EZT042*
Enertech · Geothermal Heat Pump
ENERGY STAR CertifiedGeothermal Heat Pumps →
EER
22.7–28.5BTU/Wh
COP
3.90–4.50
Refrigerant
Other
Rated Across
2loop types
High EERENERGY STAR Most Efficient
Enertech EZT042*: EER 28.5 BTU/Wh, better than 91% of geothermal heat pumps (category median 24.1 BTU/Wh).
Where this model sits
EER28.5BTU/Wh
16.1median 24.147.6
Better than 91% of geothermal heat pumps.
COP4.50
3.10median 4.405.60
The Enertech EZT042* is a 28.5 BTU/Wh geothermal heat pump using Other. At 28.5 BTU/Wh it ranks better than 92% of the 2,204 certified geothermal heat pumps models.
Specifications
| Efficiency | |
|---|---|
| EER (best configuration) | 28.5BTU/Wh |
| EER (worst configuration) | 22.7BTU/Wh |
| COP (best configuration) | 4.50 |
| COP (worst configuration) | 3.90 |
| Configuration | |
| Loop Types Rated | 2 |
| Total Configurations Rated | 2 |
| Model Name | ZT Series |
| Refrigerant | Other |
All 14 specifications
| Identifiers | |
|---|---|
| Model Number | EZT042* |
| ENERGY STAR ID | ES_1062792_EZT042*_02182025173424_02216772582 |
| Partner | Enertech Global, LLC |
| Date Qualified | 2025-09-23 |
| Available From | 2025-01-01 |
| Markets | United States, Canada |
Documentation
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