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Home Energy Rebates in Boston

Complete guide to Mass Save rebates for Boston homeowners in 2026 — heat pumps, insulation, solar, and battery storage, with exactly how each one works.

Massachusetts's capital and largest city, and the anchor of the Eversource-served Boston Basin.

What Boston homeowners can claim

Mass Save funds nearly all residential energy rebates across Massachusetts, including Boston. All amounts below are in US dollars.

🔥 Heat Pump

$8,500–$9,500

$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

75–100% off

75% covered for all Boston homeowners. Income-eligible households (under 60% AMI) pay $0.

☀️ Solar (SMART 3.0)

Per-kWh incentive

Locked-in production payment for 10–20 years once enrolled.

🔌 Battery Storage

$100/kWh + ongoing

Capacity rebate plus SMART storage adder and annual ConnectedSolutions payments.

💧 Water Heater

$750

Heat pump water heater rebate. ENERGY STAR certified equipment required.

🟩 Windows & Doors

$75/window

Replace single-pane windows with ENERGY STAR Most Efficient certified windows.

🚘 EV Charger

$250

Toward purchase and installation of a qualifying Level 2 home EV charger.

🌡️ Smart Thermostat

$100

Often installed free during your home energy assessment.

💰 HEAT Loan

0% interest

Up to $25,000, 0% interest, 0% fees, 7-year term.

📋 Home Energy Assessment

Free

Required first step to confirm what you qualify for.

How to claim it

  1. Schedule your free Mass Save home energy assessment
  2. Get quotes from Mass Save-participating contractors in Boston
  3. Work is installed
  4. Contractor or you file the rebate paperwork with Mass Save
  5. Rebate is applied at point of sale or reimbursed within weeks
Get an exact number: Fill out our free assessment tool to see your Boston-specific rebate estimate. Run your free assessment →

Boston-specific programs

Boston runs its own Solar Loan Pilot Program — a 0% interest, forgivable loan of up to $25,000 specifically for solar installations, stacking on top of Mass Save and SMART 3.0. Boston also runs Solarize Eastie, a targeted program with GreenRoots for low-income, immigrant, and renter households in East Boston.

Other Massachusetts cities

Worcester Springfield Cambridge Lowell

Next steps

View all Massachusetts rebate programs →, read our heat pump buyer's guide →, or if your neighboring town has its own electric department, see which Massachusetts towns aren't eligible for Mass Save →