How much you get
$8,500–$9,500 — $2,650 per ton, capped at $8,500, plus sizing and weatherization bonuses. Income-qualified households can get up to $16,000 for air-source or $25,000 for ground-source. Only R-32 or R-454B refrigerant systems qualify — R-410A heat pumps stopped being eligible as of January 1, 2026.
Installers
Heat Pump installers in Somerville
Real companies serving Somerville, pulled from their current Google reviews. We're not paid to list anyone here.
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Common questions
How much is the Mass Save heat pump rebate in Somerville?
$2,650 per ton, capped at $8,500 for most households. If you're income-qualified, that jumps to $16,000 for air-source or $25,000 for ground-source. Only R-32 or R-454B refrigerant systems qualify as of January 1, 2026 — older R-410A units are no longer eligible.
Do I need a home energy assessment first in Somerville?
Yes. Mass Save requires a free home energy assessment before any rebate is approved — it's the required first step that confirms exactly what you qualify for.
Next steps
View all Somerville rebate programs → or check the official Mass Save site → for the current source of truth.