W-65-HACW-X-1T-**-**
Nordic · Geothermal Heat Pump
ENERGY STAR CertifiedGeothermal Heat Pumps →
EER
16.2–21.2BTU/Wh
COP
3.10–3.70
Refrigerant
Other
Rated Across
2loop types
Low EERENERGY STAR Most Efficient
Nordic W-65-HACW-X-1T-**-**: EER 21.2 BTU/Wh, lower than 83% of geothermal heat pumps (category median 24.1 BTU/Wh).
Where this model sits
EER21.2BTU/Wh
16.1median 24.147.6
Lower than 83% of geothermal heat pumps.
COP3.70
3.10median 4.405.60
The Nordic W-65-HACW-X-1T-**-** is a 21.2 BTU/Wh geothermal heat pump using Other. At 21.2 BTU/Wh it ranks in the bottom 16% of the 2,204 certified geothermal heat pumps models.
Specifications
| Efficiency | |
|---|---|
| EER (best configuration) | 21.2BTU/Wh |
| EER (worst configuration) | 16.2BTU/Wh |
| COP (best configuration) | 3.70 |
| COP (worst configuration) | 3.10 |
| Configuration | |
| Loop Types Rated | 2 |
| Total Configurations Rated | 2 |
| Model Name | W |
| Refrigerant | Other |
All 14 specifications
| Identifiers | |
|---|---|
| Model Number | W-65-HACW-X-1T-**-** |
| ENERGY STAR ID | ES_1082806_W-65-HACW-X-1T-**-**_07172026110005_01218687504 |
| Partner | Maritime Geothermal Ltd. |
| Date Qualified | 2026-07-21 |
| Available From | 2026-01-01 |
| Markets | United States, Canada |
Documentation
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