Insulation & Weatherization Rebates by State - 2026 Guide
Insulation and weatherization improvements are among the most cost-effective energy upgrades. Federal rebates up to $1,600 for income-qualified households plus 30% tax credits for all homeowners.
Federal Insulation & Weatherization Programs
Tax credit for insulation, air sealing, and weatherization materials and installation.
Learn more →Free weatherization services for low-income households.
Learn more →Top States for Insulation & Weatherization Rebates
States with the most insulation & weatherization incentive programs
| # | State | Programs | Code |
|---|---|---|---|
| 1 | Florida | 5 | FL |
| 2 | Kansas | 5 | KS |
| 3 | Massachusetts | 5 | MA |
| 4 | California | 4 | CA |
| 5 | Idaho | 4 | ID |
| 6 | Maine | 4 | ME |
| 7 | New Jersey | 4 | NJ |
| 8 | New York | 4 | NY |
| 9 | Oregon | 4 | OR |
| 10 | Texas | 4 | TX |
Insulation & Weatherization Rebates by State
Select your state to see available insulation & weatherization programs
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Frequently Asked Questions
Attic insulation, wall insulation, crawl space insulation, air sealing, duct sealing, and weather stripping all qualify. Both materials and professional installation costs are eligible.
Yes, WAP provides free weatherization services to qualifying low-income households. The program covers materials, labor, and a comprehensive energy audit at no cost to the homeowner.
Proper insulation and air sealing can reduce heating and cooling costs by 15-25%. The average household saves $200-$600 per year, with the improvement paying for itself in 2-5 years.
Yes, the 25C tax credit covers materials even for DIY installation. However, some utility rebates require professional installation. Keep all material receipts for tax filing.
An energy audit is recommended but not always required. Many utilities offer free audits that identify the most impactful improvements. The IRA also provides a $150 tax credit for energy audits.