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Maximize your 179D Deduction: Check if you qualify

We’ll help determine your eligibility, document your processes, and maximize your return for no upfront fees! Complete the form below to estimate your refund.

What is the 179D Tax Deduction and how does it work?

179D is a federal incentive intended to stimulate the U.S. economy by rewarding architecture, engineering, and contracting businesses with up to $1.80 per square foot for their work on government owned buildings. The deduction is allowed for both new construction and past projects going back to 2018.

The alliantgroup advantage

  • Risk-free, no-cost preliminary assessment.
  • Licensed engineers in all 50 states who are experienced in every aspect of the 179D deduction.
  • Cutting edge proprietary software interface that aligns with IRS energy modeling software.
  • Highly skilled team of energy modelers who specialize in the three qualifying building systems.
  • Well established relationships with 8000+ government entities.

Who can claim 179D tax deduction?​

Engineers, architects, designers who are responsible for energy-efficient designs or renovation of government building.

Contractors and builders who have increased the energy-efficiency of the government building under lighting, HVAC installations also qualify for the 179D tax deduction.

K-12 Schools
Military Bases
City Parks

A Guide on How You Can Claim the 179D Deduction

The Consolidated Appropriations Act of 2021 made the Section 179D Energy Efficient Building Deduction permanent and gives business owners and government contractors a tax incentive for energy-efficient improvements to commercial and government buildings.


Hear From Our Clients

Our specialty consulting team did an excellent job leading our study and made it as painless and simple for us as possible. It was not too time insensitive, and the benefits were well worth our while”

MEP Engineering Firm, AR.

We are very appreciative of the worthwhile tax savings alliantgroup helped secure for our company. They’re currently being reinvested into the business as a beneficial cash injection towards our growth goals.”

Architecture & Engineering Firm, ME.

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