Bosch TW025-1***-*****CvsYork QZ048-1CSN-*****A
Side-by-side geothermal heat pump comparison
Bosch TW025-1***-*****C
EER
21.9–26.8BTU/Wh
COP
3.40–4.20
Refrigerant
Other
Rated Across
2loop types
York QZ048-1CSN-*****A
EER
21–26.7BTU/Wh
COP
4.30–5.10
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 26.8 vs 26.7 BTU/Wh. The Bosch TW025-1***-*****C is larger at 26.8 BTU/Wh versus 26.7 BTU/Wh.
Efficiency
| Spec | Bosch | York |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 26.8 | 26.7 |
| EER (worst configuration)(BTU/Wh) | 21.9 | 21 |
| COP (best configuration) | 4.20 | 5.10 |
| COP (worst configuration) | 3.40 | 4.30 |
Configuration
| Spec | Bosch | York |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 4 |
| Model Name | TW | CP/RP Split |
| Refrigerant | Other | Other |