TETCO TVS036vsWaterFurnace NSW040*1
Side-by-side geothermal heat pump comparison
TETCO TVS036
EER
18–23.5BTU/Wh
COP
3.90–4.60
Refrigerant
R-410A
Rated Across
2loop types
WaterFurnace NSW040*1
EER
17.5–23.4BTU/Wh
COP
3.10–3.90
Refrigerant
R-410A
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 23.5 vs 23.4 BTU/Wh. The TETCO TVS036 is larger at 23.5 BTU/Wh versus 23.4 BTU/Wh.
Efficiency
| Spec | TETCO | WaterFurnace |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 23.5 | 23.4 |
| EER (worst configuration)(BTU/Wh) | 18 | 17.5 |
| COP (best configuration) | 4.60 | 3.90 |
| COP (worst configuration) | 3.90 | 3.10 |
Configuration
| Spec | TETCO | WaterFurnace |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 2 |
| Model Name | ES4 | 5 SERIES |
| Refrigerant | R-410A | R-410A |