LG ARUN038GSS4vsTempstar Q5H9V36*K*AAA*
Side-by-side heat pump comparison
LG ARUN038GSS4
SEER2
20.1BTU/Wh
HSPF2
10.6BTU/Wh
Cooling Capacity
38000BTU/hr
Cold Climate
Yes
Cold climate certified
Tempstar Q5H9V36*K*AAA*
SEER2
15.2–18BTU/Wh
HSPF2
7.8–9BTU/Wh
Cooling Capacity
33400–37600BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
LG ARUN038GSS4 is 10% more efficient at 20.1 BTU/Wh versus 18.0 BTU/Wh for the Tempstar Q5H9V36*K*AAA*. The LG ARUN038GSS4 is larger at 38000 BTU/hr versus 37600 BTU/hr. Tempstar Q5H9V36*K*AAA* uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088).
Efficiency
| Spec | LG | Tempstar |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 20.1 | 18 |
| SEER2 (worst combination)(BTU/Wh) | 20.1 | 15.2 |
| HSPF2 (best combination)(BTU/Wh) | 10.6 | 9 |
| HSPF2 (worst combination)(BTU/Wh) | 10.6 | 7.8 |
| EER2 (best combination)(BTU/Wh) | 14 | 13.5 |
| COP at 5 °F | 2.16 | 2.18 |
Capacity
| Spec | LG | Tempstar |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 38000 | 37600 |
| Cooling Capacity (min)(BTU/hr) | 38000 | 33400 |
| Heating at 47 °F(BTU/hr) | 51000 | 37400 |
| Heating at 17 °F(BTU/hr) | 33000 | 37600 |
| Heating at 5 °F(BTU/hr) | 39000 | 26600 |
Configuration
| Spec | LG | Tempstar |
|---|---|---|
| Product Type | HP - Mini or Multi Split | HP - Split System |
| Compressor Staging | Continuously variable | Continuously variable |
| Cold Climate Certified | Yes | Yes |
| Connected Capability | No | No |
| Series | ARUN038GSS4 | QuietComfort 19 SEER2 VS HP |
| Indoor-Unit Combinations Rated | 3 | 450 |
Refrigerant
| Spec | LG | Tempstar |
|---|---|---|
| Type | R-410A | R-454B |
| GWP Rating | R-410A (GWP:2088) | R-454B (GWP:470 | Lower GWP) |