75–100% off

Insulation & Air Sealing Rebates in Cambridge

Mass Save funds this program uniformly across Massachusetts, including Cambridge. Here's exactly how it works, plus local installers to call.

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How much you get

75–100% off — Mass Save covers 75% of the cost for all Massachusetts homeowners. If your household is under 60% of area median income, it's covered at 100% — you pay nothing.

Installers

Browse HVAC, solar, and electrical installers near Cambridge →

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Common questions

How much does insulation cost in Cambridge with Mass Save?

75% of the cost is covered for every Massachusetts homeowner, including Cambridge. If your household is under 60% of area median income, it's covered at 100% — free.

What does Mass Save insulation cover in Cambridge?

Attic, wall, and basement insulation plus air sealing, as part of your home energy assessment's recommendations.

Next steps

View all Cambridge rebate programs → or check the official Mass Save site → for the current source of truth.

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