WEATHERMAKER PH5SAN430**AA*vsZERO Z3SOV-27HDTA-US-O
Side-by-side heat pump comparison
WEATHERMAKER PH5SAN430**AA*
SEER2
15.2BTU/Wh
HSPF2
7.8BTU/Wh
Cooling Capacity
27800BTU/hr
Refrigerant
R-410A
GWP 2088 · Higher
ZERO Z3SOV-27HDTA-US-O
SEER2
22BTU/Wh
HSPF2
10BTU/Wh
Cooling Capacity
28000BTU/hr
Cold Climate
Yes
Cold climate certified
Key differences
ZERO Z3SOV-27HDTA-US-O is 31% more efficient at 22.0 BTU/Wh versus 15.2 BTU/Wh for the WEATHERMAKER PH5SAN430**AA*. The ZERO Z3SOV-27HDTA-US-O is larger at 28000 BTU/hr versus 27800 BTU/hr. ZERO Z3SOV-27HDTA-US-O uses a lower-impact refrigerant: R-32 (GWP 675) versus R-410A (GWP 2088). Overall, the ZERO Z3SOV-27HDTA-US-O sits higher in the category, ranking above 56% of certified air-source heat pumps.
Efficiency
| Spec | WEATHERMAKER | ZERO |
|---|---|---|
| SEER2 (best combination)(BTU/Wh) | 15.2 | 22 |
| SEER2 (worst combination)(BTU/Wh) | 15.2 | 22 |
| HSPF2 (best combination)(BTU/Wh) | 7.8 | 10 |
| HSPF2 (worst combination)(BTU/Wh) | 7.8 | 10 |
| EER2 (best combination)(BTU/Wh) | 12.5 | 11.2 |
| COP at 5 °F | 0 | 2 |
Capacity
| Spec | WEATHERMAKER | ZERO |
|---|---|---|
| Cooling Capacity (max)(BTU/hr) | 27800 | 28000 |
| Cooling Capacity (min)(BTU/hr) | 27800 | 28000 |
| Heating at 47 °F(BTU/hr) | 28000 | 28000 |
| Heating at 17 °F(BTU/hr) | 16900 | 22000 |
| Heating at 5 °F(BTU/hr) | 10000 | 21000 |
Configuration
| Spec | WEATHERMAKER | ZERO |
|---|---|---|
| Product Type | HP - Split System | HP - Mini or Multi Split |
| Compressor Staging | Single stage | Continuously variable |
| Cold Climate Certified | No | Yes |
| Connected Capability | No | No |
| Series | 15 SEER2 HP | Z-MAX US R32 Hyper Heat Series |
| Indoor-Unit Combinations Rated | 1 | 1 |
Refrigerant
| Spec | WEATHERMAKER | ZERO |
|---|---|---|
| Type | R-410A | R-32 |
| GWP Rating | R-410A (GWP:2088) | R-32 (GWP:675 | Lower GWP) |