The 45L Tax Credit Rewards You $2,000 for Every Energy Efficient Dwelling Unit You Build

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We are Pro Home Energy Raters now doing business as Florida Blower Door.

Have You Heard of the 45L Tax Credit?

BLOWER DOOR TESTS

Duct Leakage Tests & HERS Ratings​ for New Construction

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Serving Northeast Florida and Southeast Georgia

HOW MUCH IS THE 45L TAX CREDIT?  $2,000 per qualified single family, multi-family new home built and sold before 01/01/2022.

WHO CAN CLAIM THE 45L TAX CREDIT?  The builder/developer must own the land, build the dwelling and then sell or rent the dwelling to obtain the $2,000 tax credit.  Owner/builder occupied homes do not qualify.

HOW LONG DO I HAVE TO CLAIM THE 45L $2,000 TAX CREDIT?  Builders, developers, and homeowners can claim the $2,000 tax credit retroactively back three years, and use their credit for up to 20 years.

WHO IS THE 45L ELGIBLE CERTIFIER?  The HERS Rater who verifies the installed energy features per IRS Notice 2008-35.  
 

Every home permitted after July 1st, 2017 will require a BLOWER DOOR TEST to meet energy code. (Section 402.4.1.2 of the Florida Building Code, 5th Edition 2014 Energy Conservation) This includes SINGLE FAMILY HOMES, TOWN HOMES, DUPLEXES and each CONDOMINIUM and APARTMENT UNIT where the building is three stories or less. This testing must be done by an APPROVED independent third party contractor, or someone who was not involved in the construction of the house.​  


R402.4.1.2 Testing.The building or dwelling unit shall be tested and verified as having an air leakage rate of not exceeding 7 air changes per hour in Climate Zones 1 and 2, 3 air changes per hour in Climate Zones 3 through 8. Testing shall be conducted with a blower door at a pressure or 0.2 inches w.g. (50 Pascals). Testing shall be conducted by either individuals as defined in Section 553.993(5) or (7),F.S. or individuals licensed as set forth in Section 489.105(3)(f), (g), or (h) or an approved third party. A written report of the results of the test shall be signed by the party conducting the test and provided to the code official. Testing shall be performed at any time after creation of all penetrations of the building thermal envelope.

Florida Blower Door Test Envelope Leakage Test