Energy Efficient Home Improvement Credit (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).
Federal tax credit of 30% of costs up to $3,200 annually for energy-efficient home improvements. Includes $1,200 limit for most items (windows $600, doors $500) plus separate $2,000 limit for heat pumps and biomass stoves. Resets annually with no lifetime cap.
$1,200 general + $2,000 heat pump = $3,200 max per year
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 Philadelphia, PA; confirm separately whether they can coordinate:
Key Details
- 30% tax credit up to $3,200 per year
- Up to $2,000 for heat pumps and biomass stoves
- $600 for windows, $500 for doors, $150 for energy audit
- Resets annually -- claim every year through 2025
- Requires qualified manufacturer ID number in 2025
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 Philadelphia.
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
- 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).
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 Philadelphia, PA
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