California insulation & spray foam rebates (2026)
Last checked October 16, 2026.
Federal tax credit (25C): ended
Insulation installed in California after December 31, 2025 does not qualify for the federal Energy Efficient Home Improvement Credit. IRS.
California Home Energy Rebate program
Limited, paused, or fully reserved HEEHRA
Electrification/appliance rebates (HEAR): "As of February 24, 2026, HEEHRA rebates for single-family home retrofits are fully reserved statewide. All reservation requests that have not been approved have been put on a waitlist in case budget becomes available again. No new income verification requests are being accepted at this time."
Whole-home efficiency rebates (HOMES/HER): "HOMES rebates are not yet available."
Max rebate (per official page): Single-family households may qualify for a rebate up to $8,000 and multifamily properties may qualify for rebates up to $14,000.
Official source: California Energy Commission (CEC) (page says: As of February 24, 2026). Status text compiled via referencesource.org, last checked by them August 25, 2026.
Utility rebates
We haven't verified utility insulation rebates in California. Try ENERGY STAR's rebate finder or DSIRE.