GeoStar G5WZ120BD1*vsYork Y5WZ060BE1*
Side-by-side geothermal heat pump comparison
GeoStar G5WZ120BD1*
EER
16.8–20.2BTU/Wh
COP
3.10–3.70
Refrigerant
Other
Rated Across
2loop types
York Y5WZ060BE1*
EER
16.1–20.1BTU/Wh
COP
3.20–3.70
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 20.2 vs 20.1 BTU/Wh. The GeoStar G5WZ120BD1* is larger at 20.2 BTU/Wh versus 20.1 BTU/Wh.
Efficiency
| Spec | GeoStar | York |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 20.2 | 20.1 |
| EER (worst configuration)(BTU/Wh) | 16.8 | 16.1 |
| COP (best configuration) | 3.70 | 3.70 |
| COP (worst configuration) | 3.10 | 3.20 |
Configuration
| Spec | GeoStar | York |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 2 |
| Model Name | ASTON | Affinity |
| Refrigerant | Other | Other |