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Massachusetts · checked October 20, 2026
Air-source heat pump rebates in Massachusetts
1 program pays toward an air-source heat pump in Massachusetts right now, with 4 separate offers between them. The largest stated amount is $16,000 (a maximum), from Mass Save air-source heat pump rebates (Income-based enhanced). The federal 25C credit for this upgrade ended on December 31, 2025, so the state and utility money below is what is left.
What Massachusetts pays for heat pumps
Mass Save air-source heat pump rebates Open
Run by Mass Save (sponsor utilities) · for customers of 6 utilities · ends December 31, 2026 · apply by February 28, 2027
- Whole-Home: $2,650 per ton, up to $8,500
- Partial-Home: $1,125 per ton, up to $8,500
- Basic: $250 per ton, up to $2,500
- Income-based enhanced: Up to $16,000, or up to no cost through Turnkey Services income-qualified
Conditions on the program page: ENERGY STAR Cold Climate and on the Mass Save Heat Pump Qualified Products List; Installed by a Mass Save Heat Pump Installer Network contractor; Whole-Home: home built 2000 or later, or an assessment recommending under $1,000 of weatherization, or recommended weatherization done; signed verification form; Partial-Home: integrated controls where another fuel stays in use; Full-time occupancy in the heating season; Tons = AHRI cooling capacity ÷ 12,000 Btu; Basic plus Whole/Partial capped at $8,500 per account; Serial numbers required on applications from October 1, 2026.
Also on the page: Installed on or after January 1, 2027: Whole-Home $2,350 per ton up to $7,500; Partial-Home $1,000 per ton up to $7,500; Partial-Home bonuses: $500 sizing and $500 weatherization.
Source: Mass Save: Air Source Heat Pumps. Last checked October 20, 2026. Official program page.
Worked example: one Massachusetts home
Take a 3-ton air-source system (2 outdoor units) replacing oil heat. These are example inputs, not typical prices. Each program's own rule gives the amounts below; where one program has several tiers only the largest one counts, separate programs add up, and a percentage offer with no cost entered is shown at its ceiling.
| Utility | Not income-qualified | Moderate income | Low income | Replacing baseboard |
|---|---|---|---|---|
| Eversource (Massachusetts) | $7,950 | $16,000 max | $16,000 max | $7,950 |
| National Grid (Massachusetts) | $7,950 | $16,000 max | $16,000 max | $7,950 |
| Unitil (Massachusetts) | $7,950 | $16,000 max | $16,000 max | $7,950 |
| Cape Light Compact | $7,950 | $16,000 max | $16,000 max | $7,950 |
| Liberty (Massachusetts gas) | $7,950 | $16,000 max | $16,000 max | $7,950 |
| Berkshire Gas | $7,950 | $16,000 max | $16,000 max | $7,950 |
For a household that is not income-qualified, the example comes to $7,950, made of $7,950 from Mass Save heat pumps (Whole-Home). A household that meets a program's low-income definition gets $8,050 more in the same example, because 1 offer is paid at the income-qualified level. All 6 listed utilities come out the same, because the money comes from a shared program.
Who can use these Massachusetts offers
Every household in Massachusetts covered by Mass Save can apply; the offers are not limited to one utility's territory. Customers of Municipal light plant (not in Mass Save) are not covered by any open air-source heat pump offer listed here; check with the utility directly. The earliest end date among these offers is December 31, 2026, and the latest application deadline listed is February 28, 2027.
Federal credit and state IRA rebates
The Energy Efficient Home Improvement Credit (IRC §25C) paid 30% of cost, up to $2,000 a year (heat pumps, heat pump water heaters, biomass stoves and boilers combined). The IRS page says: “can claim the credit for improvements made through December 31, 2025.” Not allowed for property placed in service after December 31, 2025. Source: IRS: Energy Efficient Home Improvement Credit, 26 U.S.C. §25C, as amended by Public Law 119-21 (July 4, 2025). See what the credit covered and when it ended.
Massachusetts HEAR and HER (IRA home energy rebates): Not launched. The DOER page does not confirm a launch: “DOE approval on the State Implementation Blueprint is required before programs can be launched.” HEAR is planned to run through Mass Save. Source: Mass.gov: DOER federal funding updates.
How Massachusetts compares
Massachusetts has the largest stated air-source heat pump amount of the 15 states this site covers. Open elsewhere: Rhode Island $11,500; Connecticut $10,000; New Hampshire $10,000; Maine $9,000; North Carolina $8,000; Vermont $4,000; California $3,000; Oregon $3,000; Arizona $1,125; Texas $950; Wisconsin $900; Michigan $350; Florida $200. No open, sourced offer is listed in 1 other covered state (Pennsylvania). Compare them on the air-source heat pump rebates by state page.
Other upgrades in Massachusetts: heat pump water heater, insulation and air sealing, home EV charger, induction range or cooktop, electrical panel upgrade. Background: how rebates stack and the federal credit status.
Rebates are set by each program and can change or close without notice; the program's own page and application decide what is paid. This page is information, not tax, legal or financial advice. Amounts last checked October 20, 2026.