Massachusetts Energy Rebates Guide 2026

Mass Save - The Gold Standard

Massachusetts' Mass Save program, funded by all major utilities, is widely considered the best statewide efficiency program in the country. It covers 75-100% of insulation costs and offers up to $10,000 for whole-home heat pump systems.

Browse all Massachusetts rebates

Mass Save Heat Pump Rebates

Up to $10,000 for whole-home air-source heat pumps. Ductless mini-splits get $1,250-$10,000 depending on scope. See heat pump details

Mass Save Insulation

After a free home energy assessment, Mass Save covers 75-100% of insulation costs with no cap for most homes. This is the most generous insulation program in the nation. See insulation programs

Solar and Storage

Mass Solar Loan provides below-market financing, and the SMART program provides performance-based incentives. See MA solar rebates

Frequently Asked Questions

Mass Save is a collaborative of Massachusetts utilities and energy efficiency service providers. It offers free energy assessments, rebates covering 75-100% of insulation, and up to $10,000 for heat pumps.

Yes, Mass Save provides free home energy assessments to all Massachusetts utility customers. The auditor identifies savings opportunities and you receive a customized rebate plan.

Yes! Mass Save rebates stack with federal IRA tax credits. For example, you could get $10,000 from Mass Save for a heat pump plus the $2,000 federal 25C credit.