The 2026 guide to Massachusetts heat pump rebates (Mass Save and beyond)

Massachusetts pays homeowners to electrify more aggressively than almost any state in America. It's also easy to leave thousands on the table by doing steps out of order. Here's the 2026 playbook.

The pieces of the Massachusetts stack

• Mass Save® whole-home heat pump rebates — the core incentive for converting your primary heating to heat pumps, with substantially larger amounts for income-eligible households.
• The Mass Save HEAT Loan — 0% financing for qualifying efficiency work, one of the best consumer financing programs in the country.
• Heavily subsidized insulation and air sealing — historically covering the majority of approved insulation costs, and often a prerequisite worth doing first anyway.
• Municipal utility programs — if you're in a municipal-light-plant town (not Eversource/National Grid), your utility runs its own offers with different rules.

The order of operations matters

• Start with the no-cost home energy assessment — it's the doorway to nearly everything Mass Save offers.
• Do the weatherization first when recommended: it can be required for whole-home rebates, and it shrinks the heat pump your home needs (a smaller, cheaper system).
• Get equipment and contractor eligibility confirmed BEFORE installation — retroactive applications are where dreams go to die.
• Check income-eligible tiers even if you assume you don't qualify — the thresholds surprise people.

What a conversion actually looks like

A typical oil-heated Massachusetts home converting to cold-climate heat pumps sees the biggest one-two punch in home energy: rebate-subsidized insulation, then a whole-home system that cuts heating costs sharply while adding air conditioning the house never had. With the HEAT Loan or a $0-down monthly plan, many households are cash-flow positive early.

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