Westinghouse heat pumps
17 ENERGY STAR certified Westinghouse outdoor units (16 mini-split, 1 central). The most efficient is the WHZ09SZA21S at 27.5 SEER2 and 10.5 HSPF2; 14 models are rated for cold climates.
Some of these units are also certified under J-KU, AIR-CON, DIAL, Hessaire, DENALI AIRE, PerfectAire.
Filter by brand, efficiency or cold climate
17 models, ranked by SEER2 (cooling efficiency), then HSPF2.
| # | Type | Cold | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | Westinghouse WHZ09SZA21SBlizzard | Mini-split | 9,000 BTU | 15.5 | 10.5 | 7,000 | Yes | 1 | |
| 2 | Westinghouse WHZ12SZA21SPremier | Mini-split | 12,000 BTU | 15.4 | 9.8 | 8,400 | Yes | 1 | |
| 3 | Westinghouse WHS09SZB21SHI-EDGE | Mini-split | 9,000 BTU | 12.5 | 9.0 | 5,400 | No | 1 | |
| 4 | Westinghouse WHP18SZA21SHiULTRA | Mini-split | 18,000 BTU | 13.0 | 8.6 | 12,700 | Yes | 1 | |
| 5 | Westinghouse WHP24M3A21SHi MULTI Xtreme | Mini-split | 24,000 BTU | 12.5 | 9.1 | 24,000 | Yes | 2 | |
| 6 | Westinghouse WHP09SZA21SPro | Mini-split | 9,000 BTU | 13.7 | 9.0 | 6,300 | Yes | 1 | |
| 7 | Westinghouse WHP18M2A21SHi MULTI Xtreme | Mini-split | 18,000 BTU | 12.5 | 9.5 | 18,000 | Yes | 2 | |
| 8 | Westinghouse WHP36M4A21SHi MULTI Xtreme | Mini-split | 30,000 BTU | 12.5 | 9.0 | 36,000 | Yes | 2 | |
| 9 | Westinghouse WHU09SZA21SPro | Mini-split | 9,000 BTU | 12.9 | 10.0 | 8,300 | Yes | 2 | |
| 10 | Westinghouse WHU18SZA21SPro | Mini-split | 18,000 BTU | 12.5 | 10.0 | 13,200 | Yes | 1 | |
| 11 | Westinghouse WHU12SZA21SPro | Mini-split | 12,000 BTU | 12.5 | 9.5 | 8,500 | Yes | 1 | |
| 12 | Westinghouse WHP24SZA21SPro | Mini-split | 24,000 BTU | 12.2 | 8.6 | 18,000 | Yes | 1 | |
| 13 | Westinghouse WHS18SZB21SHI-EDGE | Mini-split | 18,000 BTU | 12.0 | 9.8 | 13,400 | No | 1 | |
| 14 | Westinghouse WHP42M5A21SHi MULTI Xtreme | Mini-split | 42,000 BTU | 10.5 | 9.0 | 36,000 | Yes | 2 | |
| 15 | Westinghouse WHS30SZB21SHI-EDGE | Mini-split | 30,000 BTU | 12.0 | 8.0 | 21,400 | No | 1 | |
| 16 | Westinghouse WHU24SZA21SPro | Mini-split | 24,000 BTU | 12.5 | 10.0 | 19,000 | Yes | 1 | |
| 17 | Westinghouse WHM48SZA21SHi ULTRA HD-Coil | Central | 3.5-ton | 11.4 | 8.6 | 34,600 | Yes | 1 |