WaterFurnace NDZ049J1vsYORK BY JOHNSON CONTROLS YAFS022**1*(1,4)****J
Side-by-side geothermal heat pump comparison
WaterFurnace NDZ049J1
EER
21.9–27.6BTU/Wh
COP
4.20–4.80
Refrigerant
R-410A
Rated Across
2loop types
YORK BY JOHNSON CONTROLS YAFS022**1*(1,4)****J
EER
18.7–27.5BTU/Wh
COP
4–5
Refrigerant
R-410A
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 27.6 vs 27.5 BTU/Wh. The WaterFurnace NDZ049J1 is larger at 27.6 BTU/Wh versus 27.5 BTU/Wh.
Efficiency
| Spec | WaterFurnace | YORK BY JOHNSON CONTROLS |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 27.6 | 27.5 |
| EER (worst configuration)(BTU/Wh) | 21.9 | 18.7 |
| COP (best configuration) | 4.80 | 5 |
| COP (worst configuration) | 4.20 | 4 |
Configuration
| Spec | WaterFurnace | YORK BY JOHNSON CONTROLS |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 4 | 2 |
| Model Name | 5 Series (Indoor Split) | Affinity |
| Refrigerant | R-410A | R-410A |