Grandaire W5H8T48*K*AAA*vsLG KUMXB541A
Side-by-side heat pump comparison
Grandaire W5H8T48*K*AAA*
SEER2
15.2–18BTU/Wh
HSPF2
7.8–8.5BTU/Wh
Cooling Capacity
46000–50000BTU/hr
Refrigerant
R-454B
GWP 470 · Lower
LG KUMXB541A
SEER2
18.5–20.6BTU/Wh
HSPF2
9.3–9.5BTU/Wh
Cooling Capacity
50500BTU/hr
Refrigerant
R-32
GWP 675 · Lower
Key differences
LG KUMXB541A is 13% more efficient at 20.6 BTU/Wh versus 18.0 BTU/Wh for the Grandaire W5H8T48*K*AAA*. The LG KUMXB541A is larger at 50500 BTU/hr versus 50000 BTU/hr. Grandaire W5H8T48*K*AAA* uses a lower-impact refrigerant: R-454B (GWP 470) versus R-32 (GWP 675).
Efficiency
| Spec | Grandaire | LG |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 18 | 20.6 |
| SEER2 (worst combination)(BTU/Wh) | 15.2 | 18.5 |
| HSPF2 (best combination)(BTU/Wh) | 8.5 | 9.5 |
| HSPF2 (worst combination)(BTU/Wh) | 7.8 | 9.3 |
| EER2 (best combination)(BTU/Wh) | 13.5 | 12.6 |
| COP at 5 °F | 2.32 | 2.19 |
Capacity
| Spec | Grandaire | LG |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 50000 | 50500 |
| Cooling Capacity (min)(BTU/hr) | 46000 | 50500 |
| Heating at 47 °F(BTU/hr) | 52000 | 58000 |
| Heating at 17 °F(BTU/hr) | 32400 | 37200 |
| Heating at 5 °F(BTU/hr) | 26200 | 41000 |
Configuration
| Spec | Grandaire | LG |
|---|---|---|
| Product Type | HP - Split System | HP - Mini or Multi Split |
| Compressor Staging | Two-stage | Continuously variable |
| Cold Climate Certified | No | No |
| Connected Capability | No | No |
| Series | 2-STAGE 18 SEER HP | KUMXB541A |
| Indoor-Unit Combinations Rated | 106 | 3 |
Refrigerant
| Spec | Grandaire | LG |
|---|---|---|
| Type | R-454B | R-32 |
| GWP Rating | R-454B (GWP:470 | Lower GWP) | R-32 (GWP:675 | Lower GWP) |