Residential Insulation Incentive
- Rebate Offer:
- Up to $1.70 per square foot or 75 percent of total cost, whichever is less, up to $10,000, for professional contractor installation and $0.25 per square foot for self-installation on approved insulation projects.
- Incentive Duration
- 01/01/25 - 03/31/26
- Average Initial Cost
- The average initial cost varies from home to home. This is based on the square footage and insulation needs.
- Average Lifetime Savings
- This varies from measure to measure.
- Average Lifespan
- This varies from measure to measure.
Additional Details
Installation Options
1. Professional Contractor Installation: Installations using the Home Energy SolutionsSM insulation rebate must be performed by an approved contractor from the Energize CT Insulation Installers Network, participating contractors can be found in the Find a Participating Contractor tool.
2. Self-Installation: Please note that all self-installed insulation require an inspection prior to rebate payment.
Special Consideration
- Insulation must be recommended during a Home Energy Solutions visit
- Projects must be approved before installation
- This program is available for single and multifamily homes with up to four units. For buildings with five units or more, refer to the Multifamily Initiative
- Renters: Landlord approval is required before scheduling your Home Energy Solutions visit
- Income-Eligible Customers: Households earning below the state’s 60 percent income median may qualify for no-cost Home Energy Solutions - Income Eligible services through an approved Home Energy Solutions - Income Eligible contractor, including up to 100 percent coverage of insulation costs
- Please note that a Quality Assurance Inspector may conduct an on-site inspection or contact you after the service to verify the work, in some cases before rebate payment is issued
How to get started
Check Eligibility
- Residential customers of Eversource, UI, CNG, and SCG are eligible for this program
- If your family’s combined gross annual income is below the state’s 60 percent income median, you may qualify for our HES - Income-Eligible (HES-IE) program
- If you are a Connecticut resident and are not served by one of the utilities listed, please visit your utility’s website to see what energy efficiency programs are available to you. Please click here for information on how to contact your municipal utility
For Additional Energy Optimization Rebates
- Federal tax credits may be available. Learn more about the tax credits here or speak to your tax preparer.
Technical Details
Acceptable Insulation Materials:
Fiberglass Batts, Blown Fiberglass, Cellulose, Dense Pack Cellulose, Rockwool, Spray Foam, Rigid Foam, Mineral/Stone Wool, Natural Fiber
Attic Floors:
Existing R value cannot exceed R19 and final R value must be R49 or greater unless it is not practicable structurally in the attic space in which R38 is the required minimum
Floored Over Attics:
Existing R value must be less than or equal to 4 and final R value must be R19 or greater
Above & Below Grade Walls:
Existing R value cannot exceed R4 and final R value must be R13 or greater
Basement and Garage Ceilings:
Existing R value cannot exceed R6 and final R value must be R19 or greater
Rim Joist:
Existing R value cannot exceed R6 and final R value must be R13 or greater
What is the rebate process?
Step 1: Receive your insulation rebate application during your Home Energy Solutions visit.
Step 2: Schedule an appointment with a contractor from the Energize CT Insulation Installers Network to install your insulation. Eligible installations qualify for rebates up to $1.70 per square foot or 75 percent of the total cost, whichever is less, up to a maximum of $10,000. ($1.70/sq. ft. for attic floors, floored over attics, walls, garage ceiling and rim joist; $.80/sq. ft. for basement ceiling)
Note: To receive the rebate, installations must be performed by an approved contractor. Use the Find A Professional tool to locate participating contractors.
Step 2: If completing the work yourself, eligible projects qualify for a $0.25 per square foot for all types of approved insulation projects.
Note: All self-installed insulation requires an inspection prior to rebate payment
Step 3: Fill out the rebate application form with the required details and submit it as instructed on the form or submit the application online
