Bosch SM048-1CS*-*****AvsCentury HZS036B
Side-by-side geothermal heat pump comparison
Bosch SM048-1CS*-*****A
EER
20–26.5BTU/Wh
COP
3.90–4.80
Refrigerant
R-410A
Rated Across
2loop types
Century HZS036B
EER
20.4–26.6BTU/Wh
COP
3.90–4.70
Refrigerant
R-410A
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 26.5 vs 26.6 BTU/Wh. The Century HZS036B is larger at 26.6 BTU/Wh versus 26.5 BTU/Wh.
Efficiency
| Spec | Bosch | Century |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 26.5 | 26.6 |
| EER (worst configuration)(BTU/Wh) | 20 | 20.4 |
| COP (best configuration) | 4.80 | 4.70 |
| COP (worst configuration) | 3.90 | 3.90 |
Configuration
| Spec | Bosch | Century |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 6 | 6 |
| Model Name | SM Split | Tranquility 27 Split Digital |
| Refrigerant | R-410A | R-410A |