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Mass Save air source heat pump HVAC replacement rebate
Mass Save's 2026 Air Source Heat Pump Rebates page lists rebates for eligible air source heat pump projects that replace or supplement qualifying heating systems: whole-home at $2,650 per ton up to $8,500, partial-home at $1,125 per ton up to $8,500, basic at $250 per ton up to $2,500, and income-based enhanced incentives up to $16,000 or up to no cost through Turnkey Services.
Official program