TETCO TBT024vsViessmann 100-WA-AP1T040029
Side-by-side geothermal heat pump comparison
TETCO TBT024
EER
23–28.9BTU/Wh
COP
4.10–4.80
Refrigerant
R-410A
Rated Across
2loop types
Viessmann 100-WA-AP1T040029
EER
22–29.1BTU/Wh
COP
4.40–5.10
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 28.9 vs 29.1 BTU/Wh. The Viessmann 100-WA-AP1T040029 is larger at 29.1 BTU/Wh versus 28.9 BTU/Wh.
Efficiency
| Spec | TETCO | Viessmann |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 28.9 | 29.1 |
| EER (worst configuration)(BTU/Wh) | 23 | 22 |
| COP (best configuration) | 4.80 | 5.10 |
| COP (worst configuration) | 4.10 | 4.40 |
Configuration
| Spec | TETCO | Viessmann |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 4 | 2 |
| Model Name | BT Series | Vitocal 100-WA |
| Refrigerant | R-410A | Other |