Airquest PHB536000K000B*vsComfortStar CPH36CD(O)-B
Side-by-side heat pump comparison
Airquest PHB536000K000B*
SEER2
15.2BTU/Wh
HSPF2
7.2BTU/Wh
Cooling Capacity
35200BTU/hr
Refrigerant
R-454B
GWP 470 · Lower
ComfortStar CPH36CD(O)-B
SEER2
15.2–16.3BTU/Wh
HSPF2
8.5–9.5BTU/Wh
Cooling Capacity
35000BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
ComfortStar CPH36CD(O)-B is 7% more efficient at 16.3 BTU/Wh versus 15.2 BTU/Wh for the Airquest PHB536000K000B*. The Airquest PHB536000K000B* is larger at 35200 BTU/hr versus 35000 BTU/hr. Airquest PHB536000K000B* uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the ComfortStar CPH36CD(O)-B sits higher in the category, ranking above 68% of certified air-source heat pumps.
Efficiency
| Spec | Airquest | ComfortStar |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 15.2 | 16.3 |
| SEER2 (worst combination)(BTU/Wh) | 15.2 | 15.2 |
| HSPF2 (best combination)(BTU/Wh) | 7.2 | 9.5 |
| HSPF2 (worst combination)(BTU/Wh) | 7.2 | 8.5 |
| EER2 (best combination)(BTU/Wh) | 11.5 | 11.7 |
| COP at 5 °F | 1.70 | 1.80 |
Capacity
| Spec | Airquest | ComfortStar |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 35200 | 35000 |
| Cooling Capacity (min)(BTU/hr) | 35200 | 35000 |
| Heating at 47 °F(BTU/hr) | 34400 | 39000 |
| Heating at 17 °F(BTU/hr) | 19600 | 31800 |
| Heating at 5 °F(BTU/hr) | 14100 | 38000 |
Configuration
| Spec | Airquest | ComfortStar |
|---|---|---|
| Product Type | HP - Single Package | HP - Split System |
| Compressor Staging | Two-stage | Continuously variable |
| Cold Climate Certified | No | Yes |
| Connected Capability | No | No |
| Series | Quiet Comfort HP | CPH series |
| Indoor-Unit Combinations Rated | 1 | 5 |
Refrigerant
| Spec | Airquest | ComfortStar |
|---|---|---|
| Type | R-454B | R-410A |
| GWP Rating | R-454B (GWP:470 | Lower GWP) | R-410A (GWP:2088) |