Connecticut insulation & spray foam rebates (2026)
Last checked October 16, 2026.
Federal tax credit (25C): ended
Insulation installed in Connecticut after December 31, 2025 does not qualify for the federal Energy Efficient Home Improvement Credit. IRS.
Connecticut Home Energy Rebate program
Not yet launched Inflation Reduction Act Home Energy Rebate Programs
Electrification/appliance rebates (HEAR): "HEAR rebates are not currently available. DOE must approve both the initial application and the Blueprint before the program can be launched."
Whole-home efficiency rebates (HOMES/HER): "HER rebates are not currently available. DOE must approve both the initial application and the Blueprint before program launch."
Official source: Connecticut Department of Energy and Environmental Protection (DEEP) (page says: Content last updated July 2025). Status text compiled via referencesource.org, last checked by them August 25, 2026.
Utility rebates
Energize CT: Residential Insulation Rebate
Up to $2.00/sq ft (or 75% of cost, whichever is less, max $10,000) for installs by an Energize CT Insulation Installers Network contractor; spray foam is a listed eligible material. Insulation must be recommended during a Home Energy Solutions visit and approved before install. Program dates listed 01/01/26–12/31/26.
Checked October 16, 2026.