Comfort-Aire MZ(L/R/B/P/T/K)036AvsYork QW049-1***-*****C
Side-by-side geothermal heat pump comparison
Comfort-Aire MZ(L/R/B/P/T/K)036A
EER
19.5–23.1BTU/Wh
COP
3.90–4.30
Refrigerant
Other
Rated Across
2loop types
York QW049-1***-*****C
EER
18.9–23BTU/Wh
COP
3.50–4.20
Refrigerant
Other
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 23.1 vs 23.0 BTU/Wh. The Comfort-Aire MZ(L/R/B/P/T/K)036A is larger at 23.1 BTU/Wh versus 23 BTU/Wh.
Efficiency
| Spec | Comfort-Aire | York |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 23.1 | 23 |
| EER (worst configuration)(BTU/Wh) | 19.5 | 18.9 |
| COP (best configuration) | 4.30 | 4.20 |
| COP (worst configuration) | 3.90 | 3.50 |
Configuration
| Spec | Comfort-Aire | York |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 2 |
| Model Name | Tranquility 24 Versatile Two-Stage | TW |
| Refrigerant | Other | Other |