Line-ups
Westinghouse heat pumps
Rated products: 17 · model numbers: 17 · 1 split systems and 16 mini- or multi-splits
Of the 124 brand groups with at least 15 rated products, Westinghouse sits in the bottom five for median mini-split HSPF2. Among its products, 2 lead their size class on at least one rating, including the Westinghouse WHM48SZA21S and the Westinghouse WHP36M4A21S .
The line-up at 5°F, class by class
40% 70% 100% 130% 160% 3.5t 9k 12k 18k 24k 30k 36k 42k t = ton, split; k = 1,000 Btu/h, mini 40% 70% 100% 130% 160% 3.5t 12k 24k 36k t = ton; k = 1,000 Btu/h Each dot is one rated product: listed 5°F heating capacity as a share of listed 47°F capacity, in its best match. Black bar: median of the whole size class.
Products that lead their class
Refrigerants Refrigerants listed: R-410A (14) and R-32 (3).
Every rated product, by size class 3.5-ton split systems 1 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Hisense AUWR-48U3SP 82% 34,600 8.55 15.55
9,000 Btu/h mini- and multi-splits 4 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Westinghouse WHU09SZA21S 92% 8,300 10 20.5 Westinghouse WHZ09SZA21S 78% 7,000 10.5 27.5 Westinghouse WHP09SZA21S 70% 6,300 9 22 Westinghouse WHS09SZB21S 60% 5,400 9 22.5
12,000 Btu/h mini- and multi-splits 2 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Westinghouse WHU12SZA21S 71% 8,500 9.5 20.5 Westinghouse WHZ12SZA21S 70% 8,400 9.8 23.5
18,000 Btu/h mini- and multi-splits 4 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Westinghouse WHP18M2A21S 100% 18,000 9.5 21 Westinghouse WHS18SZB21S 74% 13,400 9.8 20 Westinghouse WHU18SZA21S 73% 13,200 10 20.5 Westinghouse WHP18SZA21S 71% 12,700 8.6 22.5
24,000 Btu/h mini- and multi-splits 3 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Westinghouse WHP24M3A21S 100% 24,000 9.05 22 Westinghouse WHU24SZA21S 79% 19,000 10 18.5 Westinghouse WHP24SZA21S 78% 18,000 8.6 20.5
30,000 Btu/h mini- and multi-splits 1 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Westinghouse WHS30SZB21S 71% 21,400 8 19
36,000 Btu/h mini- and multi-splits 1 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Westinghouse WHP36M4A21S 112% 36,000 9 21
42,000 Btu/h mini- and multi-splits 1 Product, as listed under this brand Kept at 5°F Output, Btu/h HSPF2 SEER2 Westinghouse WHP42M5A21S 88% 36,000 8.95 20
Certified as of October 27, 2026. Brand names that sell the same rated products are grouped; see how the ratings are read .