Mass Save heat pump Rebates
Rebates are based on whether the heat pump system will be serving the whole-home or partial-home.
Whole-home rebates are available to customers who install heat pumps as the sole source of heating and cooling. See the Whole-Home Heat Pump Verification Form for details.
Partial-home rebates are offered based on equipment size (tonnage) to customers who plan to keep an existing boiler or furnace in place to supplement a new heat pump system.
Air-Source Heat Pump rebates have changed as of January 1, 2025
The above changes are effective for installations that take place on or after January 1, 2025.
The whole-home heat pump rebate incentive is $3,000 per ton, capped at $10,000.
Customers in 5+ unit homes are eligible to receive the whole-home rebate, provided all requirements noted on whole-home verification form can be met.
All other whole-home heat pump requirements remain the same. There are no changes to the partial-home rebate, which will remain at $1,250 per ton, capped at $10,000.
Eligibility
Whole-Home Rebates: Homes must be sufficiently weatherized prior to heat pump installation2 and a Whole-Home Heat Pump Verification Form must be completed and signed.
Rebate form and supporting documentation must be received by February 28, 2026.
Please note, this rebate is only available to residences that are occupied full time during the winter heating season. Rebate cannot be combined with other Mass Save incentives for the same equipment. Rebate amount not to exceed total installation cost. Sponsor reserves the right to conduct a verification inspection prior to rebate payment. Please allow eight weeks for rebate processing. Sponsor does not warrant the performance of installed equipment. See Terms and Conditions for full requirements.
Sufficient weatherization can be demonstrated by satisfying at least one of the following requirements: (A) home was built during or after 2000, (B) Home Energy Assessment report indicates less than $1,000 worth of weatherization recommended, or (C) weatherization recommendations made during or after 2013 have been completed. Heat pumps installed for whole-home heating and cooling that do not meet the weatherization requirement may be eligible for partial-home rebate amounts.
Customers in municipal electric territories are eligible for heat pump rebates if they are a natural gas heating customer of one of the Sponsors of Mass Save. Customers with municipal gas heating are not eligible for heat pump rebates.