Amana ASZH503610A*vsNavien, Inc. NAZ17V3622A1
Side-by-side heat pump comparison
Amana ASZH503610A*
SEER2
15.2BTU/Wh
HSPF2
7.8BTU/Wh
Cooling Capacity
34200–34600BTU/hr
Refrigerant
R-410A
GWP 2088 · Higher
Navien, Inc. NAZ17V3622A1
SEER2
16.3–19.5BTU/Wh
HSPF2
8.6–8.8BTU/Wh
Cooling Capacity
22000–34400BTU/hr
Refrigerant
R-454B
GWP 470 · Lower
Key differences
Navien, Inc. NAZ17V3622A1 is 22% more efficient at 19.5 BTU/Wh versus 15.2 BTU/Wh for the Amana ASZH503610A*. The Amana ASZH503610A* is larger at 34600 BTU/hr versus 34400 BTU/hr. Navien, Inc. NAZ17V3622A1 uses a lower-impact refrigerant: R-454B (GWP 470) versus R-410A (GWP 2088). Overall, the Navien, Inc. NAZ17V3622A1 sits higher in the category, ranking above 68% of certified air-source heat pumps.
Efficiency
| Spec | Amana | Navien, Inc. |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 15.2 | 19.5 |
| SEER2 (worst combination)(BTU/Wh) | 15.2 | 16.3 |
| HSPF2 (best combination)(BTU/Wh) | 7.8 | 8.8 |
| HSPF2 (worst combination)(BTU/Wh) | 7.8 | 8.6 |
| EER2 (best combination)(BTU/Wh) | 12.5 | 12.4 |
| COP at 5 °F | 2 | 2.10 |
Capacity
| Spec | Amana | Navien, Inc. |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 34600 | 34400 |
| Cooling Capacity (min)(BTU/hr) | 34200 | 22000 |
| Heating at 47 °F(BTU/hr) | 34400 | 33000 |
| Heating at 17 °F(BTU/hr) | 20000 | 25600 |
| Heating at 5 °F(BTU/hr) | 17600 | 25000 |
Configuration
| Spec | Amana | Navien, Inc. |
|---|---|---|
| Product Type | HP - Split System | HP - Split System |
| Compressor Staging | Single stage | Continuously variable |
| Cold Climate Certified | No | No |
| Connected Capability | No | No |
| Series | ASZH5 | NAZ17V |
| Indoor-Unit Combinations Rated | 6 | 10 |
Refrigerant
| Spec | Amana | Navien, Inc. |
|---|---|---|
| Type | R-410A | R-454B |
| GWP Rating | R-410A (GWP:2088) | R-454B (GWP:470 | Lower GWP) |