Washington insulation & spray foam rebates (2026)
Last checked October 16, 2026.
Federal tax credit (25C): ended
Insulation installed in Washington after December 31, 2025 does not qualify for the federal Energy Efficient Home Improvement Credit. IRS.
Washington Home Energy Rebate program
Limited, paused, or fully reserved Inflation Reduction Act Home Energy Rebates
Electrification/appliance rebates (HEAR): "The Department of Energy released updates to the program guidelines (program notices 26-1 and 26-2) on June 1. We’re evaluating how these changes affect the program and are working with our rebate administrator to determine next steps."
Whole-home efficiency rebates (HOMES/HER): "The Department of Energy released updates to the program guidelines (program notices 26-1 and 26-2) on June 1. We’re evaluating how these changes affect the program and are working with our rebate administrator to determine next steps."
Official source: Washington State Department of Commerce (page says: June 15, 2026). Status text compiled via referencesource.org, last checked by them August 25, 2026.
Utility rebates
We haven't verified utility insulation rebates in Washington. Try ENERGY STAR's rebate finder or DSIRE.