Climatemaster SE(L/R/B/P/D/N/T/K)012AvsYORK BY JOHNSON CONTROLS YAFS042**1*(1,2,4)*K
Side-by-side geothermal heat pump comparison
Climatemaster SE(L/R/B/P/D/N/T/K)012A
EER
19.5–28.3BTU/Wh
COP
3.60–4.30
Refrigerant
Other
Rated Across
2loop types
YORK BY JOHNSON CONTROLS YAFS042**1*(1,2,4)*K
EER
21.7–28.1BTU/Wh
COP
4–4.90
Refrigerant
R-410A
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 28.3 vs 28.1 BTU/Wh. The Climatemaster SE(L/R/B/P/D/N/T/K)012A is larger at 28.3 BTU/Wh versus 28.1 BTU/Wh.
Efficiency
| Spec | Climatemaster | YORK BY JOHNSON CONTROLS |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 28.3 | 28.1 |
| EER (worst configuration)(BTU/Wh) | 19.5 | 21.7 |
| COP (best configuration) | 4.30 | 4.90 |
| COP (worst configuration) | 3.60 | 4 |
Configuration
| Spec | Climatemaster | YORK BY JOHNSON CONTROLS |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 2 |
| Model Name | Tranquility Premier Series | Affinity |
| Refrigerant | Other | R-410A |
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