Mass Save, a collaborative effort led by the state’s investor-owned utilities and the Cape Light Compact, provides incentives for heat pumps in Massachusetts. It operates a comprehensive set of statewide programs, including providing rebates for ductless heat pumps and ducted heat pumps. Mass Save has two tiers of incentives for residential heat pumps: standard incentives (for customers who want to cool their home, want to heat and/or cool a part of their home, or heat with gas) and fuel optimization incentives. The latter, which began in 2019, are for customers who install heat pumps to displace or replace their delivered fuel or electric resistance central heating system.
Standard rebates are $250 per ton of capacity. Optimization rebates are $1,250 per ton. Incentive levels for both standard and fuel optimization heat pump measures were standardized in 2020. Mass Save also offers integrated controls as a standalone measure for customers who already have heat pumps installed. Incentives are also available for business customers, but these are treated as custom measures at present.