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Efficiency Maine’s Residential Programs support Mainers with energy improvements ranging from lighting updates to whole-house retrofits. Upgrading to efficient light bulbs is an excellent way to start saving energy and Efficiency Maine discounts the price of energy efficient lighting at most major retailers. Heat pump technology can save hundreds of dollars per year on space and water heating. Rebates are available for Maine residents upgrading to ENERGY STAR® heat pump water heaters through our Water Heater Rebate Program. An incentive for the installation of a Ductless Heat Pump is available through our Home Energy Savings Program. Incentives are also available for home insulation and heating projects. Homeowners can get up to $1,500 towards improving the efficiency of their home and as well as finance energy efficiency projects through energy loans. These rebates and financing options may be added to rebates available to Summit Natural Gas residential customers.

Efficiency Maine also has a number of programs for multifamily properties.

Not sure where to start on your efficiency journey? We recommend getting an energy audit and checking out our Resources for Homeowners to learn more about your home’s performance. Read more about our programs and other incentives below.

Residential Programs

IMPROVEMENT PROGRAM NAME % COVERED CAP
1 Air Sealing, Home Insulation, and Heating System Projects Home Energy Savings Program Details on program page $1,500
2 Home Energy Upgrade Financing (1-4 unit buildings) Energy Loans 100% $25,000
3 Heat Pump Water Heaters Water Heater Rebate Program $300
4 ENERGY STAR® CFL and LED Lights Residential Lighting Program Reduced prices at retailers statewide
5 Electricity Monitor Loaner from Local Libraries Electricity Monitor Loaner Program Free Free

Other Incentives

DESCRIPTION SOURCE % COVERED CAP
1 Air Sealing; Energy Audits; Natural Gas Boilers, Furnaces, and Water Heaters Summit Natural Gas 50-100% $300-$1,500
2 Building envelope energy improvement materials Federal tax credit(expired 12/31/13) 100% $500
3 Heat pump federal tax credit Federal tax credit
(expired 12/31/13)
100% $300
4 Heat pump water heater with Energy Factor ≥ 2.0 Federal tax credit
(expired 12/31/13)
100% $300
5 Wood or wood pellet stoves
with >75% thermal
efficiency rating
Federal tax credit
(expired 12/31/13)
100% $300
6 Natural gas, propane, or oil water heater with energy factor of >0.82 or a thermalefficiency >90% Federal tax credit
(expired 12/31/13)
100% $300
7 Natural gas, propane, or oil furnace or boiler with
an AFUE > 95
Federal tax credit
(expired 12/31/13)
100% $150
8 Solar/Wind/Geothermal Systems Federal tax credit
(expires 12/31/16)
30% No cap

All Programs Brochure(PDF) available for download.

We make our best effort to display current information on these incentives, but cannot guarantee accuracy. Programs subject to change. Incentives available while funds last.