Enertech EZT030*vsWaterFurnace NSV/NSH018J1*(1,4)
Side-by-side geothermal heat pump comparison
Enertech EZT030*
EER
20.9–26.1BTU/Wh
COP
3.80–4.50
Refrigerant
Other
Rated Across
2loop types
WaterFurnace NSV/NSH018J1*(1,4)
EER
18.3–26BTU/Wh
COP
3.80–4.60
Refrigerant
R-410A
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 26.1 vs 26.0 BTU/Wh. The Enertech EZT030* is larger at 26.1 BTU/Wh versus 26 BTU/Wh.
Efficiency
| Spec | Enertech | WaterFurnace |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 26.1 | 26 |
| EER (worst configuration)(BTU/Wh) | 20.9 | 18.3 |
| COP (best configuration) | 4.50 | 4.60 |
| COP (worst configuration) | 3.80 | 3.80 |
Configuration
| Spec | Enertech | WaterFurnace |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 2 |
| Model Name | ZT Series | 5 Series |
| Refrigerant | Other | R-410A |