Bosch-Geo BP042-1VT*******BvsCentury MZ(L/R/B/P/T/K)042A
Side-by-side geothermal heat pump comparison
Bosch-Geo BP042-1VT*******B
EER
19.4–25.6BTU/Wh
COP
3.70–4.70
Refrigerant
R-410A
Rated Across
2loop types
Century MZ(L/R/B/P/T/K)042A
EER
20.4–25.7BTU/Wh
COP
3.80–4.40
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 25.6 vs 25.7 BTU/Wh. The Century MZ(L/R/B/P/T/K)042A is larger at 25.7 BTU/Wh versus 25.6 BTU/Wh.
Efficiency
| Spec | Bosch-Geo | Century |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 25.6 | 25.7 |
| EER (worst configuration)(BTU/Wh) | 19.4 | 20.4 |
| COP (best configuration) | 4.70 | 4.40 |
| COP (worst configuration) | 3.70 | 3.80 |
Configuration
| Spec | Bosch-Geo | Century |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 2 |
| Model Name | BP042 | Tranquility 24 Versatile Two-Stage |
| Refrigerant | R-410A | Other |