Energy Efficient Home Improvement Credit (Section 25C)
Internal Revenue Service
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 credit provided 30% of costs up to $1,200 per year for insulation, windows, doors, and efficient HVAC, plus a separate $2,000 annual limit for heat pumps and biomass stoves. Maximum combined annual credit of $3,200. This credit has now expired for new installations after 2025.
Expired for 2026; still claimable for 2025 improvements on 2025 tax return
The cited program-specific URL responded on 2026-07-21; confirm current terms.
Record set last reviewed 2026-04-03. How we verify our data.
This is a national program. You can also review these local programs in Chicago, IL; confirm separately whether they can coordinate:
Key Details
- 30% credit up to $3,200/year
- EXPIRED for new installations after Dec 31, 2025
- Still claimable for 2025 improvements
- Covered insulation, windows, doors, heat pumps
- File IRS Form 5695 with tax return
How to Apply
Some programs require contractor estimates, licenses, or inspections. A cited link may be general, so confirm the current rules with the administrator before hiring; a directory match does not guarantee contractor eligibility or funding.
You may need a contractor or estimate
Some programs for this project type ask for a license, inspection, or written estimate. Confirm the rule before contacting a contractor in Chicago.
Get matched with a contractorEach administrator sets its contractor rules. Confirm exact requirements directly; the cited URL may be a general agency page.
Your application paperwork
Documents you will likely need
- 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).
- Photos of the problem area or the work to be done.
- The program's own application form, completed (use the official link or phone number on this page).
Requirements vary by program and locality. Confirm the exact rules and application route with the administrator. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Ended December 31, 2025 (federal law change)
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More ways to save on this project
Rebates and discounts that may reduce project cost. Confirm eligibility and coordination rules before including one in your budget.
Find More Programs in Chicago, IL
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