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Panasonic heat pumps

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

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  1. 1 CU-XZ9AKUACPanasonic
    10,900 Btu/hheating at 47°F 8,700 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 11,700 Btu/h · Cold output 107–134% · HSPF2 12.0 · 4 pairings

  2. 2 CU-XE9WKUAPanasonic
    10,900 Btu/hheating at 47°F 8,700 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 9,700 Btu/h · Cold output 89–111% · HSPF2 12.0 · 2 pairings

  3. 3 CU-XZ12AKUACPanasonic
    11,500 Btu/hheating at 47°F 11,500 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 13,700 Btu/h · Cold output 114–119% · HSPF2 11.7 · 4 pairings

  4. 4 CU-XE12WKUAPanasonic
    11,500 Btu/hheating at 47°F 11,500 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 10,200 Btu/h · Cold output 85–89% · HSPF2 11.0 · 2 pairings

  5. 5 CU-3Z22ABUCPanasonic
    22,000 Btu/hheating at 47°F 22,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 23,000 Btu/h · Cold output 88–105% · HSPF2 10.7 · 2 pairings

  6. 6 CU-4Z24BBUCPanasonic
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 27,000 Btu/h · Cold output 84–113% · HSPF2 11.4 · 2 pairings

  7. 7 CU-E9RKUAPanasonic
    9,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 7,400 Btu/h · Cold output 82% · HSPF2 10.3 · 2 pairings

  8. 8 CU-2Z18ABUCPanasonic
    18,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 22,000 Btu/h · Cold output 100–122% · HSPF2 12.5 · 2 pairings

  9. 9 CU-E12RKUAPanasonic
    11,500 Btu/hheating at 47°F 11,500 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 8,100 Btu/h · Cold output 70% · HSPF2 9.0 · 2 pairings

  10. 10 CU-XZ15AKUACPanasonic
    14,700 Btu/hheating at 47°F 14,700 Btu/hcooling at 95°F

    15,000 Btu · Mini-split · 5°F 15,300 Btu/h · Cold output 89–104% · HSPF2 12.0 · 4 pairings

  11. 11 CU-YM12CBUCPanasonic
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 8,600 Btu/h · Cold output 70–74% · HSPF2 10.7 · 4 pairings

  12. 12 CU-XZ18AKUACPanasonic
    17,200 Btu/hheating at 47°F 17,200 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 17,800 Btu/h · Cold output 87–103% · HSPF2 11.7 · 4 pairings

  13. 13 CU-XE15WKUAPanasonic
    14,700 Btu/hheating at 47°F 14,700 Btu/hcooling at 95°F

    15,000 Btu · Mini-split · 5°F 15,300 Btu/h · Cold output 89–104% · HSPF2 11.0 · 2 pairings

  14. 14 CU-XE18WKUAPanasonic
    17,200 Btu/hheating at 47°F 17,200 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 17,500 Btu/h · Cold output 86–102% · HSPF2 10.9 · 2 pairings

  15. 15 CU-YM24CBUCPanasonic
    25,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 18,500 Btu/h · Cold output 71–76% · HSPF2 10.5 · 3 pairings

  16. 16 CU-5Z36BBUCPanasonic
    36,000 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Mini-split · 5°F 27,000 Btu/h · Cold output 75% · HSPF2 10.3 · 2 pairings

  17. 17 CU-3E19RBU-5Panasonic
    19,000 Btu/hheating at 47°F 19,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 18,900 Btu/h · Cold output 73–99% · HSPF2 10.1 · 2 pairings

  18. 18 CU - 4YM27CBUCPanasonic
    26,800 Btu/hheating at 47°F 26,200 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 18,900 Btu/h · Cold output 70–71% · HSPF2 9.3 · 3 pairings

  19. 19 CU-4E24RBU-5Panasonic
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 21,000 Btu/h · Cold output 88% · HSPF2 9.1 · 2 pairings

  20. 20 CU-YM9CBUCPanasonic
    10,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 8,300 Btu/h · Cold output 82–86% · HSPF2 11.3 · 3 pairings

  21. 21 CU - 5YM36CBUCPanasonic
    37,000 Btu/hheating at 47°F 35,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Mini-split · 5°F 26,000 Btu/h · Cold output 70% · HSPF2 9.6 · 3 pairings

  22. 22 CU - 3YM18CBUCPanasonic
    19,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 14,000 Btu/h · Cold output 71–77% · HSPF2 10.0 · 3 pairings

  23. 23 CU - 6YM48CBUCPanasonic
    47,500 Btu/hheating at 47°F 45,000 Btu/hcooling at 95°F

    42,000 Btu (3.5-ton) · Mini-split · 5°F 37,000 Btu/h · Cold output 75–81% · HSPF2 10.3 · 3 pairings

  24. 24 CU-YM18CBUCPanasonic
    18,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 13,000 Btu/h · Cold output 71–72% · HSPF2 11.3 · 3 pairings

  25. 25 CU-XZ24AKUACPanasonic
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 20,400 Btu/h · Cold output 71–85% · HSPF2 11.0 · 4 pairings

  26. 26 CU-E9SD3UAPanasonic
    9,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Central · 5°F 6,900 Btu/h · Cold output 77% · HSPF2 9.9 · 2 pairings

  27. 27 CU-E12SD3UAPanasonic
    11,500 Btu/hheating at 47°F 11,500 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Central · 5°F 8,500 Btu/h · Cold output 74% · HSPF2 9.5 · 2 pairings

  28. 28 CU-E18RKUAPanasonic
    17,200 Btu/hheating at 47°F 17,200 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 11,000 Btu/h · Cold output 64% · HSPF2 9.0 · 2 pairings

  29. 29 CU-2E18SBU-5Panasonic
    16,700 Btu/hheating at 47°F 16,700 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 16,800 Btu/h · Cold output 83–106% · HSPF2 9.1 · 4 pairings

  30. 30 CU-M18BAHUPanasonic
    18,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Central · 5°F 11,200 Btu/h · Cold output 62% · HSPF2 9.1 · 1 pairing

  31. 31 CU-M30BAHUPanasonic
    29,000 Btu/hheating at 47°F 30,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 18,000 Btu/h · Cold output 62% · HSPF2 8.3 · 2 pairings

  32. 32 CU-HE24YAHK6Panasonic
    25,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 20,000 Btu/h · Cold output 80–94% · HSPF2 9.8 · 2 pairings

  33. 33 CU-HM24BAHUPanasonic
    25,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 20,000 Btu/h · Cold output 80–90% · HSPF2 9.1 · 9 pairings

  34. 34 CU-M24BAHUPanasonic
    25,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 20,000 Btu/h · Cold output 76–83% · HSPF2 9.0 · 9 pairings

  35. 35 CU-HM18BAHUPanasonic
    19,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Central · 5°F 18,000 Btu/h · Cold output 95% · HSPF2 9.3 · 15 pairings

  36. 36 CU-HM48BAHUPanasonic
    49,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 42,000 Btu/h · Cold output 84–92% · HSPF2 8.5 · 9 pairings

  37. 37 CU-HM55BAHUPanasonic
    58,000 Btu/hheating at 47°F 52,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 41,000 Btu/h · Cold output 71–93% · HSPF2 8.5 · 8 pairings

  38. 38 CU-E24YAHK6Panasonic
    25,600 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 18,500 Btu/h · Cold output 72–75% · HSPF2 9.5 · 2 pairings

  39. 39 CU-M48BAHUPanasonic
    44,000 Btu/hheating at 47°F 44,000 Btu/hcooling at 95°F

    42,000 Btu (3.5-ton) · Central · 5°F 39,000 Btu/h · Cold output 79–91% · HSPF2 8.6 · 9 pairings

  40. 40 CU-HE18YAHK6Panasonic
    19,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Central · 5°F 15,000 Btu/h · Cold output 79–87% · HSPF2 9.5 · 3 pairings

  41. 41 CU-RE18SKUAPanasonic
    17,200 Btu/hheating at 47°F 17,200 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 10,000 Btu/h · Cold output 58% · HSPF2 8.5 · 2 pairings

  42. 42 CU-HM36BAHUPanasonic
    36,000 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 33,000 Btu/h · Cold output 92–105% · HSPF2 9.4 · 8 pairings

  43. 43 CU-HE30YAHK6Panasonic
    33,000 Btu/hheating at 47°F 30,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 24,000 Btu/h · Cold output 73–82% · HSPF2 9.3 · 2 pairings

  44. 44 CU-M60BAHUPanasonic
    47,000 Btu/hheating at 47°F 51,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 38,000 Btu/h · Cold output 70–81% · HSPF2 8.3 · 8 pairings

  45. 45 CU-HE48YAHK6Panasonic
    50,000 Btu/hheating at 47°F 47,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 46,000 Btu/h · Cold output 92% · HSPF2 9.4 · 1 pairing

  46. 46 CU-HM30BAHUPanasonic
    29,000 Btu/hheating at 47°F 29,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 29,000 Btu/h · Cold output 96–107% · HSPF2 8.8 · 13 pairings

  47. 47 CU-M36BAHUPanasonic
    36,000 Btu/hheating at 47°F 35,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 26,000 Btu/h · Cold output 72–75% · HSPF2 8.6 · 4 pairings

  48. 48 CU-HE36YAHK6Panasonic
    38,000 Btu/hheating at 47°F 35,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 31,600 Btu/h · Cold output 82–86% · HSPF2 9.1 · 4 pairings

  49. 49 CU-HE55YAHK6Panasonic
    59,000 Btu/hheating at 47°F 55,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 48,500 Btu/h · Cold output 82% · HSPF2 9.4 · 1 pairing

Panasonic 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 CU-XZ9AKUAC Panasonic Mini-split 9,000 Btu11,700 10,900 8,700 107–134% 2.31 27.5 12.0 Variable R-32 US CA 4
2 CU-XE9WKUA Panasonic Mini-split 9,000 Btu9,700 10,900 8,700 89–111% 2.06 27.3 12.0 Variable R-410A US CA 2
3 CU-XZ12AKUAC Panasonic Mini-split 12,000 Btu (1-ton)13,700 11,500 11,500 114–119% 2.11 25.0 11.7 Variable R-32 US CA 4
4 CU-XE12WKUA Panasonic Mini-split 12,000 Btu (1-ton)10,200 11,500 11,500 85–89% 2.13 24.6 11.0 Variable R-410A US CA 2
5 CU-3Z22ABUC Panasonic Mini-split 24,000 Btu (2-ton)23,000 22,000 22,000 88–105% 2.28 24.5 10.7 Variable R-32 US CA 2
6 CU-4Z24BBUC Panasonic Mini-split 24,000 Btu (2-ton)27,000 24,000 24,000 84–113% 1.85 24.0 11.4 Variable R-32 US CA 2
7 CU-E9RKUA Panasonic Mini-split 9,000 Btu7,400 9,000 9,000 82% 1.64 23.0 10.3 Variable R-410A US CA 2
8 CU-2Z18ABUC Panasonic Mini-split 18,000 Btu (1.5-ton)22,000 18,000 18,000 100–122% 2.15 22.5 12.5 Variable R-32 US CA 2
9 CU-E12RKUA Panasonic Mini-split 12,000 Btu (1-ton)8,100 11,500 11,500 70% 1.58 22.5 9.0 Variable R-410A US CA 2
10 CU-XZ15AKUAC Panasonic Mini-split 15,000 Btu15,300 14,700 14,700 89–104% 2.14 22.4 12.0 Variable R-32 US CA 4
11 CU-YM12CBUC Panasonic Mini-split 12,000 Btu (1-ton)8,600 12,000 12,000 70–74% 2.38 22.1 10.7 Variable R-454B US CA 4
12 CU-XZ18AKUAC Panasonic Mini-split 18,000 Btu (1.5-ton)17,800 17,200 17,200 87–103% 2.22 22.0 11.7 Variable R-32 US CA 4
13 CU-XE15WKUA Panasonic Mini-split 15,000 Btu15,300 14,700 14,700 89–104% 1.87 22.0 11.0 Variable R-410A US CA 2
14 CU-XE18WKUA Panasonic Mini-split 18,000 Btu (1.5-ton)17,500 17,200 17,200 86–102% 2.05 22.0 10.9 Variable R-410A US CA 2
15 CU-YM24CBUC Panasonic Mini-split 24,000 Btu (2-ton)18,500 25,000 24,000 71–76% 2.30 22.0 10.5 Variable R-454B US CA 3
16 CU-5Z36BBUC Panasonic Mini-split 36,000 Btu (3-ton)27,000 36,000 36,000 75% 2.08 22.0 10.3 Variable R-32 US CA 2
17 CU-3E19RBU-5 Panasonic Mini-split 18,000 Btu (1.5-ton)18,900 19,000 19,000 73–99% 1.88 22.0 10.1 Variable R-410A US CA 2
18 CU - 4YM27CBUC Panasonic Mini-split 24,000 Btu (2-ton)18,900 26,800 26,200 70–71% 2.00 22.0 9.3 Variable R-454B US CA 3
19 CU-4E24RBU-5 Panasonic Mini-split 24,000 Btu (2-ton)21,000 24,000 24,000 88% 1.95 22.0 9.1 Variable R-410A US CA 2
20 CU-YM9CBUC Panasonic Mini-split 9,000 Btu8,300 10,000 9,000 82–86% 2.25 21.6 11.3 Variable R-454B US CA 3
21 CU - 5YM36CBUC Panasonic Mini-split 36,000 Btu (3-ton)26,000 37,000 35,000 70% 2.00 21.6 9.6 Variable R-454B US CA 3
22 CU - 3YM18CBUC Panasonic Mini-split 18,000 Btu (1.5-ton)14,000 19,000 18,000 71–77% 2.25 21.5 10.0 Variable R-454B US CA 3
23 CU - 6YM48CBUC Panasonic Mini-split 42,000 Btu (3.5-ton)37,000 47,500 45,000 75–81% 2.10 20.9 10.3 Variable R-454B US CA 3
24 CU-YM18CBUC Panasonic Mini-split 18,000 Btu (1.5-ton)13,000 18,000 18,000 71–72% 2.35 20.7 11.3 Variable R-454B US CA 3
25 CU-XZ24AKUAC Panasonic Mini-split 24,000 Btu (2-ton)20,400 24,000 24,000 71–85% 2.25 20.5 11.0 Variable R-32 US CA 4
26 CU-E9SD3UA Panasonic Central 9,000 Btu6,900 9,000 9,000 77% 1.82 20.5 9.9 Variable R-410A US CA 2
27 CU-E12SD3UA Panasonic Central 12,000 Btu (1-ton)8,500 11,500 11,500 74% 1.64 20.0 9.5 Variable R-410A US CA 2
28 CU-E18RKUA Panasonic Mini-split 18,000 Btu (1.5-ton)11,000 17,200 17,200 64% 2.00 19.5 9.0 Variable R-410A US CA 2
29 CU-2E18SBU-5 Panasonic Mini-split 18,000 Btu (1.5-ton)16,800 16,700 16,700 83–106% 1.91 19.0 9.1 Variable R-410A US CA 4
30 CU-M18BAHU Panasonic Central 18,000 Btu (1.5-ton)11,200 18,000 18,000 62% 2.00 18.8 9.1 Variable R-454B US CA 1
31 CU-M30BAHU Panasonic Central 30,000 Btu (2.5-ton)18,000 29,000 30,000 62% 1.80 17.1 8.3 Variable R-454B US CA 2
32 CU-HE24YAHK6 Panasonic Central 24,000 Btu (2-ton)20,000 25,000 24,000 80–94% 1.93 17.0 9.8 Variable R-410A US CA 2
33 CU-HM24BAHU Panasonic Central 24,000 Btu (2-ton)20,000 25,000 24,000 80–90% 1.80 16.8 9.1 Variable R-454B US CA 9
34 CU-M24BAHU Panasonic Central 24,000 Btu (2-ton)20,000 25,000 24,000 76–83% 1.80 16.8 9.0 Variable R-454B US CA 9
35 CU-HM18BAHU Panasonic Central 18,000 Btu (1.5-ton)18,000 19,000 18,000 95% 1.80 16.6 9.3 Variable R-454B US CA 15
36 CU-HM48BAHU Panasonic Central 48,000 Btu (4-ton)42,000 49,000 48,000 84–92% 1.80 16.4 8.5 Variable R-454B US CA 9
37 CU-HM55BAHU Panasonic Central 54,000 Btu (4.5-ton)41,000 58,000 52,000 71–93% 1.80 16.4 8.5 Variable R-454B US CA 8
38 CU-E24YAHK6 Panasonic Central 24,000 Btu (2-ton)18,500 25,600 24,000 72–75% 2.15 16.4 9.5 Variable R-410A US CA 2
39 CU-M48BAHU Panasonic Central 42,000 Btu (3.5-ton)39,000 44,000 44,000 79–91% 1.80 16.3 8.6 Variable R-454B US CA 9
40 CU-HE18YAHK6 Panasonic Central 18,000 Btu (1.5-ton)15,000 19,000 18,000 79–87% 2.20 16.1 9.5 Variable R-410A US CA 3
41 CU-RE18SKUA Panasonic Mini-split 18,000 Btu (1.5-ton)10,000 17,200 17,200 58% 1.55 16.0 8.5 Variable R-410A US CA 2
42 CU-HM36BAHU Panasonic Central 36,000 Btu (3-ton)33,000 36,000 36,000 92–105% 1.80 15.9 9.4 Variable R-454B US CA 8
43 CU-HE30YAHK6 Panasonic Central 30,000 Btu (2.5-ton)24,000 33,000 30,000 73–82% 1.83 15.9 9.3 Variable R-410A US CA 2
44 CU-M60BAHU Panasonic Central 48,000 Btu (4-ton)38,000 47,000 51,000 70–81% 1.80 15.7 8.3 Variable R-454B US CA 8
45 CU-HE48YAHK6 Panasonic Central 48,000 Btu (4-ton)46,000 50,000 47,000 92% 1.90 15.6 9.4 Variable R-410A US CA 1
46 CU-HM30BAHU Panasonic Central 30,000 Btu (2.5-ton)29,000 29,000 29,000 96–107% 1.80 15.6 8.8 Variable R-454B US CA 13
47 CU-M36BAHU Panasonic Central 36,000 Btu (3-ton)26,000 36,000 35,000 72–75% 1.80 15.6 8.6 Variable R-454B US CA 4
48 CU-HE36YAHK6 Panasonic Central 36,000 Btu (3-ton)31,600 38,000 35,000 82–86% 1.91 15.5 9.1 Variable R-410A US CA 4
49 CU-HE55YAHK6 Panasonic Central 54,000 Btu (4.5-ton)48,500 59,000 55,000 82% 1.91 15.3 9.4 Variable R-410A US CA 1

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

49 of 49 units

Other sizes

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