Bosch RF009-1VT/HZN-*****AvsYork QW122-1CS/US*******C
Side-by-side geothermal heat pump comparison
Bosch RF009-1VT/HZN-*****A
EER
17.5–23BTU/Wh
COP
3.60–4.50
Refrigerant
Other
Rated Across
2loop types
York QW122-1CS/US*******C
EER
18.7–22.9BTU/Wh
COP
3.30–3.80
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 23.0 vs 22.9 BTU/Wh. The Bosch RF009-1VT/HZN-*****A is larger at 23 BTU/Wh versus 22.9 BTU/Wh.
Efficiency
| Spec | Bosch | York |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 23 | 22.9 |
| EER (worst configuration)(BTU/Wh) | 17.5 | 18.7 |
| COP (best configuration) | 4.50 | 3.80 |
| COP (worst configuration) | 3.60 | 3.30 |
Configuration
| Spec | Bosch | York |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 2 |
| Model Name | RF | TW |
| Refrigerant | Other | Other |