Cost guide
Window Tax Credits in 2026: What Changed (And What Savings Are Left)
If you've read that new windows come with a federal tax credit "through 2032," you're reading an outdated article — and there are a lot of them. Here's the accurate 2026 picture.
The big change: the federal credit is gone
The Energy Efficient Home Improvement Credit (Section 25C) — which gave homeowners 30% back on qualifying windows, capped at $600 per year — expired on December 31, 2025. Congress accelerated its end date in 2025 legislation, years ahead of the original 2032 schedule.
What this means in practice:
- Windows installed in 2026 or later: no federal tax credit.
- Windows installed and placed in service by December 31, 2025: you can still claim the credit on your 2025 tax return (the one filed in 2026). Keep your receipts and the manufacturer's certification.
- If a salesperson quotes you a federal tax credit on a new 2026 installation, they're working from old information. Verify anything tax-related on IRS.gov before it factors into your budget.
What savings still exist in 2026
The federal credit was never the only game. Three layers remain very much alive:
1. Utility rebates. Many electric and gas utilities pay rebates for efficiency upgrades — including windows — because reducing demand is cheaper for them than building capacity. Programs vary wildly by utility: some pay per window, some pay for measured performance. Search "[your utility name] energy rebates" or call them directly. These programs open and close through the year, so check before you sign a contract.
2. State and local programs. Several states run their own efficiency incentives, some funded through federal Home Energy Rebates money that's still flowing at the state level. Your state energy office website is the authoritative source.
3. Manufacturer and seasonal promotions. With the federal credit gone, expect window brands and dealers to lean harder on their own discounts — especially in the slow November–February season, when 10–20% promotions are common.
Does losing the credit change the math?
Less than you'd think. The federal credit was capped at $600 per year total for windows — real money, but a small slice of a $4,000–$10,000 project. The bigger levers were always the same: material choice, timing your purchase to the off-season, and comparing 3–4 quotes (which routinely differ by thousands for identical work). Those levers all still work.
Frequently asked questions
Start with your real number
Before hunting rebates, know your baseline. Our free calculator estimates your project cost by ZIP code, window count, and type in about 60 seconds — no email, no phone
Calculate my window replacement cost →WindowQuoteGuide is an independent cost-information resource, not a tax advisor — confirm credit and rebate eligibility with a tax professional or IRS.gov. Estimates are based on published national and regional installation averages. If you request quotes through our site, we may receive compensation from partner networks — this never affects the price you pay.
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