Energy Efficiency Rebates in Connecticut
Navigate every rebate you qualify for. We assess your home, identify upgrades, handle the paperwork, and follow up until every dollar is collected.
Find every rebate your home qualifies for
Every Energize CT and federal incentive we track, in one place. Filter by project, source, or availability — amounts come straight from the current program data.
No rebates match those filters — clear a filter, or ask us what you qualify for.
Not sure where to start? Most rebates begin with a $40 home energy audit — we confirm what you qualify for and handle the paperwork.
Get help claiming rebatesThe first step
The audit is what unlocks the rebates
One assessment maps every incentive your home qualifies for
Diagnostic visit, full incentive map. A Home Energy Solutions assessment by utility-certified technicians combines blower-door and in-home testing to find exactly where your home loses energy, with hands-on weatherization done on the spot.
- You leave with a Home Energy Score and a prioritized upgrade plan
- The report lists every Energize CT and federal rebate each upgrade earns
- It is the required first step for Energize CT rebates on most major upgrades
It costs $40, or nothing at all for income-eligible households
State and utility support keeps the cost low. Thanks to program funding, the assessment is a $40 copay. Income-eligible households pay nothing.
- The visit delivers around $1,332 in weatherization service value on average
- First-year savings average roughly $1,776 — before the larger rebates it unlocks
- It is the first step on almost every project our team runs
Your audit maps every rebate your home qualifies for.
Attic insulation
Insulation rebates covering 75%-100% of costs through Energize CT. Blown-in cellulose and spray foam insulation for your attic space.
- Blown-in cellulose attic insulation
- Spray foam at attic bypasses and air leaks
- Income-eligible projects: up to 100% off
Wall insulation
Blown-in cellulose wall insulation at $2.00/sq ft rebate through Energize CT. Income-eligible projects qualify for up to 100% coverage.
- Blown-in cellulose for existing wall cavities
- Minimally invasive installation process
- Significant reduction in heat loss through walls
Basement and foundation
Rim joist and basement wall insulation rebates through Energize CT. Spray foam sealing for critical air leakage points.
- Rim joist spray foam insulation
- Basement wall insulation
- Air sealing at foundation penetrations
Heating systems
Heat pump installation rebates up to $10,000 through Energize CT. Covers ductless and ducted systems, including oil-to-heat-pump conversions.
- Ductless heat pump installation rebates
- Ducted heat pump installation rebates
- Oil-to-heat-pump conversion incentives
Cooling systems
Heat pumps provide both heating and cooling in one system. Central AC and ductless mini-splits with high SEER2 ratings qualify for additional incentives.
- Heat pump cooling (built-in, no separate AC needed)
- Ductless mini-split cooling for room-by-room control
- High-efficiency central AC replacement
Water heating
Heat pump water heaters deliver 3x the efficiency of conventional tanks. Rebates and tax credits make the upgrade cost-effective.
- Heat pump water heater rebates
- Federal tax credit eligible (30% up to $2,000)
- 3x more efficient than conventional electric tank
Window replacements
$100 per window rebate for ENERGY STAR certified replacements. Eligible double-pane and triple-pane window upgrades.
- ENERGY STAR certified double and triple pane
- Draft elimination and comfort improvement
- Professional measurement and installation
Attic
Walls
Basement
Heating
Cooling
Water heater
Windows
A BPI-certified auditor inspects your home and identifies all available Energize CT rebates. Most Connecticut families qualify for thousands in incentives.
Which upgrades earn rebates
The rebates Connecticut funds, and how we capture them
The upgrades that lower your bills are the ones that qualify
Real money, real programs. Connecticut runs efficiency incentives through Energize CT and your utility — Eversource, United Illuminating, or CNG — plus the federal Inflation Reduction Act, covering the upgrades that actually cut energy use.
- Insulation and air sealing, Energy Star windows, heat pumps, and heat pump water heaters all qualify
- Insulation rebates run at $2.00 per square foot — 75 to 100 percent of project cost for most CT homes
- Programs can be stacked, so one upgrade may draw from more than one source
A missed step can cost the whole rebate — our specialists prevent that
Every form filed on your behalf. As an Energize CT Authorized Contractor, our specialists document what qualifies, submit every application, and follow up until each incentive is approved and credited.
- Each program has its own forms, documentation requirements, and deadlines
- We track approval status so nothing falls through after the work is done
- When programs stack on the same upgrade, we sequence them to maximize what you capture
Your path from audit to savings
Three steps between where you are now and a more efficient, more comfortable home.
Step 1
Schedule a $40 energy audit
A BPI-certified technician spends 2-4 hours evaluating your home with blower-door testing, thermal imaging, and combustion safety checks. The audit costs $40 — or free if you qualify as income-eligible through HES-IE.
- 2-4 hour assessment
- $40 or free (income-eligible)
- BPI-certified technician
- Blower-door and thermal imaging diagnosticsWe depressurize your home and use infrared cameras to find hidden air leaks and insulation gaps.
- On-the-spot air sealing and weatherizationTechnicians seal gaps and install weatherstripping during the same visit.
- Safety testing for CO and gas leaksCombustion appliances are tested to ensure your household is safe.
Step 2
See exactly what you qualify for
Your technician delivers a comprehensive report at the kitchen table: a U.S. Department of Energy Home Energy Score, a prioritized list of recommended upgrades, and every rebate and financing option available to your home.
- Home Energy Score (DOE)
- Rebates up to $10,000
- 75-100% insulation coverage
- Home Energy Score (DOE evaluation)Your home gets a 1-10 efficiency rating from the U.S. Department of Energy.
- Energize CT rebates up to $10,000We identify every rebate and incentive your home qualifies for.
- 75-100% insulation cost coverageMost homes qualify for significant insulation rebates through Energize CT.
Step 3
Get the work done — we handle everything
HCP performs the recommended upgrades: insulation, HVAC, windows, air sealing. We file all rebate applications and coordinate financing. One contractor from assessment through completion.
- Professional HCP installation
- Rebate paperwork filed for you
- Lower annual energy bills
- Professional installation by HCP crewsOur team handles insulation, HVAC, windows, and air sealing.
- All rebate paperwork filed for youWe handle Energize CT applications and coordinate financing options.
- Lower annual energy billsMost families see meaningful reductions in heating and cooling costs.
Rebates + incentives
Stacking state and federal incentives
Energize CT and the IRA are separate pots of money you can combine
One state, one federal — both apply. Energize CT is funded by Connecticut ratepayers and pays rebates at the point of work. The federal Inflation Reduction Act layers on tax credits and upfront rebates for electrification, separate from state funds.
- Heat pump systems: up to $8,000 federal; heat pump water heaters: up to $1,750
- Weatherization: up to $1,600; electrical panels: up to $4,000; wiring: up to $2,500
- Because they are separate funds, combining them cuts project cost well beyond what either does alone
We figure out where the programs overlap so nothing is left on the table
Sequence matters. Some federal rebates align with Energize CT incentives on the same upgrade, and the IRA income tiers change how much comes back. Our team applies them in the right order to maximize what your home captures.
- We assess what your home qualifies for under both programs before any work starts
- IRA income tiers can increase federal rebate amounts significantly for eligible households
- A Home Energy Solutions assessment is where the full analysis begins
How Energize CT programs keep upgrades affordable
Energize CT programs are funded by a charge on customer energy bills — a small line item you already pay every month. Here is how those funds come back to you.
- Transmission Charge $12.27
- Combined Public Benefits Charge* $6.44
*The Combined Public Benefits Charge combines three charges formerly known as the Conservation and Load Management Charge, Renewable Energy Investment Charge, and Systems Benefits Charge. It also includes the Conservation Adjustment Mechanism approved by PURA in Docket No. 13-11-14.
The Combined Public Benefits Charge funds your rebates
Programs that help lower the cost of energy improvements
Connecticut families can access state rebates, federal tax credits, and flexible financing for qualifying home upgrades.
Energize CT rebates
State rebates
Energize CT is funded by a charge on customer energy bills and provides rebates for insulation, heat pumps, and other qualifying improvements. HCP is an Authorized Contractor.
- Up to $10,000 for heat pump installation
- $2.00/sq ft for insulation (75-100% of cost)
- Up to $900 for heat pump water heaters
- $40 home energy audit identifies all qualifying work
Financing options
Flexible financing
Multiple financing options help you start improvements now without saving the full amount upfront.
- Smart-E Loan low fixed rates for energy improvements
- CHIF CT Housing Investment Fund for income-qualifying families
- On-bill financing pay through your monthly utility bill
Reviews from rebate and audit projects
Find out which rebates your home qualifies for
A $40 energy audit is the first step.