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Thermal Windows, Inc, Windows, Tulsa, OK
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Tax Credits for Energy Efficient
Windows and Doors


UPDATED FEBRUARY 2020: The Residential Window and Door Tax Credits have been retroactively extended from 12/31/2017 through 12/31/2020.


  • Tax Credit: 10% of cost up to $500 for doors, $200 for windows
  • Tax credit does not include installation costs
  • Products must be ENERGY STAR certified
  • Must be an existing home and your principal residence
  • New construction and rentals do not apply
  • Expires: December 31, 2020

How Do I Apply for the Tax Credit?


The tax credits are administered by the IRS. Claim the credit by using form 5695 and submitting it with your tax returns to the IRS.



More information is available from the federal government here.




Download our Manufacturer's Certification and list of qualifying products


Download Therma-Tru Doors Manufacturer's Certification


Download Therma-Tru's list of qualified products (2.2meg pdf)





Energy Star determines whether products qualify for tax credits. The Energy Star zone map and criteria are shown below.


Energy Star Zone Map

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(This page last updated 2/18/2020)

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