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  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/SubsequentEvent" xlink:type="extended"/>
  <link:roleRef roleURI="http://www.lennoxinternational.com/role/SubsequentEventDetails" xlink:type="simple" xlink:href="lii-20200331.xsd#SubsequentEventDetails"/>
  <link:calculationLink xlink:role="http://www.lennoxinternational.com/role/SubsequentEventDetails" xlink:type="extended"/>
</link:linkbase>
