System Type/Prescriptive Rebate
Air Source Heat Pump (ASHP) including Ductless Mini Splits and Dual Fuel Rooftop Units = $2,500 per ton
Variable Refrigerant Flow (VRF) including Multi Split and Rooftop Units = $3,500 per ton
Ground Source Geothermal = $4,500 per ton
Rebate Commitment Letters
As an assurance to business customers making the investment in qualifying energy-efficient upgrades, the sponsors of Mass Save and National Grid—through approved program contractors—are issuing letters of commitment that spell out the rebate the scope of work will qualify for upon completion.