TETCO TZS036*****1vsYORK BY JOHNSON CONTROLS YLFT048**1*4*A
Side-by-side geothermal heat pump comparison
TETCO TZS036*****1
EER
18.8–24.7BTU/Wh
COP
3.90–4.60
Refrigerant
R-410A
Rated Across
2loop types
YORK BY JOHNSON CONTROLS YLFT048**1*4*A
EER
19.1–24.6BTU/Wh
COP
3.90–4.40
Refrigerant
R-410A
Rated Across
2loop types
Key differences
Both models are closely matched on eer: 24.7 vs 24.6 BTU/Wh. The TETCO TZS036*****1 is larger at 24.7 BTU/Wh versus 24.6 BTU/Wh.
Efficiency
| Spec | TETCO | YORK BY JOHNSON CONTROLS |
|---|---|---|
| EER (best configuration)(BTU/Wh) | 24.7 | 24.6 |
| EER (worst configuration)(BTU/Wh) | 18.8 | 19.1 |
| COP (best configuration) | 4.60 | 4.40 |
| COP (worst configuration) | 3.90 | 3.90 |
Configuration
| Spec | TETCO | YORK BY JOHNSON CONTROLS |
|---|---|---|
| Loop Types Rated | 2 | 2 |
| Total Configurations Rated | 2 | 2 |
| Model Name | Ion | YORK BY JOHNSON CONTROLS |
| Refrigerant | R-410A | R-410A |