Connecticut and UI and CNG and SCG customers, Connecticut · Rebate
Energize CT Residential Advanced Duct Sealing
Run by Energize Connecticut (Eversource, UI, CNG and SCG)
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).
Amounts
How much you get
Per system, limit two systems (one first and one additional). The amount depends on which of these fits your install.
| What you install | You get |
|---|---|
| First systemHeating or heating and cooling | $1,750 |
| Additional systemHeating or heating and cooling | $1,000 |
| First systemCooling only | $600 |
| Additional systemCooling only | $350 |
Eligibility
Do I qualify?
You need to meet all 4 of these.
Residential customers of Eversource, UI, CNG or SCG.
A Home Energy Solutions visit is required, and the contractor must recommend advanced duct sealing.
What to doBook a Home Energy Solutions visit (877-WISE-USE).
Must be done by a contractor in the CT Advanced Duct Sealing Network.
What to doUse the Find a Professional tool.
Single-family homes and buildings up to 4 units; not new construction or systems with no existing ductwork.
Equipment
What equipment counts
Applying
How to apply
Get approved before you buy anything.
- Get the rebate application during your Home Energy Solutions visit.
- Schedule an Energize CT Advanced Duct Sealing Network contractor.
- Submit the form as instructed, or online.
Questions about applying1-877-WISE-USE
Stacking
Use it with
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 (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 Advanced Duct Sealing pay?
$350 to $1,750, 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 I have to use a contractor?
Yes. Must be done by a contractor in the CT Advanced Duct Sealing Network.
Do I need approval before I buy?
Yes. Apply before you buy or install anything; purchases made first don’t qualify. A Home Energy Solutions visit is required, and the contractor must recommend advanced duct sealing. Book a Home Energy Solutions visit (877-WISE-USE).
What’s the deadline?
Apply by December 31, 2026.
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
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
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