitsRelatedToStockAppreciationRightsTableTextBlock" name="ScheduleOfIntrinsicValueAndTaxBenefitsRelatedToStockAppreciationRightsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_ScheduleOfShareBasedCompensationSharesAuthorizedUnderEquityInstrumentOtherThanOptionPlansByExercisePriceRangeTableTextBlock" name="ScheduleOfShareBasedCompensationSharesAuthorizedUnderEquityInstrumentOtherThanOptionPlansByExercisePriceRangeTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SegmentProfitAndLoss" name="SegmentProfitAndLoss" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_SegmentReportingInformationProductAndServicesMarketServedByGeographicalAreaTableAbstract" name="SegmentReportingInformationProductAndServicesMarketServedByGeographicalAreaTableAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount" name="SegmentReportingReconcilingItemInLossesAndOtherExpensesFromSegmentToConsolidatedAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodIntrinsicValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExercisesInPeriodIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitureRate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitureRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsExercisableIntrinsicValue" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsExercisableIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lii_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsExercisableNumber" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsExercisableNumber" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="lii_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsExercisableWeightedAverageExercisePrice" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsExercisableWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="lii_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsGrantsinPeriodWeightedAverageExercisePrice" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsGrantsinPeriodWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsGrantsinPeriodWeightedAverageGrantDateFairValue" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsGrantsinPeriodWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsOutstandingIntrinsicValue" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsOutstandingIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="lii_SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice" name="SharebasedCompensationArrangementbySharebasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="lii_SharebasedCompensationArrangementsbySharebasedPaymentAwardNonOptionEquityInstrumentsExercisesinPeriodWeightedAverageExercisePrice" name="SharebasedCompensationArrangementsbySharebasedPaymentAwardNonOptionEquityInstrumentsExercisesinPeriodWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SharebasedCompensationArrangementsbySharebasedPaymentAwardNonOptionEquityInstrumentsForfeituresinPeriodWeightedAverageExercisePrice" name="SharebasedCompensationArrangementsbySharebasedPaymentAwardNonOptionEquityInstrumentsForfeituresinPeriodWeightedAverageExercisePrice" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SharebasedCompensationSharesAuthorizedunderNonOptionEquityInstrumentPlansExercisePriceRangeLowerRangeLimit" name="SharebasedCompensationSharesAuthorizedunderNonOptionEquityInstrumentPlansExercisePriceRangeLowerRangeLimit" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SharebasedCompensationSharesAuthorizedunderNonOptionEquityInstrumentPlansExercisePriceRangeUpperRangeLimit" name="SharebasedCompensationSharesAuthorizedunderNonOptionEquityInstrumentPlansExercisePriceRangeUpperRangeLimit" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SharebasedCompensationSharesAuthorizedunderStockOptionPlansExercisePriceRangeExercisableNonOptionEquityInstrumentsWeightedAverageRemainingContractualTerm" name="SharebasedCompensationSharesAuthorizedunderStockOptionPlansExercisePriceRangeExercisableNonOptionEquityInstrumentsWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SharebasedCompensationSharesAuthorizedunderStockOptionPlansExercisePriceRangeOutstandingNonOptionEquityInstrumentsWeightedAverageRemainingContractualTerm" name="SharebasedCompensationSharesAuthorizedunderStockOptionPlansExercisePriceRangeOutstandingNonOptionEquityInstrumentsWeightedAverageRemainingContractualTerm" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_Sitecleanupandremediation" name="Sitecleanupandremediation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_SpecialProductQualityAdjustment" name="SpecialProductQualityAdjustment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_Specialinventorywritedown" name="Specialinventorywritedown" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_StandardandExtendedProductWarrantyAccrualDivestitureofBusinesses" name="StandardandExtendedProductWarrantyAccrualDivestitureofBusinesses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_SubfacilityforSwinglineLoansMember" name="SubfacilityforSwinglineLoansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_SummaryOfTargetAllocationPercentageOfAssetsTableTextBlock" name="SummaryOfTargetAllocationPercentageOfAssetsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="lii_SupplementalInformationAbstract" name="SupplementalInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense" name="TaxCutsAndJobsActOf2017IncompleteAccountingChangeInTaxRateDeferredTaxAssetProvisionalIncomeTaxExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_TaxCutsandJobsActof2017ChangeinTaxRateDeferredTaxAssetIncomeTaxExpense" name="TaxCutsandJobsActof2017ChangeinTaxRateDeferredTaxAssetIncomeTaxExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_TaxCutsandJobsActof2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit" name="TaxCutsandJobsActof2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="lii_TaxCutsandJobsActof2017TransitionTaxforAccumulatedForeignEarningsLiability" name="TaxCutsandJobsActof2017TransitionTaxforAccumulatedForeignEarningsLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="lii_Totalexpenseduetonaturaldisaster" name="Totalexpenseduetonaturaldisaster" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_USEquitySecuritiesMember" name="USEquitySecuritiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_UndistributedAndUnvestedPerformanceShareUnits" name="UndistributedAndUnvestedPerformanceShareUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="lii_UndistributedAndUnvestedPerformanceShareUnitsWeightedAverageGrantDateFairValue" name="UndistributedAndUnvestedPerformanceShareUnitsWeightedAverageGrantDateFairValue" nillable="true" substitutionGroup="xbrli:item" type="num:perShareItemType" xbrli:periodType="instant" />
  <xsd:element id="lii_UndistributedAndVestedPerformanceShareUnits" name="UndistributedAndVestedPerformanceShareUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="lii_UnitedKingdomPensionPlansMember" name="UnitedKingdomPensionPlansMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_WeightedAverageBorrowingRateFacilityTableTextBlock" name="WeightedAverageBorrowingRateFacilityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_WeightedAverageMaturityPeriod" name="WeightedAverageMaturityPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:durationItemType" xbrli:periodType="duration" />
  <xsd:element id="lii_Writeoffofinventory" name="Writeoffofinventory" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="lii_Writeoffofpropertyplantandequipment" name="Writeoffofpropertyplantandequipment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
</xsd:schema>
