Energize CT Energy Optimization tier: up to $10,000 ($1,000/ton); standard air-source $250/ton (max $2,500). Cold-climate ENERGY STAR + HPIN contractor required.
Program source: energizect.com
Utility programs in Connecticut
These are the named utility and ratepayer rebates on file for Connecticut. You claim the one that serves your address, not the total. Each card carries the program’s own terms: what equipment qualifies, who is eligible, what the cap actually is, and whether it stacks.
Eversource Energy
energizect.com
$10,000
maximum
$1,000 per ton
You claim it after installPaid per ton
Energize CT administrator; EO tier $1,000/ton up to $10,000.
Equipment that qualifies
Energize CT qualifying cold-climate heat pump; Electrify Opportunity (EO) enhanced tier pays the top rate.
Who qualifies, and the cap
Eversource CT electric customers. EO tier $1,000/ton up to $10,000 whole-home.
Stacking
Statewide Energize CT program administered jointly with United Illuminating; income-eligible EO tier is the enhanced alternative, not additive.
United Illuminating (Avangrid)
energizect.com
$10,000
maximum
$1,000 per ton
You claim it after installPaid per ton
Energize CT administrator.
Equipment that qualifies
Energize CT qualifying cold-climate heat pump; EO enhanced tier pays the top rate.
Who qualifies, and the cap
United Illuminating (Avangrid) CT electric customers. EO tier $1,000/ton up to $10,000.
Stacking
Same statewide Energize CT program as Eversource; homeowner claims through one administrator.
What your system should be sized for
A heat pump in Connecticut should carry the house on the coldest design day, not the average one. These are the winter design temperatures our engine sizes against, in AHRI heating region IV (5,800 heating degree days at the Hartford reference metro).
City
Design temp
Climate zone
Basis
Hartford
3°F
5A
sourced
New Haven
9°F
5A
estimated
Bridgeport
10°F
5A
estimated
Stamford
10°F
5A
estimated
Waterbury
5°F
5A
estimated
Norwalk
10°F
5A
estimated
Danbury
6°F
5A
estimated
New Britain
6°F
5A
estimated
Meriden
7°F
5A
estimated
Bristol
6°F
5A
estimated
Rebate amounts are estimates and subject to change. Verify current program terms and eligibility before quoting a final net price.
Eligibility varies by income, equipment efficiency, utility territory, and program funding availability.
Federal 25C/25D tax credits expired 12/31/2025. Federal DOE HEAR/HOMES administration ended 5/29/2026. State-run HEAR pathways that still print a dollar on an official page are listed with that URL and fetch date.
After-install rebates are claimed by the homeowner after installation and are not guaranteed at the point of sale.