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    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001378371</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
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    <issuerInfo>
      <issuerCik>0001069202</issuerCik>
      <issuerName>LENNOX INTERNATIONAL INC</issuerName>
      <secFileNumber>001-15149</secFileNumber>
      <issuerAddress>
        <com:street1>2140 LAKE PARK BLVD</com:street1>
        <com:city>RICHARDSON</com:city>
        <com:stateOrCountry>TX</com:stateOrCountry>
        <com:zipCode>75080</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>972-497-5000</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Young Douglas L</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Former Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem St</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>8587</noOfUnitsSold>
      <aggregateMarketValue>3208502.98</aggregateMarketValue>
      <noOfUnitsOutstanding>35514352</noOfUnitsOutstanding>
      <approxSaleDate>08/01/2023</approxSaleDate>
      <securitiesExchangeName>NYSE</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>08/01/2023</acquiredDate>
      <natureOfAcquisitionTransaction>SAR</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>8587</amountOfSecuritiesAcquired>
      <paymentDate>08/01/2023</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Douglas L. Young</name>
        <address>
          <com:street1>2140 LAKE PARK BLVD.</com:street1>
          <com:city>RICHARDSON</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>75080</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>07/28/2023</saleDate>
      <amountOfSecuritiesSold>51650</amountOfSecuritiesSold>
      <grossProceeds>18745771.17</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>08/01/2023</noticeDate>
      <signature>/s/ Rae Pierson, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact Douglas Young</signature>
    </noticeSignature>
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144
0001378371
XXXXXXXX
LIVE
0001069202
LENNOX INTERNATIONAL INC
001-15149
2140 LAKE PARK BLVD
RICHARDSON
TX
75080
972-497-5000
Young Douglas L
Former Officer
Common
Fidelity Brokerage Services LLC
900 Salem St
Smithfield
RI
02917
8587
3208502.98
35514352
08/01/2023
NYSE
Common
08/01/2023
SAR
Issuer
N
8587
08/01/2023
Compensation
N
Douglas L. Young
2140 LAKE PARK BLVD.
RICHARDSON
TX
75080
Common
07/28/2023
51650
18745771.17
08/01/2023
/s/ Rae Pierson, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact Douglas Young