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United States securities and exchange commission logo





                             August 3, 2020

       Scott Asbjornson
       Chief Financial Officer
       AAON, Inc.
       2425 South Yukon Ave.
       Tulsa, OK 74107

                                                        Re: AAON, Inc.
                                                            Form 10-K for the
Year Ended December 31, 2019
                                                            Filed February 27,
2020
                                                            Response dated July
27, 2020
                                                            File No. 000-18953

       Dear Mr. Asbjornson:

              We have reviewed your July 27, 2020 response to our comment
letter and have the
       following comments. In some of our comments, we may ask you to provide
us with information
       so we may better understand your disclosure.

              Please respond to these comments within ten business days by
providing the requested
       information or advise us as soon as possible when you will respond. If
you do not believe our
       comments apply to your facts and circumstances, please tell us why in
your response.

                                                        After reviewing your
response to these comments, we may have additional comments.

       Form 10-K for the Fiscal Year Ended December 31, 2019

       Audited Financial Statements
       3. Summary of Significant Accounting Policies
       Revenue Recognition, page 41

   1.                                                   We note your response
to prior comment two. Please revise your future filings to clearly
                                                        explain, as you do in
your response letter, the types of performance obligations that are
                                                        contained within your
contracts with end users. Please also revise your disclosures to
                                                        clarify that you are
principal with respect to HVAC units. Refer to ASC 606-10-50-12
                                                        and 50-17.
   2.                                                   You indicate in your
response to prior comment two that Third Party Products are not
                                                        detailed out or perhaps
not even provided to the Company by the Representative. As
                                                        such, please
supplementally clarify for us what your performance obligations are, if any,
 Scott Asbjornson
AAON, Inc.
August 3, 2020
Page 2
         related to Third Party Products. Please explain to us what the
Representative's fee
         represents and tell us what costs are netted against revenues with
respect to Third Party
         Products. It may be helpful to provide us with an example to
demonstrate how you
         account for the different components that are billed to customers.
        You may contact Lisa Etheredge, Senior Staff Accountant, at (202)
551-3424 or Robert
S. Littlepage, Accounting Branch Chief, at (202) 551-3361 if you have
questions.



FirstName LastNameScott Asbjornson                             Sincerely,
Comapany NameAAON, Inc.
                                                               Division of
Corporation Finance
August 3, 2020 Page 2                                          Office of
Technology
FirstName LastName
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