Over 100,000 heat pumps have been installed in Maine and they are now more common than oil heat in new homes (source: 2021 Maine New Construction Baseline Assessment). They are the most popular heating system across all of Efficiency Maine’s rebates because they offer highly efficient heating, air conditioning, and dehumidification. Click here to find a contractor near you.
Incentives up to $10,600
- Federal Tax Credit up to $2,600 – Click here for details.
- Heat pumps up to $2,000
- 200+ amp circuit panels up to $600
- Efficiency Maine rebates up to $8,000
- Low income – 80% of project cost up to an $8,000 lifetime rebate limit
- Moderate income – 60% of project cost up to a $6,000 lifetime rebate limit
- Any income – 40% of project cost up to a $4,000 lifetime rebate limit
- Lifetime rebate limits are per housing unit. A housing unit is defined as having a dedicated kitchen, sleeping area, and bathroom.
Efficiency Maine Rebate Eligibility
- Only the costs of heat pumps with one indoor unit per outdoor unit (“single zone”) are eligible for a rebate. Both ductless and ducted indoor units are eligible.
- Heat pump indoor unit, outdoor unit (and air mover for ducted systems) combination is 25C federal tax credit eligible. Eligible units listed in:
- Heat pump(s) sized for at least 80% of home’s peak heating load
- Heat pump(s), combined with supplemental heat, sized for at least 100% of home’s peak heating load
- Installed according to the Heat Pump Installation Requirements Checklist
- Low-Income – Household member participates in MaineCare, HEAP, SNAP, or TANF and income eligibility verified here
- Moderate-Income – Homeowner’s Adjusted Gross Income (AGI) is up to $70,000 for individual tax filers, or $100,000 for joint filers and income eligibility verified here
- Any Income – Homeowner of any income
- Primary, fossil-fuel, space-heating system, if any, connected only to a generator or turned off with power switch covered. For homes with domestic hot water heated by a central boiler, all room thermostats must be covered and either turned off or all the way down.
- Single-family house, two-unit duplex, or condominium located in Maine. Click here for all other building types, including mixed-use commercial/residential.
- Existing or new construction
- Heated throughout heating season
- Homeowner principal residence (low- and moderate-income customers only)
- Heat pump(s) installed on or after 9/18/2023
- Rebate claim form emailed or postmarked within 6 months of project completion
Efficiency Maine Home Energy Loan Eligible?
- Yes, for low- and moderate-income customers. Click here for more details.
How to Get a Rebate
- Verify eligibility for enhanced low- and moderate-income rebates (if applicable)
- Hire a Residential Registered Vendor
- Reserve low- or moderate-income rebate (optional)
- Complete upgrade
- Submit rebate claim form
- Receive rebate check in mail
Terms and Conditions
Only one rebate will be paid for any given upgrade. Efficiency Maine does not warrant the performance of rebated upgrades. Program and incentives subject to change or termination. Please allow six weeks for rebate processing. Incomplete information may delay or disqualify your rebate. Efficiency Maine reserves the right to verify installation and perform an inspection.