- Open systems
- Heating COPh ≥ 3.6 with 10°C entering water
- Cooling COPc ≥ 4.75 with 15°C entering water
- Closed loop systems
- Heating COPh ≥ 3.1 with 0°C entering water
- Cooling COPc ≥ 3.93 with 25°C entering water

The newly installed system must meet the following criteria:
- Compressor must be of variable capacity with three or more distinct operating speeds, or continuously variable speed
- Minimum total rated heating capacity at 8.3 °C of 3.52 kW (12,000 BTU/h)
- HSPF (AHRI Climate Region Zone IV) ≥ 10
- Central system or minimum three indoor heads for ductless
- COP ≥ 1.8 at -15 °C (5 °F) (at maximum capacity operation);
- Capacity maintenance (Max -15 °C (5 °F)/Rated 8.3 °C (47 °F)) ≥ 70%

The newly installed system must meet the following criteria:
- Minimum total rated heating capacity at 8.3 °C of 3.52 kW (12,000 Btu/h)
- HSPF (AHRI Climate Region Zone IV) ≥ 10
- Central ducted system or minimum three indoor heads for ductless units

The newly installed system must meet the following criteria:
- Minimum total rated heating capacity at 8.3 °C of 3.52 kW (12,000 Btu/h)
- HSPF (AHRI Climate Region Zone IV) ≥ 10
- Two indoor heads ductless unit
In addition, the cold climate air source heat pump (ccASHP) system must meet the following criteria:
- Compressor must be of variable capacity with three or more distinct operating speeds, or continuously variable speed
- COP ≥ 1.8 at -15 °C (5 °F) (at maximum capacity operation);
- Capacity maintenance (Max -15 °C (5 °F)/Rated 8.3 °C (47 °F)) ≥ 70%

Replace domestic water heater with an ENERGY STAR® certified domestic hot water heat pump. Energy efficiency performance and installation:
- Capacity ≤ 55 gal
- EF ≥ 2.00 with FHR ≥ 50 gallons per hour or UEF ≥ 2.00 FHR ≥ 45 gallons per hour
- Capacity > 55 gal
-EF ≥ 2.20 FHR ≥ 50 gallons per hour or UEF ≥ 2.20 FHR ≥ 45 gallons per hour

1000/ kW