New Energy Efficient Home Tax Credit (§45L)
Maximize Your Energy Efficiency Tax Benefits

At HVAC Design Partners, we specialize in providing comprehensive services to help eligible developers claim the §45L Energy Efficient Home Credit. Established by the Energy Policy Act of 2005, this tax credit allows both single-family homebuilders and multifamily developers to benefit from each eligible dwelling unit. We are well-versed in the requirements and benefits of the §45L Credit, and our team is here to support you every step of the way.

Requirements and Benefits by Home Type:

Single Family Homes:

$2,500 tax credit for ENERGY STAR-certified single-family homes (Version 3.1 before January 1, 2025, and Version 3.2 thereafter).
$5,000 tax credit for DOE Zero Energy Ready Homes (ZERH).

Manufactured Homes:

$2,500 tax credit for ENERGY STAR-certified manufactured homes.
$5,000 tax credit for DOE Zero Energy Ready Homes (ZERH).

Multifamily Homes:

$500 tax credit for ENERGY STAR-certified multifamily homes constructed after 2020. The credit increases to $2,500 when constructed with prevailing wage.
$1,000 tax credit for DOE Zero Energy Ready Homes. The credit increases to $5,000 when constructed with prevailing wage.


Beginning in 2023, all residential new construction buildings, including low-rise, mid-rise, and high-rise structures, are eligible for the tax credit.

How We Can Help:

Our dedicated §45L Credit team comprises HERS/Energy Star Raters and Energy Modelers who will perform free assessments to prequalify your homes. Our comprehensive study includes:

  • Reviewing construction documents.
  • Conducting interviews with design professionals, project managers, and relevant personnel.
  • Performing necessary testing and inspections.
  • Utilizing IRS-approved software to model energy efficiency.
  • Preparing certificates of compliance, signed under penalties of perjury by a HERS rater.

By partnering with us, you can maximize your energy efficiency tax benefits and ensure compliance with the §45L Energy Efficient Home Credit. Contact HVAC Design Partners today to take advantage of our expertise and start optimizing your tax credits.

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