What Cambridge homeowners can claim
Mass Save funds nearly all residential energy rebates across Massachusetts, including Cambridge. All amounts below are in US dollars.
🔥 Heat Pump
$2,650/ton, capped at $8,500, plus sizing and weatherization bonuses. Income-qualified: up to $16,000 (air-source) or $25,000 (ground-source).
🟫 Insulation & Air Sealing
75% covered for all Cambridge homeowners. Income-eligible households (under 60% AMI) pay $0.
☀️ Solar (SMART 3.0)
Locked-in production payment for 10–20 years once enrolled.
🔌 Battery Storage
Capacity rebate plus SMART storage adder and annual ConnectedSolutions payments.
💧 Water Heater
Heat pump water heater rebate. ENERGY STAR certified equipment required.
🟩 Windows & Doors
Replace single-pane windows with ENERGY STAR Most Efficient certified windows.
🚘 EV Charger
Toward purchase and installation of a qualifying Level 2 home EV charger.
🌡️ Smart Thermostat
Often installed free during your home energy assessment.
💰 HEAT Loan
Up to $25,000, 0% interest, 0% fees, 7-year term.
📋 Home Energy Assessment
Required first step to confirm what you qualify for.
How to claim it
- Schedule your free Mass Save home energy assessment
- Get quotes from Mass Save-participating contractors in Cambridge
- Work is installed
- Contractor or you file the rebate paperwork with Mass Save
- Rebate is applied at point of sale or reimbursed within weeks
Cambridge-specific programs
Cambridge waives certain permitting fees for heat pump installations, on top of standard Mass Save rebates. The Cambridge Energy Alliance also partners directly with Mass Save as a local resource to help residents navigate incentives and find contractors.
Other Massachusetts cities
Lowell Brockton New Bedford Quincy
Next steps
View all Massachusetts rebate programs → or read our heat pump buyer's guide →