Efficiency Maine Rebates (Heat Pump Water Heaters)

Efficiency Maine Rebates (Heat Pump Water Heaters) is sponsored by Efficiency Maine Trust. Efficiency Maine offers rebates for heat pump water heaters as an instant discount at participating distributors and retailers.

Heat Pump Water Heater Incentives - Efficiency Maine Biomass Boilers and Furnaces Geothermal Heat Pump Rebates Income-Based Eligibility Verification Residential Forms and Brochures Best Heat Pump Water Heater Deals Compare Your Home’s Overall Energy Efficiency Compare Home Heating Costs Compare Water Heating Costs Electricity Monitor Loaners Lighting Savings Calculator Heating, Ventilation, and Air Conditioning (HVAC) Multifamily Weatherization Heating, Ventilation, and Air Conditioning (HVAC) Multifamily Weatherization Architecture and Engineering (A&E) Firms Become A Qualified Partner Commercial Heating Calculator Commercial and Industrial Prescriptive Incentives Commercial and Industrial Custom Commercial Property Assessed Clean Energy (C-PACE) Small Business Energy Loans Virtual Customer Consultations Commercial Property Assessed Clean Energy (C-PACE) Long-Term Care Facility Loans Mobile Home Initiative Loans Small Business Energy Loans Residential Forms and Brochures Resources for Municipalities Limited time offer until 6/30/2026 Tens of thousands of Mainers own heat pump water heaters.

They’re popular because they produce lots of hot water, help dehumidify, and can save more than $500 per year in electricity. * Click here to learn more about this technology, including installation considerations. For information on heavy duty commercial heat pump water heaters, click here .

Efficiency Maine offers five ways to get the best pricing in Maine: Home Depot – $349 after $1,200 instant discount ** Granite Group – $349 after instant discount Lowe’s – $350 after $1,200 instant discount ** Selco – $399 after instant discount Plumbers can get an instant discount from participating distributors . Heat pump water heaters purchased without an instant discount qualify for a $1,150 mail-in rebate.

*Compared to a traditional electric water heater as shown on Efficiency Maine’s Compare Water Heating Costs calculator as of 5/21/2026. Your results may differ. **Prices of 50-gallon heat pump water heaters as of 5/21/2026.

To get an instant discount at Lowe’s or Home Depot, scan in-store QR code or follow the link listed on the in-store displays. If using mail-in rebate form , it must be emailed or postmarked within six months of purchase and a copy of receipt/invoice from retailer or wholesaler (not installer) showing purchase date, price, and model number must be attached.

New and installed in Maine ENERGY STAR ® certified of any tank size Unit does not need to be installed by a Residential Registered Vendor. W-9 needed if mail-in rebate is for a business Efficiency Maine instant discounts cannot be combined with Efficiency Maine mail-in rebates. One heat pump water heater rebate or instant discount per installation address per calendar year.

Incentive not to exceed purchase price. Instant discount only valid at participating distributors and retailers. Efficiency Maine does not guarantee product performance.

Program is subject to change or termination without notice. Incomplete information may delay or disqualify your rebate. Mail-In Rebate Claim Form Frequently Asked Questions