Enertech EVT042*vsViessmann 100-WA-AP1T052038
Side-by-side geothermal heat pump comparison
Enertech EVT042*
EER
23.4–29.3BTU/Wh
COP
4.40–5
Refrigerant
Other
Rated Across
2loop types
Viessmann 100-WA-AP1T052038
EER
22.9–29.4BTU/Wh
COP
4.20–5.10
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 29.3 vs 29.4 BTU/Wh. The Viessmann 100-WA-AP1T052038 is larger at 29.4 BTU/Wh versus 29.3 BTU/Wh.
Efficiency
| Spec | Enertech | Viessmann |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 29.3 | 29.4 |
| EER (worst configuration)(BTU/Wh) | 23.4 | 22.9 |
| COP (best configuration) | 5 | 5.10 |
| COP (worst configuration) | 4.40 | 4.20 |
Configuration
| Spec | Enertech | Viessmann |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 2 |
| Model Name | VT Series | Vitocal 100-WA |
| Refrigerant | Other | Other |