Carrier 48QE**05***6*****vsLennox ML18XC2-060-463A**
Side-by-side light commercial unit comparison
Carrier 48QE**05***6*****
SEER2
15.3BTU/Wh
EER2
11.8BTU/Wh
Class
Very Small HP
System
Packaged
Lennox ML18XC2-060-463A**
SEER2
15.2–15.6BTU/Wh
EER2
12BTU/Wh
Class
Very Small AC
System
Split
Key differences
Both models are closely matched on seer2: 15.3 vs 15.6 BTU/Wh. The Lennox ML18XC2-060-463A** is larger at 15.6 BTU/Wh versus 15.3 BTU/Wh. Carrier 48QE**05***6***** uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the Lennox ML18XC2-060-463A** sits higher in the category, ranking above 54% of certified light commercial hvac.
Efficiency
| Spec | Carrier | Lennox |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 15.3 | 15.6 |
| SEER2 (worst combination)(BTU/Wh) | 15.3 | 15.2 |
| EER2 (best combination)(BTU/Wh) | 11.8 | 12 |
| EER2 (worst combination)(BTU/Wh) | 11.8 | 12 |
Capacity & Configuration
| Spec | Carrier | Lennox |
|---|---|---|
| Cooling Capacity (max)(kBTU/hr) | — | 59 |
| Cooling Capacity (min)(kBTU/hr) | — | 57 |
| Equipment Class | Very Small HP | Very Small AC |
| System Type | Packaged | Split |
| Heating Section | All Other | All Other |
| Cold Climate Certified | No | NA |
| Combinations Rated | 1 | 24 |
Refrigerant
| Spec | Carrier | Lennox |
|---|---|---|
| Type | R-454B | R-410A |
| GWP Rating | R-454B (GWP:470 | Lower GWP) | R-410A (GWP:2088) |