Bosch RP048-1CSC-*****AvsComfort-Aire HZS048B
Side-by-side geothermal heat pump comparison
Bosch RP048-1CSC-*****A
EER
20.9–26.3BTU/Wh
COP
4.10–4.90
Refrigerant
Other
Rated Across
2loop types
Comfort-Aire HZS048B
EER
19.3–26.2BTU/Wh
COP
3.80–4.40
Refrigerant
R-410A
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 26.3 vs 26.2 BTU/Wh. The Bosch RP048-1CSC-*****A is larger at 26.3 BTU/Wh versus 26.2 BTU/Wh.
Efficiency
| Spec | Bosch | Comfort-Aire |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 26.3 | 26.2 |
| EER (worst configuration)(BTU/Wh) | 20.9 | 19.3 |
| COP (best configuration) | 4.90 | 4.40 |
| COP (worst configuration) | 4.10 | 3.80 |
Configuration
| Spec | Bosch | Comfort-Aire |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 6 | 6 |
| Model Name | CP/RP Split | Tranquility 27 Split Digital |
| Refrigerant | Other | R-410A |