Mass Save heat pump rebate in Boston
Eversource serves Boston. Install in 2026 and Mass Save pays $2,650 per ton. From January 1, 2027 it pays $2,350.
- Checked: November 2026
- Mass Save rate drops: Jan 1
The short answer for Boston. If you are replacing oil, propane or electric baseboard, apply with your electric account (Eversource). If you are replacing natural gas, apply with your gas account (National Grid (Hyde Park: Eversource Gas)). The rebate is the same either way: $2,650 per ton up to $8,500 for 2026 installs, then $2,350 per ton up to $7,500 from January 1, 2027.
Boston estimator
What could a Boston home get back?
Your estimate
Up to $8,500
Finished in 2026: $2,650 for each ton, up to $8,500.
What to do next
Rates: Mass Save, read November 6, 2026. An estimate, not an offer. Mass Save decides who qualifies and pays the rebate.
What Mass Save pays in Boston: 2026 against 2027
| System | Installed 2026 | From Jan 1, 2027 | Change |
|---|---|---|---|
| 2-ton whole-home | $5,300 | $4,700 | -$600 |
| 3-ton whole-home | $7,950 | $7,050 | -$900 |
| 3.2+ ton whole-home (cap) | $8,500 | $7,500 | -$1,000 |
| 2-ton partial-home | $2,250 | $2,000 | -$250 |
| 3-ton partial-home | $3,375 | $3,000 | -$375 |
Which account do you apply with in Boston?
| Your heat today | Apply with | Boston homes (Census) |
|---|---|---|
| Oil, propane or electric resistance | Your electric account (Eversource, a Mass Save electric sponsor) | 116,508 homes (41%): 19,065 oil, 89,631 electric, 7,812 propane |
| Natural gas | Your gas account: National Grid (Hyde Park: Eversource Gas). Mass Save's gas sponsor rule. | 159,877 homes (56%) |
What qualifies a Boston home
The median home in Boston was built in 1947, well before Mass Save's 2000 cut-off. Most whole-home projects here will need the other weatherization test: a Home Energy Assessment recommending under $1,000 of work, or 2013-or-later recommendations completed. 36% of Boston homes are owner-occupied.
- Installer. Mass Save requires a contractor in its Heat Pump Installer Network.
- Whole-home weatherization test (Mass Save): built in 2000 or later, or a Home Energy Assessment recommending under $1,000, or 2013-or-later recommendations completed.
- Full-time winter home and one whole-home rebate per account.
Permits in Boston
Inspectional Services Department (ISD)
Boston's electrical permit page says homeowners must hire a licensed contractor to apply for the permit and complete the work.
The December 31 timeline for Boston
- 1NowGet proposalsTwo or three installers in the Mass Save network. Ask each for a firm install date.
- 2By Dec 31, 2026Heat pump installedThe install date sets the rate. $2,650 per ton, up to $8,500 (whole-home).
- 3Jan 1, 2027New rate startsInstalls on or after this date: $2,350 per ton, up to $7,500 (whole-home).
- 4By Feb 28, 2027Rebate form inForm and paperwork for 2026 installs must reach Mass Save. Allow about eight weeks.
The full dates for every program: the December 31 deadline guide.
Questions about heat pump rebates in Boston
Does Boston get Mass Save heat pump rebates?
Yes. In Boston, electricity comes from Eversource and gas from National Grid (Hyde Park: Eversource Gas). Both are Mass Save sponsors. Use your electric account if you are replacing oil, propane or electric resistance heat, and your gas account if you are replacing natural gas.
How much is the Mass Save heat pump rebate in Boston in 2026?
A whole-home heat pump installed in 2026 gets $2,650 per ton, up to $8,500. A 3-ton system pays $7,950 and anything from about 3.2 tons up pays the $8,500 cap. Partial-home pays $1,125 per ton, up to $8,500.
What is the 2026 deadline for a heat pump in Boston?
The heat pump has to be installed by December 31, 2026 to get $2,650 per ton. Mass Save must receive the rebate form and paperwork by February 28, 2027. Installs on or after January 1, 2027 get $2,350 per ton, capped at $7,500.
Do I need a permit for a heat pump in Boston?
Boston's Inspectional Services Department (ISD) handles permits. Boston's electrical permit page says homeowners must hire a licensed contractor to apply for the permit and complete the work. See the town's permit page before work starts. The licensed contractor doing the work normally pulls the permit.
Is it worth installing a heat pump in Boston before December 31?
For a whole-home system, installing in 2026 pays up to $1,000 more than installing in 2027 ($8,500 against $7,500 at the caps). The install date decides the rate, so ask your installer for a committed date in writing.
Who can install a heat pump in Boston and still get the rebate?
Mass Save pays only when the system is installed by a contractor in its Heat Pump Installer Network, so check any contractor against that list before you sign. Aurion takes heat pump projects in Boston and helps with the rebate paperwork. Licensed work is done by licensed Massachusetts technicians. Send two photos and the town to get a price.
More for Boston
Average cost context from Mass Save: $22,000 for a whole-home install finished in 2022, which leaves $13,500 after the 2026 cap. Your quote decides the real number. Questions? Call (781) 210-8400.
Heat pump in Boston? Decide before the rate drops.
Send two photos and your town. We look at them and get back to you with a price. Or call (781) 210-8400.
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