Connecticut and UI and CNG and SCG customers, Connecticut · Rebate
Energize CT Residential Insulation Incentive
Run by Energize Connecticut (Eversource, UI, CNG and SCG)
After a Home Energy Solutions visit, customers of Eversource, UI, CNG and SCG get up to $2.00 per sq. ft. (75% of cost, max $10,000) for contractor-installed insulation, or $2.50 per sq. ft. (max $15,000) in Environmental Justice Communities.
Amounts
How much you get
Contractor installation: $2.00 per sq. The amount depends on which of these fits your install.
| What you install | You get |
|---|---|
| Professional installation | $2 |
| Professional installation in an Environmental Justice Community | $2.5 |
| Self-installation (inspection required) | $0.25 |
Eligibility
Do I qualify?
You need to meet all 5 of these.
Residential customers of Eversource, UI, CNG or SCG.
Insulation must be recommended during a Home Energy Solutions visit, and the project approved before installation.
What to doBook a Home Energy Solutions visit first (877-WISE-USE).
For the $2.00 or $2.50 rates, an approved contractor from the Energize CT Insulation Installers Network must do the work.
What to doUse the Find a Participating Contractor tool.
Single-family and multifamily homes with up to four units.
Renters need landlord approval before the Home Energy Solutions visit.
What to doGet the landlord's written approval.
Equipment
What equipment counts
The program sets these minimums for insulation and air sealing.
- Insulation
Attic floors: existing R-value no more than R19; final R49 or greater (R38 where R49 is not structurally practicable).
- Insulation
Above and below grade walls: existing no more than R4; final R13 or greater.
Applying
How to apply
Get approved before you buy anything.
- Have a Home Energy Solutions visit.
You get the insulation rebate application during the visit.
- Hire an Energize CT Insulation Installers Network contractor, or do it yourself.
Self-installed insulation needs an inspection before payment.
- Submit the rebate application online or as the form instructs.
Questions about applying877-WISE-USE (877-947-3873)
Stacking
Use it with
Households below 60% of state median income may get insulation at up to 100% coverage through HES-IE instead.
Connecticut and UI and CNG and SCG customers, Connecticut
Energize CT Home Energy Solutions
Work done at no cost
An in-home energy assessment with on-the-spot air sealing and upgrades for Eversource, UI, CNG and SCG customers: $40 copay, or no cost for households between 60% of state median and 80% of area median income.
Checked Oct 25, 2026
Your address
Next steps
Check that it covers your address. This program has to approve you before you buy anything, so start with the program, not a contractor quote.
Is it available at your address?
Before anything else
Book a Home Energy Solutions visit first (877-WISE-USE).
Your quote request is in If a contractor we work with serves your ZIP, they can contact you. We take one request per person; contact us to change it.
Get an email if this program changes
We'll write if its amount, status or deadline changes. Nothing else.
FAQ
Questions
How much does Energize CT Residential Insulation Incentive pay?
$0.25 to $2.5, depending on what you install. The table under How much you get lists each amount.
Do I need to be a Connecticut, UI, CNG or SCG customer?
Yes. It’s only for homes in Connecticut and UI and CNG and SCG customers, Connecticut. See Do I qualify for the details.
Do renters qualify?
Renters need landlord approval before the Home Energy Solutions visit. Get the landlord's written approval.
Do I have to use a contractor?
Yes. For the $2.00 or $2.50 rates, an approved contractor from the Energize CT Insulation Installers Network must do the work.
Do I need approval before I buy?
Yes. Apply before you buy or install anything; purchases made first don’t qualify. Insulation must be recommended during a Home Energy Solutions visit, and the project approved before installation. Book a Home Energy Solutions visit first (877-WISE-USE).
What’s the deadline?
Apply by December 31, 2026.
Can I combine it with other rebates?
Yes, with Energize CT Home Energy Solutions. See Use it with.
Is it still available?
Yes. It was open when we last checked, on October 25, 2026.
Plain words
Words used on this page
References
Sources
This page is built from these official pages, run by the program itself.
When one of these pages changes, we re-check this page against it.
Nearby
More in Connecticut
All of Connecticut
Connecticut Weatherization Assistance Program (CT WAP)
Work done at no cost
Free weatherization for households at or below 60% of state median income: energy audit, air sealing, attic and wall insulation and heating system tune-ups, through DEEP and Community Action agencies.
Checked Oct 25, 2026
Connecticut and UI and CNG and SCG customers, Connecticut
Energize CT Home Energy Solutions – Income Eligible
Amount varies
Households at or below 60% of Connecticut median income get a no-cost home energy assessment and energy-saving work from Eversource, UI, CNG or SCG, including up to 100% off approved insulation. Renters can apply.
Checked Oct 25, 2026
Connecticut and UI and CNG and SCG customers, Connecticut
Energize CT Residential Advanced Duct Sealing
Up to $1,750 back
After a Home Energy Solutions visit recommends it, customers of Eversource, UI, CNG and SCG get $1,750 for advanced duct sealing on a heating system ($1,000 for a second), or $600 for a cooling-only system ($350 for a second).
Checked Oct 25, 2026