Mass Save Rebates 2026: Maximize Incentives for Massachusetts New Construction
Mass Save rebates for new construction are based on the HERS score. HERS 55 or below: up to $2,500 per home. HERS 45 or below: up to $5,000 per home. A 10-unit multifamily achieving HERS 45 could receive up to $50,000 in Mass Save rebates.
Tips to Maximize Mass Save Rebates
Target HERS 45 or below, install heat pump HVAC, use spray foam for air sealing, and choose high-performance windows. HERS Rating Company’s plan review identifies the most cost-effective path to a lower HERS score.
Mass Save Service Areas
Boston | Worcester | Cambridge | All Mass Save Areas →. Call 617-584-1809.