Century MJN048AvsYork QZ048-1CSN-*****A
Side-by-side geothermal heat pump comparison
Century MJN048A
EER
19.3–26.8BTU/Wh
COP
3.80–4.50
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 Century MJN048A is larger at 26.8 BTU/Wh versus 26.7 BTU/Wh.
Efficiency
| Spec | Century | York |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 26.8 | 26.7 |
| EER (worst configuration)(BTU/Wh) | 19.3 | 21 |
| COP (best configuration) | 4.50 | 5.10 |
| COP (worst configuration) | 3.80 | 4.30 |
Configuration
| Spec | Century | York |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 4 | 4 |
| Model Name | TRANQUILITY 27 DIGITAL SPLIT | CP/RP Split |
| Refrigerant | Other | Other |