WHM48SZA21S
Westinghouse · HP - Split System
ENERGY STAR CertifiedAir-Source Heat Pumps →
SEER2
15.6BTU/Wh
HSPF2
8.6BTU/Wh
Cooling Capacity
42000BTU/hr
Cold Climate
Yes
Cold climate certified
Low SEER2GWP 2088 · high impact
Westinghouse WHM48SZA21S: SEER2 15.6 BTU/Wh, lower than 87% of air-source heat pumps (category median 20 BTU/Wh).
Where this model sits
Cooling42000BTU/hr
6000median 2400060000
SEER215.6BTU/Wh
15.2median 2035.1
Lower than 87% of air-source heat pumps.
The Westinghouse WHM48SZA21S is a 42000 BTU/hr hp - split system using R-410A, a refrigerant with high global warming potential (GWP 2088). At 15.6 BTU/Wh it ranks in the bottom 12% of the 12,218 certified air-source heat pumps models. Among similar-sized air-source heat pumps (within 10% of its size), it is less efficient than the peer median of 16 BTU/Wh.
Specifications
| Efficiency | |
|---|---|
| SEER2 (best combination) | 15.6BTU/Wh |
| SEER2 (worst combination) | 15.6BTU/Wh |
| HSPF2 (best combination) | 8.6BTU/Wh |
| HSPF2 (worst combination) | 8.6BTU/Wh |
| EER2 (best combination) | 11.4BTU/Wh |
| COP at 5 °F | 1.94 |
| Capacity | |
| Cooling Capacity (max) | 42000BTU/hr |
| Cooling Capacity (min) | 42000BTU/hr |
| Heating at 47 °F | 42000BTU/hr |
| Heating at 17 °F | 31200BTU/hr |
| Heating at 5 °F | 34600BTU/hr |
All 25 specifications
| Configuration | |
|---|---|
| Product Type | HP - Split System |
| Compressor Staging | Continuously variable |
| Cold Climate Certified | Yes |
| Connected Capability | No |
| Series | WH ULTRA HD-COIL |
| Indoor-Unit Combinations Rated | 1 |
| Refrigerant | |
| Type | R-410A |
| GWP Rating | R-410A (GWP:2088) |
| Identifiers | |
| Model Number | WHM48SZA21S |
| ENERGY STAR ID | ES_28426_WHM48SZA21S_12182023213003_1016016 |
| Partner | Fujitsu General America, Inc. |
| Date Certified | 2024-10-24 |
| Available From | 2023-12-19 |
| Markets | United States |
Documentation
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