GeoComfort GZS018*****1BvsYork Y5WZ060BS1*
Side-by-side geothermal heat pump comparison
GeoComfort GZS018*****1B
EER
20.5BTU/Wh
COP
3.80
Refrigerant
R-410A
York Y5WZ060BS1*
EER
16.1–20.4BTU/Wh
COP
3.10–3.80
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 20.5 vs 20.4 BTU/Wh. The GeoComfort GZS018*****1B is larger at 20.5 BTU/Wh versus 20.4 BTU/Wh.
Efficiency
| Spec | GeoComfort | York |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 20.5 | 20.4 |
| EER (worst configuration)(BTU/Wh) | 20.5 | 16.1 |
| COP (best configuration) | 3.80 | 3.80 |
| COP (worst configuration) | 3.80 | 3.10 |
Configuration
| Spec | GeoComfort | York |
|---|---|---|
| Loop Types Rated | 1 | 2 |
| Total Configurations Rated | 1 | 2 |
| Model Name | Ion | Affinity |
| Refrigerant | R-410A | Other |