More than 30,000 ductless heat pumps have been installed in homes and businesses across Maine over the past five years. Efficiency Maine offers rebates of $500 to $750 for qualifying heat pumps.
Rebate
$500 for first indoor unit
$250 for second indoor unit
Eligibility
Minimum efficiency (HSPF, according to AHRI) of 12.0 for systems with one indoor unit or 10.0 for systems with more than one indoor unit.
Installed according to the Ductless Heat Pump Installation Checklist
Upgrades completed within the last:
12 months (for upgrades completed on or after January 1, 2018)
24 months (for upgrades completed before January 1, 2018)
Most Maine homes are heated with a forced hot water boiler, a steam boiler or a forced hot air furnace. Efficiency Maine offers rebates and financing for homeowners installing high-efficiency heating equipment.
| # | Fuel | System | Efficiency (AFUE*) | Rebate |
| 1 | Oil & Kerosene | Boiler | ≥ 87 | $500 |
| 2 | Oil & Kerosene | Furnace | ≥ 85 | $500 |
| 3 | Propane & Summit Natural Gas | Boiler | ≥ 90 | $500 |
| 4 | Propane & Summit Natural Gas | Furnace | ≥ 95 | $500 |
| 5 | Natural Gas** | Boiler (heat only) | ≥ 90 | $500 |
| 6 | Natural Gas** | Boiler (combi) | ≥ 90 | $1,000 |
| 7 | Natural Gas** | Furnace | ≥ 95 | $1,000 |
*AFUE (Annual Fuel Utilization Efficiency) as listed with AHRI or ENERGY STAR®.
**Natural gas from Maine Natural Gas, Bangor Natural Gas, or Unitil.
Eligibility
Homeowners of any income
For propane and natural gas systems, upgrades must be installed between January 1, 2018 and December 31, 2018, and rebate claim forms postmarked or emailed by January 31, 2019
For oil and kerosene systems, upgrades must completed within the last:
12 months (for upgrades completed on or after January 1, 2018) and rebate claim forms postmarked or emailed by July 31, 2019.
24 months (for upgrades completed before January 1, 2018) and rebate claim forms postmarked or emailed by July 31, 2019.
