WaterFurnace NVZ050*1vsWaterFurnace W7SZ048BV1**F
Side-by-side geothermal heat pump comparison
WaterFurnace NVZ050*1
EER
26.3–35BTU/Wh
COP
4.10–4.80
Refrigerant
R-410A
Rated Across
2loop types
WaterFurnace W7SZ048BV1**F
EER
25.5–35.2BTU/Wh
COP
4.10–4.80
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 35.0 vs 35.2 BTU/Wh. The WaterFurnace W7SZ048BV1**F is larger at 35.2 BTU/Wh versus 35 BTU/Wh.
Efficiency
| Spec | WaterFurnace | WaterFurnace |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 35 | 35.2 |
| EER (worst configuration)(BTU/Wh) | 26.3 | 25.5 |
| COP (best configuration) | 4.80 | 4.80 |
| COP (worst configuration) | 4.10 | 4.10 |
Configuration
| Spec | WaterFurnace | WaterFurnace |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 2 |
| Model Name | 7 Series | 7 SERIES SPLIT |
| Refrigerant | R-410A | Other |