Maine

Heat pump incentives in Maine

Efficiency Maine

verified 2026-07

up to $9,000

Efficiency Maine: up to $9,000 whole-home (income-tiered; $1,000-$3,000/unit standard). Cold-climate qualified.

Program source: efficiencymaine.com

Utility programs in Maine

These are the named utility and ratepayer rebates on file for Maine. 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.

Central Maine Power

efficiencymaine.com

$9,000

maximum

$3,000 per indoor unit

You claim it after installPaid per indoor unit

Efficiency Maine territory; $1,000-$3,000/unit up to $9,000.

Equipment that qualifies
Efficiency Maine qualifying cold-climate heat pump; whole-home tier.
Who qualifies, and the cap
Central Maine Power territory (Efficiency Maine administered). Up to $9,000 whole-home.
Stacking
Statewide Efficiency Maine program; $1,000-$3,000 per unit up to $9,000 whole-home. Income-eligible tiers higher.

Versant Power (Emera Maine)

efficiencymaine.com

$9,000

maximum

$3,000 per indoor unit

You claim it after installPaid per indoor unit

Efficiency Maine territory.

Equipment that qualifies
Efficiency Maine qualifying cold-climate heat pump; whole-home tier.
Who qualifies, and the cap
Versant Power (Emera Maine) territory. Up to $9,000 whole-home.
Stacking
Same statewide Efficiency Maine program as CMP.

What your system should be sized for

A heat pump in Maine 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 V (7,100 heating degree days at the Portland reference metro).

CityDesign tempBasis
Portland5°Festimated
South Portland5°Festimated
Lewiston3°Festimated
Auburn3°Festimated
Bangor-1°Festimated
Biddeford6°Festimated
Sanford5°Festimated
Saco6°Festimated
Westbrook5°Festimated
Waterville1°Festimated

Get notified when instant quoting opens in Maine

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  • 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.
  • State and utility programs only. Federal 25C/25D tax credits expired 12/31/2025 and the DOE HEAR/HOMES rebate programs ended 5/29/2026; neither is included.
  • After-install rebates are claimed by the homeowner after installation and are not guaranteed at the point of sale.