Energize CT Home Insulation & Air Sealing Rebates
Energize CT / Eversource / CT Natural Gas
About This Program
The Grant Map catalogs Energize CT Home Insulation & Air Sealing Rebates in its Hartford, CT research directory. The record carries audience tags for homeowners; those tags do not establish eligibility or current service coverage.
Energize CT offers rebates of up to $2.00 per square foot for qualifying attic insulation upgrades, plus additional rebates for air sealing and duct sealing performed after a Home Energy Solutions assessment. A standard HES visit costs $75 (waived if scheduled before March 31, 2026) and unlocks access to the full rebate portfolio. Both Eversource and CT natural gas customers are eligible.
Up to $2.00/sq ft for attic insulation; air/duct sealing adds additional savings.
Record set last reviewed 2026-04-03. How we verify our data.
Other published resources for Hartford, CT, are listed below. Review each separately and ask the administrators whether they can coordinate funding for the same work:
- City of Hartford Housing Preservation Loan Fund Affordable low-interest loans; amount varies by project
- Hartford Sustainable Housing Solutions, Promise Zone Program Enhanced assistance for properties in federally designated Promise Zone
- CT Home Improvement Program (Connecticut Home Funds) Low-interest loans from $8.5M statewide pool
- City of Hartford CDBG Housing Assistance Program Varies by funded sub-program and project
Key Details
- Up to $2.00 per square foot for qualifying attic insulation
- Additional rebates for air sealing and duct sealing
- Complete a $75 HES assessment first (waived if before 3/31/2026)
- Available to Eversource and CT gas customers
- Combine with 25C federal tax credit for maximum savings
How to Apply
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Track this programProgram phone: 877-947-3873
Some programs require contractor estimates, licenses, or inspections. A cited link may be general, so confirm the current rules with the administrator before hiring; a directory match does not guarantee contractor eligibility or funding.
You may need a contractor or estimate
Some programs for this project type ask for a license, inspection, or written estimate. Confirm the rule before contacting a contractor in Hartford.
Get matched with a contractorEach administrator sets its contractor rules. Confirm exact requirements directly; the cited URL may be a general agency page.
Your application paperwork
Documents you will likely need
- Your federal tax return for the year of the work (this benefit is claimed on your taxes, not through a separate application).
- Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
- A government-issued photo ID for every owner on title.
- A written estimate from a licensed contractor for the work (many programs require this to apply).
- A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
- The program's own application form, completed (use the official link or phone number on this page).
Requirements vary by program and locality. Confirm the exact rules and application route with the administrator. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Ongoing; complete HES assessment first for full rebate access
Questions about this program?
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Frequently asked questions
What amount is listed for Energize CT Home Insulation & Air Sealing Rebates in Hartford, CT?
The Grant Map record states: Up to $2.00/sq ft for attic insulation; air/duct sealing rebates. Confirm the current amount and eligible costs with the administrator.
What audience tags are recorded for Energize CT Home Insulation & Air Sealing Rebates in Hartford?
The directory record carries audience tags for homeowners. These tags do not establish eligibility; confirm the complete current rules with the administrator.
How do I apply for Energize CT Home Insulation & Air Sealing Rebates in Hartford, CT?
Confirm the application route directly with Energize CT / Eversource / CT Natural Gas; use the cited source on this page as a starting point or call 877-947-3873. Confirm any fee or cost with the administrator.
Need a Contractor for This Project?
Browse local listings or request an introduction. The Grant Map does not guarantee licensing, program experience, work quality, or funding.
More ways to save on this project
Rebates and discounts that may reduce project cost. Confirm eligibility and coordination rules before including one in your budget.
Find More Programs in Hartford, CT
This is one of several kinds of assistance that may be available. Review other programs separately and confirm whether their administrators allow coordination for the same work.
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