GeoComfort GZS015*****1BvsYork Y5WZ120BD1*
Side-by-side geothermal heat pump comparison
GeoComfort GZS015*****1B
EER
20.3BTU/Wh
COP
3.90
Refrigerant
R-410A
York Y5WZ120BD1*
EER
16.8–20.2BTU/Wh
COP
3.10–3.70
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 20.3 vs 20.2 BTU/Wh. The GeoComfort GZS015*****1B is larger at 20.3 BTU/Wh versus 20.2 BTU/Wh.
Efficiency
| Spec | GeoComfort | York |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 20.3 | 20.2 |
| EER (worst configuration)(BTU/Wh) | 20.3 | 16.8 |
| COP (best configuration) | 3.90 | 3.70 |
| COP (worst configuration) | 3.90 | 3.10 |
Configuration
| Spec | GeoComfort | York |
|---|---|---|
| Loop Types Rated | 1 | 2 |
| Total Configurations Rated | 1 | 2 |
| Model Name | Element | Affinity |
| Refrigerant | R-410A | Other |