Mass Save, Eversource / National Grid / Cape Light Compact / Utilities
Mass Save Heat Pump Rebate (Whole-Home) is available to homeowners and renters in Boston, MA.
Mass Save provides rebates of up to $8,500 for qualifying air-source heat pump installations through participating Massachusetts utilities including Eversource and National Grid. The whole-home rebate pays $2,650 per ton of heat pump capacity (capped at $8,500). Systems must replace natural gas, oil, propane, or electric resistance heating. A home energy assessment is required before installation to qualify.
Rebate: $2,650/ton whole-home (or $1,125/ton partial), capped at $8,500. Must displace fossil fuel or electric resistance heat. Home energy assessment required first.
Verified against Mass Save, Eversource / National Grid / Cape Light Compact / Utilities's official page on 2026-06-17.
Data last verified 2026-04-03. How we verify our data.
In Boston, MA, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Boston, MA can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
You will likely need a contractor to apply
Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Boston early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
Documents you will likely need
Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Ongoing, 2026 program year
Ask us. It is free, and a real person answers within a business day.
Email us about this programUp to $8,500 rebate.
Mass Save Heat Pump Rebate (Whole-Home) is open to homeowners and renters in Boston, MA. It has no income limit.
Apply directly with Mass Save, Eversource / National Grid / Cape Light Compact / Utilities using the official program link on this page or call 866-527-7283. There is no middleman and no fee. Deadline: Ongoing, 2026 program year.
Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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