content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001757894</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000824142</issuerCik>
        <issuerName>AAON, INC.</issuerName>
        <secFileNumber>000-18953</secFileNumber>
        <issuerAddress>
          <com:street1>2425 SOUTH YUKON AVE.</com:street1>
          <com:city>TULSA</com:city>
          <com:stateOrCountry>OK</com:stateOrCountry>
          <com:zipCode>74107</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>9185832266</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Wakefield Stephen E</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>24655</noOfUnitsSold>
        <aggregateMarketValue>1993721.45</aggregateMarketValue>
        <noOfUnitsOutstanding>81581679</noOfUnitsOutstanding>
        <approxSaleDate>03/13/2024</approxSaleDate>
        <securitiesExchangeName>NASDAQ</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/13/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Option Granted - 03/11/2020</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>12696</amountOfSecuritiesAcquired>
        <paymentDate>03/13/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/13/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Option Granted - 03/11/2021</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>7820</amountOfSecuritiesAcquired>
        <paymentDate>03/13/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/13/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Option Granted - 03/15/2022</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>2646</amountOfSecuritiesAcquired>
        <paymentDate>03/13/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>03/13/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Option Granted - 03/06/2023</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1493</amountOfSecuritiesAcquired>
        <paymentDate>03/13/2024</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Stephen Wakefield</name>
          <address>
            <com:street1>2425 South Yukon Ave.</com:street1>
            <com:city>Tulsa</com:city>
            <com:stateOrCountry>OK</com:stateOrCountry>
            <com:zipCode>74107</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>12/14/2023</saleDate>
        <amountOfSecuritiesSold>76000</amountOfSecuritiesSold>
        <grossProceeds>5343266.57</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Stephen Wakefield</name>
          <address>
            <com:street1>2425 South Yukon Ave.</com:street1>
            <com:city>Tulsa</com:city>
            <com:stateOrCountry>OK</com:stateOrCountry>
            <com:zipCode>74107</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>12/15/2023</saleDate>
        <amountOfSecuritiesSold>30000</amountOfSecuritiesSold>
        <grossProceeds>2156250.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Stephen Wakefield</name>
          <address>
            <com:street1>2425 South Yukon Ave.</com:street1>
            <com:city>Tulsa</com:city>
            <com:stateOrCountry>OK</com:stateOrCountry>
            <com:zipCode>74107</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>12/19/2023</saleDate>
        <amountOfSecuritiesSold>18064</amountOfSecuritiesSold>
        <grossProceeds>1305891.41</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Stephen Wakefield</name>
          <address>
            <com:street1>2425 South Yukon Ave.</com:street1>
            <com:city>Tulsa</com:city>
            <com:stateOrCountry>OK</com:stateOrCountry>
            <com:zipCode>74107</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>12/20/2023</saleDate>
        <amountOfSecuritiesSold>41936</amountOfSecuritiesSold>
        <grossProceeds>3051626.94</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Stephen Wakefield</name>
          <address>
            <com:street1>2425 South Yukon Ave.</com:street1>
            <com:city>Tulsa</com:city>
            <com:stateOrCountry>OK</com:stateOrCountry>
            <com:zipCode>74107</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>12/26/2023</saleDate>
        <amountOfSecuritiesSold>15000</amountOfSecuritiesSold>
        <grossProceeds>1110000.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Stephen Wakefield</name>
          <address>
            <com:street1>2425 South Yukon Ave.</com:street1>
            <com:city>Tulsa</com:city>
            <com:stateOrCountry>OK</com:stateOrCountry>
            <com:zipCode>74107</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>12/27/2023</saleDate>
        <amountOfSecuritiesSold>15000</amountOfSecuritiesSold>
        <grossProceeds>1125000.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>03/13/2024</noticeDate>
        <signature>/s/ Emily Navaro, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for  Stephen Wakefield.</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 7953}]
text: 144
  0001757894
  XXXXXXXX
  LIVE
  0000824142
  AAON, INC.
  000-18953
  2425 SOUTH YUKON AVE.
  TULSA
  OK
  74107
  9185832266
  Wakefield Stephen E
  Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  24655
  1993721.45
  81581679
  03/13/2024
  NASDAQ
  Common
  03/13/2024
  Option Granted - 03/11/2020
  Issuer
  N
  12696
  03/13/2024
  Cash
  Common
  03/13/2024
  Option Granted - 03/11/2021
  Issuer
  N
  7820
  03/13/2024
  Cash
  Common
  03/13/2024
  Option Granted - 03/15/2022
  Issuer
  N
  2646
  03/13/2024
  Cash
  Common
  03/13/2024
  Option Granted - 03/06/2023
  Issuer
  N
  1493
  03/13/2024
  Cash
  N
  Stephen Wakefield
  2425 South Yukon Ave.
  Tulsa
  OK
  74107
  Common
  12/14/2023
  76000
  5343266.57
  Stephen Wakefield
  2425 South Yukon Ave.
  Tulsa
  OK
  74107
  Common
  12/15/2023
  30000
  2156250.00
  Stephen Wakefield
  2425 South Yukon Ave.
  Tulsa
  OK
  74107
  Common
  12/19/2023
  18064
  1305891.41
  Stephen Wakefield
  2425 South Yukon Ave.
  Tulsa
  OK
  74107
  Common
  12/20/2023
  41936
  3051626.94
  Stephen Wakefield
  2425 South Yukon Ave.
  Tulsa
  OK
  74107
  Common
  12/26/2023
  15000
  1110000.00
  Stephen Wakefield
  2425 South Yukon Ave.
  Tulsa
  OK
  74107
  Common
  12/27/2023
  15000
  1125000.00
  03/13/2024
  /s/ Emily Navaro, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for  Stephen Wakefield.