Day & Night HB018V******1**2vsYork Y5SZ066BD1
Side-by-side geothermal heat pump comparison
Day & Night HB018V******1**2
EER
18.5–25.3BTU/Wh
COP
3.70–4.40
Refrigerant
R-410A
Rated Across
2loop types
York Y5SZ066BD1
EER
20.2–25.1BTU/Wh
COP
3.90–4.30
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 25.3 vs 25.1 BTU/Wh. The Day & Night HB018V******1**2 is larger at 25.3 BTU/Wh versus 25.1 BTU/Wh.
Efficiency
| Spec | Day & Night | York |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 25.3 | 25.1 |
| EER (worst configuration)(BTU/Wh) | 18.5 | 20.2 |
| COP (best configuration) | 4.40 | 4.30 |
| COP (worst configuration) | 3.70 | 3.90 |
Configuration
| Spec | Day & Night | York |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 4 |
| Model Name | HB | Affinity |
| Refrigerant | R-410A | Other |