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Zephyr heat pumps

29 certified models, ranked by seasonal cooling efficiency (SEER2), then heating efficiency (HSPF2), highest first.

Filters Zephyr
  1. 1 ZE-09UB32OZephyr
    12,200 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 12,200 Btu/h · Cold output 100% · HSPF2 11.8 · 1 pairing

  2. 2 ZE-12UB32OZephyr
    12,200 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 12,200 Btu/h · Cold output 100% · HSPF2 11.8 · 1 pairing

  3. 3 ZE-15UB32OZephyr
    15,200 Btu/hheating at 47°F 15,000 Btu/hcooling at 95°F

    15,000 Btu · Mini-split · 5°F 12,200 Btu/h · Cold output 80% · HSPF2 11.1 · 1 pairing

  4. 4 ZE-09UH24SCOZephyr
    9,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 7,000 Btu/h · Cold output 78% · HSPF2 10.5 · 1 pairing

  5. 5 ZE-09CB25OZephyr
    9,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 9,000 Btu/h · Cold output 100% · HSPF2 11.0 · 2 pairings

  6. 6 ZE-12UH24SCOZephyr
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 8,400 Btu/h · Cold output 70% · HSPF2 9.5 · 1 pairing

  7. 7 ZE-09DB25OZephyr
    9,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 8,700 Btu/h · Cold output 97% · HSPF2 10.0 · 1 pairing

  8. 8 ZE-12CB25OZephyr
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 10,600 Btu/h · Cold output 88–92% · HSPF2 9.8 · 2 pairings

  9. 9 ZE-09CB22OZephyr
    9,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 5,400 Btu/h · Cold output 60–63% · HSPF2 9.3 · 2 pairings

  10. 10 ZE-24CB25OZephyr
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 19,200 Btu/h · Cold output 80–83% · HSPF2 9.5 · 2 pairings

  11. 11 ZE-12DB25OZephyr
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 9,200 Btu/h · Cold output 77% · HSPF2 9.5 · 1 pairing

  12. 12 ZE-24M322SCOZephyr
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 24,000 Btu/h · Cold output 100% · HSPF2 8.9 · 2 pairings

  13. 13 ZE-18CB25OZephyr
    18,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 18,000 Btu/h · Cold output 100% · HSPF2 9.8 · 2 pairings

  14. 14 ZE-36M422SCOZephyr
    32,000 Btu/hheating at 47°F 32,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Mini-split · 5°F 36,000 Btu/h · Cold output 113% · HSPF2 9.0 · 3 pairings

  15. 15 ZE-18CB22OZephyr
    18,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 13,400 Btu/h · Cold output 74–76% · HSPF2 9.8 · 2 pairings

  16. 16 ZE-536M425Zephyr
    36,000 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Mini-split · 5°F 34,200 Btu/h · Cold output 90–100% · HSPF2 9.5 · 3 pairings

  17. 17 ZE-18M222SCOZephyr
    18,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 18,000 Btu/h · Cold output 100% · HSPF2 9.5 · 2 pairings

  18. 18 ZE-527M325Zephyr
    27,000 Btu/hheating at 47°F 27,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 26,600 Btu/h · Cold output 98–100% · HSPF2 9.4 · 3 pairings

  19. 19 ZE-624HPAZephyr
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 20,800 Btu/h · Cold output 87–88% · HSPF2 10.0 · 3 pairings

  20. 20 ZE-542M525Zephyr
    46,500 Btu/hheating at 47°F 42,000 Btu/hcooling at 95°F

    42,000 Btu (3.5-ton) · Mini-split · 5°F 35,000 Btu/h · Cold output 75–76% · HSPF2 9.2 · 3 pairings

  21. 21 ZE-09DB22OZephyr
    9,500 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 6,000 Btu/h · Cold output 63% · HSPF2 9.0 · 1 pairing

  22. 22 ZE-518M225Zephyr
    18,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 17,400 Btu/h · Cold output 94–100% · HSPF2 9.7 · 3 pairings

  23. 23 ZE-636HPAZephyr
    32,000 Btu/hheating at 47°F 32,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 31,000 Btu/h · Cold output 79–97% · HSPF2 10.5 · 3 pairings

  24. 24 ZE-42M522SCOZephyr
    41,500 Btu/hheating at 47°F 41,500 Btu/hcooling at 95°F

    42,000 Btu (3.5-ton) · Mini-split · 5°F 36,000 Btu/h · Cold output 86–87% · HSPF2 8.9 · 2 pairings

  25. 25 ZE-660HPAZephyr
    57,000 Btu/hheating at 47°F 57,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 42,000 Btu/h · Cold output 70–74% · HSPF2 9.0 · 3 pairings

  26. 26 ZE-648HPAZephyr
    48,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 37,000 Btu/h · Cold output 71–77% · HSPF2 9.0 · 3 pairings

  27. 27 ZE-36HPBZephyr
    34,000 Btu/hheating at 47°F 34,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 26,000 Btu/h · Cold output 76% · HSPF2 9.5 · 1 pairing

  28. 28 ZE-48HPBZephyr
    47,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 33,000 Btu/h · Cold output 70% · HSPF2 8.5 · 1 pairing

  29. 29 ZE-24HPBZephyr
    22,000 Btu/hheating at 47°F 22,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 16,900 Btu/h · Cold output 77% · HSPF2 9.0 · 1 pairing

Zephyr heat pumps, ranked by seasonal cooling efficiency (SEER2), then heating efficiency (HSPF2)
# Model Brands Type Size At 5°FBtu/h · heating At 47°FBtu/h · heating At 95°FBtu/h · cooling Cold output% of 47°F rating COP 5°Ffull speed SEER2median pairing HSPF2Btu/Wh · median pairing Compressor Refrigerant Market Pairings
1 ZE-09UB32O Zephyr Mini-split 9,000 Btu12,200 12,200 9,000 100% 2.25 32.0 11.8 Variable R-454B CA 1
2 ZE-12UB32O Zephyr Mini-split 12,000 Btu (1-ton)12,200 12,200 12,000 100% 2.25 30.0 11.8 Variable R-454B CA 1
3 ZE-15UB32O Zephyr Mini-split 15,000 Btu12,200 15,200 15,000 80% 2.25 25.6 11.1 Variable R-454B CA 1
4 ZE-09UH24SCO Zephyr Mini-split 9,000 Btu7,000 9,000 9,000 78% 2.05 25.5 10.5 Variable R-410A CA 1
5 ZE-09CB25O Zephyr Mini-split 9,000 Btu9,000 9,000 9,000 100% 2.10 25.0 11.0 Variable R-454B CA 2
6 ZE-12UH24SCO Zephyr Mini-split 12,000 Btu (1-ton)8,400 12,000 12,000 70% 2.05 23.5 9.5 Variable R-410A CA 1
7 ZE-09DB25O Zephyr Mini-split 9,000 Btu8,700 9,000 9,000 97% 1.90 23.0 10.0 Variable R-454B CA 1
8 ZE-12CB25O Zephyr Mini-split 12,000 Btu (1-ton)10,600 12,000 12,000 88–92% 2.00 23.0 9.8 Variable R-454B CA 2
9 ZE-09CB22O Zephyr Mini-split 9,000 Btu5,400 9,000 9,000 60–63% 2.10 22.8 9.3 Variable R-32 CA 2
10 ZE-24CB25O Zephyr Mini-split 24,000 Btu (2-ton)19,200 24,000 24,000 80–83% 1.90 22.5 9.5 Variable R-454B CA 2
11 ZE-12DB25O Zephyr Mini-split 12,000 Btu (1-ton)9,200 12,000 12,000 77% 1.90 22.0 9.5 Variable R-454B CA 1
12 ZE-24M322SCO Zephyr Mini-split 24,000 Btu (2-ton)24,000 24,000 24,000 100% 1.84 21.8 8.9 Variable R-410A CA 2
13 ZE-18CB25O Zephyr Mini-split 18,000 Btu (1.5-ton)18,000 18,000 18,000 100% 1.90 21.0 9.8 Variable R-454B CA 2
14 ZE-36M422SCO Zephyr Mini-split 30,000 Btu (2.5-ton)36,000 32,000 32,000 113% 1.84 21.0 9.0 Variable R-410A CA 3
15 ZE-18CB22O Zephyr Mini-split 18,000 Btu (1.5-ton)13,400 18,000 18,000 74–76% 2.45 20.5 9.8 Variable R-32 CA 2
16 ZE-536M425 Zephyr Mini-split 36,000 Btu (3-ton)34,200 36,000 36,000 90–100% 1.87 20.5 9.5 Variable R-454B CA 3
17 ZE-18M222SCO Zephyr Mini-split 18,000 Btu (1.5-ton)18,000 18,000 18,000 100% 1.84 20.5 9.5 Variable R-410A CA 2
18 ZE-527M325 Zephyr Mini-split 24,000 Btu (2-ton)26,600 27,000 27,000 98–100% 1.82 20.5 9.4 Variable R-454B CA 3
19 ZE-624HPA Zephyr Central 24,000 Btu (2-ton)20,800 24,000 24,000 87–88% 2.30 20.0 10.0 Variable R-454B CA 3
20 ZE-542M525 Zephyr Mini-split 42,000 Btu (3.5-ton)35,000 46,500 42,000 75–76% 1.87 20.0 9.2 Variable R-454B CA 3
21 ZE-09DB22O Zephyr Mini-split 9,000 Btu6,000 9,500 9,000 63% 2.00 20.0 9.0 Variable R-32 CA 1
22 ZE-518M225 Zephyr Mini-split 18,000 Btu (1.5-ton)17,400 18,000 18,000 94–100% 1.96 19.8 9.7 Variable R-454B CA 3
23 ZE-636HPA Zephyr Central 30,000 Btu (2.5-ton)31,000 32,000 32,000 79–97% 2.15 19.5 10.5 Variable R-454B CA 3
24 ZE-42M522SCO Zephyr Mini-split 42,000 Btu (3.5-ton)36,000 41,500 41,500 86–87% 1.84 19.5 8.9 Variable R-410A CA 2
25 ZE-660HPA Zephyr Central 54,000 Btu (4.5-ton)42,000 57,000 57,000 70–74% 2.46 19.0 9.0 Variable R-454B CA 3
26 ZE-648HPA Zephyr Central 48,000 Btu (4-ton)37,000 48,000 48,000 71–77% 2.52 19.0 9.0 Variable R-454B CA 3
27 ZE-36HPB Zephyr Central 36,000 Btu (3-ton)26,000 34,000 34,000 76% 2.05 18.0 9.5 Variable R-410A CA 1
28 ZE-48HPB Zephyr Central 48,000 Btu (4-ton)33,000 47,000 48,000 70% 1.90 17.5 8.5 Variable R-410A CA 1
29 ZE-24HPB Zephyr Central 24,000 Btu (2-ton)16,900 22,000 22,000 77% 2.05 16.5 9.0 Variable R-410A CA 1

The share is heat output at 5°F divided by the 47°F rating. Tests use different compressor speeds.

29 of 29 units

Other sizes

Every size class, with how many units it holds and its median heat output at 5°F