The Sponsors of Mass Save® are announcing updates to the Commercial Heating and Cooling heat pump rebate and incentive amounts, and commitment letter expiration period. These changes have been carefully considered in order to appropriately disperse funding through the duration of the 2025-2027 Energy Efficiency and Decarbonization Plan. Effective immediately, Rebate Commitment Letters will be issued with a 6-month expiration period vs 12-month. Effective January 1, 2026, Commercial heat pump rebate amounts for existing buildings will be as follows:
