This page may contain affiliate links. If you use a partner link, we may earn a referral commission at no extra cost to you. See our privacy policy.
Insulation & Weatherization Rebates & Incentives
Proper insulation and air sealing are among the most cost-effective home energy improvements. Federal tax credits cover insulation materials, and income-qualified households may receive substantial rebates through the Weatherization Assistance Program and new IRA-funded programs.
Federal programs for Insulation & Weatherization
25C Energy Efficient Home Improvement Credit
Up to $1,200 per year for insulation, air sealing materials, and home energy audits. Covers 30% of material and installation costs.
Eligibility: Existing homes only. Insulation must meet IECC standards for your climate zone.
Weatherization Assistance Program (WAP)
Free weatherization services for income-qualifying households, including insulation, air sealing, and heating system repairs. Average value of $7,500 per home.
Eligibility: Household income at or below 200% of the federal poverty level, or receiving certain government assistance (SNAP, SSI, TANF).
HOMES / HEAR Rebates (IRA §50121–50122)
Up to $1,600 in rebates for insulation and air sealing through state-administered programs.
Eligibility: Low- and moderate-income households. Check your state energy office for program availability.
Find local Insulation & Weatherization rebates
Enter your ZIP code to discover state, utility, and local rebates available in your area.
Frequently asked questions
What insulation qualifies for the tax credit?
Attic insulation, wall insulation, floor insulation, air sealing materials, and weatherstripping that meet IECC prescriptive criteria all qualify.
Can I do the insulation work myself and still claim the credit?
Yes, for the 25C tax credit. The credit covers the cost of materials even for DIY installation. However, most utility and state rebate programs require professional installation.
How much can weatherization save on energy bills?
The Department of Energy estimates that weatherization reduces heating bills by an average of 30% and overall energy costs by an average of $372 per year.
Recommended partners
We may earn a commission when you use one of our partner links. This helps support the site at no extra cost to you.