Energy Efficient Home Improvement Credit (25C), Federal Tax Credit

IRS / U.S. Department of the Treasury

Closed Home Repair

About This Program

Note: Congress ended this federal tax credit for installations after December 31, 2025. Projects placed in service by that date can still be claimed on your 2025 federal return (IRS Form 5695).

The Section 25C Energy Efficient Home Improvement Credit provides a 30% federal tax credit (up to $3,200/year) for qualifying upgrades including heat pumps ($2,000 sub-limit), insulation, windows ($600 sub-limit), doors ($500 sub-limit), and energy audits ($150). The credit resets each year, and 2025 is the final year to claim it before expiration.

Annual max $3,200; $2,000 for heat pumps/biomass; $1,200 for all other items

Official program page checked live on 2026-06-22.

Data last verified 2026-04-03. How we verify our data.

In San Antonio, TX, you can combine this program with other local help to cut your cost:

Key Details

  • 30% tax credit annually, up to $3,200/year total
  • Heat pumps, biomass stoves: up to $2,000/year
  • Insulation, windows ($600), doors ($500), audit ($150): up to $1,200/year
  • Resets each year, can claim every year improvements are made
  • Expires December 31, 2025, claim on IRS Form 5695

How to Apply

Get free help applying Visit Official Program Page Track this program

A grant-savvy contractor in San Antonio, TX can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

You will likely need a contractor to apply

Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in San Antonio early keeps your application moving.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • Your federal tax return for the year of the work (this benefit is claimed on your taxes, not through a separate application).
  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Ended December 31, 2025 (federal law change)

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