Whirlpool WLP15AY24AJ2NvsZERO ZSOVA-24HDMB-USHH
Side-by-side heat pump comparison
Whirlpool WLP15AY24AJ2N
SEER2
15.2BTU/Wh
HSPF2
7.8BTU/Wh
Cooling Capacity
22800BTU/hr
Refrigerant
R-454B
GWP 470 · Lower
ZERO ZSOVA-24HDMB-USHH
SEER2
18.3BTU/Wh
HSPF2
10BTU/Wh
Cooling Capacity
23000BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
ZERO ZSOVA-24HDMB-USHH is 17% more efficient at 18.3 BTU/Wh versus 15.2 BTU/Wh for the Whirlpool WLP15AY24AJ2N. The ZERO ZSOVA-24HDMB-USHH is larger at 23000 BTU/hr versus 22800 BTU/hr. Overall, the ZERO ZSOVA-24HDMB-USHH sits higher in the category, ranking above 42% of certified air-source heat pumps.
Efficiency
| Spec | Whirlpool | ZERO |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 15.2 | 18.3 |
| SEER2 (worst combination)(BTU/Wh) | 15.2 | 18.3 |
| HSPF2 (best combination)(BTU/Wh) | 7.8 | 10 |
| HSPF2 (worst combination)(BTU/Wh) | 7.8 | 10 |
| EER2 (best combination)(BTU/Wh) | 11.7 | 11.7 |
| COP at 5 °F | 2 | 1.87 |
Capacity
| Spec | Whirlpool | ZERO |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 22800 | 23000 |
| Cooling Capacity (min)(BTU/hr) | 22800 | 23000 |
| Heating at 47 °F(BTU/hr) | 22600 | 24000 |
| Heating at 17 °F(BTU/hr) | 13800 | 20800 |
| Heating at 5 °F(BTU/hr) | 10900 | 21600 |
Configuration
| Spec | Whirlpool | ZERO |
|---|---|---|
| Product Type | HP - Split System | HP - Split System |
| Compressor Staging | Two-stage | Continuously variable |
| Cold Climate Certified | No | Yes |
| Connected Capability | No | No |
| Series | CLASSIC | ZAVA Series |
| Indoor-Unit Combinations Rated | 1 | 1 |
Refrigerant
| Spec | Whirlpool | ZERO |
|---|---|---|
| Type | R-454B | R-454B |
| GWP Rating | R-454B (GWP:470 | Lower GWP) | R-454B (GWP:470 | Lower GWP) |