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The following incentives are available for energy efficiency upgrades.

SolutionsEfficiency Maine Income-Eligible or Home-Value-Eligible Maximum IncentiveEfficiency Maine Any Income Maximum Incentive
Air Sealing and Energy Assessment$600$500
Clothes Washers$50$50
ECM Circulator Pumps$75 – $250$75 – $250
Electric Vehicles$2,000 – $7,500$500 – $1,000
Geothermal Systems$3,000$3,000
Heat Pump Water Heaters100% of installed cost$850 – $950
Heat Pumps$2,400$1,200
LED BulbsReduced prices at participating retailers and distributorsReduced prices at participating retailers and distributors
Natural Gas “Combi” Boilers*$300$300
Natural Gas On-Demand Water Heaters*$300$300
Pellet Boilers$6,000$6,000
Room Air Purifiers$25$25

* Rebate amounts and loan eligibility vary according to natural gas utility.

Eligibility requirements apply. Program and incentives subject to change or termination.


Efficiency Maine offers home energy loans to help pay for energy upgrades. Maine homeowners can borrow up to $15,000 over 10 years with no fees and interest rates as low as 4.99% APR. Electric vehicles are not eligible.

Non-Efficiency Maine Incentives

Natural gas utilities: Natural gas customers may be eligible for additional rebates from their utility. Contact your natural gas provider for more information.

2022 Federal Renewable Energy Tax Credits: