Star Air Kontrol SAK-18-CT2/220VvsTrane 4TXM2118A12N0**
Side-by-side heat pump comparison
Star Air Kontrol SAK-18-CT2/220V
SEER2
20.7BTU/Wh
HSPF2
11.4BTU/Wh
Cooling Capacity
16800BTU/hr
Cold Climate
Yes
Cold climate certified
Trane 4TXM2118A12N0**
SEER2
21BTU/Wh
HSPF2
10BTU/Wh
Cooling Capacity
17000BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
Both models are closely matched on seer2: 20.7 vs 21.0 BTU/Wh. The Trane 4TXM2118A12N0** is larger at 17000 BTU/hr versus 16800 BTU/hr. Star Air Kontrol SAK-18-CT2/220V uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088).
Efficiency
| Spec | Star Air Kontrol | Trane |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 20.7 | 21 |
| SEER2 (worst combination)(BTU/Wh) | 20.7 | 21 |
| HSPF2 (best combination)(BTU/Wh) | 11.4 | 10 |
| HSPF2 (worst combination)(BTU/Wh) | 11.4 | 10 |
| EER2 (best combination)(BTU/Wh) | 12.5 | 12 |
| COP at 5 °F | 2.20 | 2.22 |
Capacity
| Spec | Star Air Kontrol | Trane |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 16800 | 17000 |
| Cooling Capacity (min)(BTU/hr) | 16800 | 17000 |
| Heating at 47 °F(BTU/hr) | 18000 | 18000 |
| Heating at 17 °F(BTU/hr) | 13900 | 15000 |
| Heating at 5 °F(BTU/hr) | 12800 | 13600 |
Configuration
| Spec | Star Air Kontrol | Trane |
|---|---|---|
| Product Type | HP - Mini or Multi Split | HP - Mini or Multi Split |
| Compressor Staging | Continuously variable | Continuously variable |
| Cold Climate Certified | Yes | Yes |
| Connected Capability | No | No |
| Series | SAK Series | M-Series |
| Indoor-Unit Combinations Rated | 1 | 1 |
Refrigerant
| Spec | Star Air Kontrol | Trane |
|---|---|---|
| Type | R-454B | R-410A |
| GWP Rating | R-454B (GWP:470 | Lower GWP) | R-410A (GWP:2088) |