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Century heat pumps

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

Filters Century
  1. 1 A-ZHP09SA-1Century, Comfort-Aire
    12,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 13,500 Btu/h · Cold output 113% · HSPF2 14.6 · 2 pairings

  2. 2 A-ZHP15SA-1Century, Comfort-Aire
    15,000 Btu/hheating at 47°F 15,000 Btu/hcooling at 95°F

    15,000 Btu · Mini-split · 5°F 13,500 Btu/h · Cold output 90% · HSPF2 11.0 · 2 pairings

  3. 3 A-VMH06SV-1Century, Comfort-Aire
    7,000 Btu/hheating at 47°F 6,000 Btu/hcooling at 95°F

    6,000 Btu · Mini-split · 5°F 7,500 Btu/h · Cold output 107% · HSPF2 13.6 · 3 pairings

  4. 4 A-VMH09SV-1Century, Comfort-Aire
    9,800 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 10,000 Btu/h · Cold output 85–108% · HSPF2 11.0 · 11 pairings

  5. 5 A-VHP09SA-1Century, Comfort-Aire
    9,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 11,300 Btu/h · Cold output 96–126% · HSPF2 12.1 · 15 pairings

  6. 6 A-VHP06SA-1Century, Comfort-Aire
    7,000 Btu/hheating at 47°F 6,000 Btu/hcooling at 95°F

    6,000 Btu · Mini-split · 5°F 7,700 Btu/h · Cold output 109–110% · HSPF2 13.4 · 6 pairings

  7. 7 A-VMH12SV-1Century, Comfort-Aire
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 11,900 Btu/h · Cold output 83–100% · HSPF2 10.0 · 15 pairings

  8. 8 A-VHP12SA-1Century, Comfort-Aire
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 11,500 Btu/h · Cold output 92–100% · HSPF2 10.5 · 15 pairings

  9. 9 A-VHP183A-1Century, Comfort-Aire
    20,000 Btu/hheating at 47°F 19,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 18,500 Btu/h · Cold output 90–95% · HSPF2 10.2 · 9 pairings

  10. 10 A-VHP486A-1Century, Comfort-Aire
    48,500 Btu/hheating at 47°F 47,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Mini-split · 5°F 47,500 Btu/h · Cold output 96–100% · HSPF2 11.0 · 9 pairings

  11. 11 A-VMH28TV-1Century, Comfort-Aire
    28,000 Btu/hheating at 47°F 28,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Mini-split · 5°F 25,000 Btu/h · Cold output 89% · HSPF2 10.1 · 9 pairings

  12. 12 A-VMH48PV-1Century, Comfort-Aire
    49,000 Btu/hheating at 47°F 47,500 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Mini-split · 5°F 43,500 Btu/h · Cold output 87–92% · HSPF2 9.4 · 9 pairings

  13. 13 A-VHP365A-1Century, Comfort-Aire
    36,000 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Mini-split · 5°F 37,000 Btu/h · Cold output 100–106% · HSPF2 10.6 · 9 pairings

  14. 14 A-VHP556A-1Century, Comfort-Aire
    55,000 Btu/hheating at 47°F 52,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Mini-split · 5°F 47,500 Btu/h · Cold output 85–87% · HSPF2 10.6 · 9 pairings

  15. 15 A-VHP284A-1Century, Comfort-Aire
    27,000 Btu/hheating at 47°F 27,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Mini-split · 5°F 27,000 Btu/h · Cold output 96–100% · HSPF2 10.0 · 9 pairings

  16. 16 A-VMH36QV-1ACentury, Comfort-Aire
    36,000 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Mini-split · 5°F 36,400 Btu/h · Cold output 100–103% · HSPF2 10.5 · 9 pairings

  17. 17 A-VMH36QV-1Century, Comfort-Aire
    37,000 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Mini-split · 5°F 34,400 Btu/h · Cold output 89–97% · HSPF2 10.2 · 9 pairings

  18. 18 A-VMH24SV-1Century, Comfort-Aire
    29,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 25,000 Btu/h · Cold output 82–108% · HSPF2 11.0 · 13 pairings

  19. 19 A-VMH18DV-1Century, Comfort-Aire
    20,000 Btu/hheating at 47°F 19,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 19,300 Btu/h · Cold output 95–99% · HSPF2 9.6 · 9 pairings

  20. 20 A-VHP24SA-1Century, Comfort-Aire
    26,000 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 83–95% · HSPF2 11.7 · 15 pairings

  21. 21 A-VMH55PV-1Century, Comfort-Aire
    55,000 Btu/hheating at 47°F 55,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Mini-split · 5°F 46,000 Btu/h · Cold output 84% · HSPF2 9.4 · 9 pairings

  22. 22 A-VHP18SA-1Century, Comfort-Aire
    17,000 Btu/hheating at 47°F 16,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 17,500 Btu/h · Cold output 88–103% · HSPF2 11.0 · 21 pairings

  23. 23 A-VMH18SV-1Century, Comfort-Aire
    19,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 17,000 Btu/h · Cold output 89–100% · HSPF2 9.8 · 13 pairings

  24. 24 A-VMH30SG-1Century, Comfort-Aire
    30,000 Btu/hheating at 47°F 30,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Mini-split · 5°F 17,500 Btu/h · Cold output 58% · HSPF2 9.2 · 2 pairings

  25. 25 A-VHP33SA-1Century, Comfort-Aire
    36,000 Btu/hheating at 47°F 33,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Mini-split · 5°F 35,000 Btu/h · Cold output 97% · HSPF2 10.5 · 5 pairings

  26. 26 A-VMH33SV-1Century, Comfort-Aire
    35,000 Btu/hheating at 47°F 33,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Mini-split · 5°F 34,600 Btu/h · Cold output 99% · HSPF2 10.0 · 3 pairings

  27. 27 A-SVH09SB-1Century, Comfort-Aire
    10,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 7,100 Btu/h · Cold output 71% · HSPF2 8.8 · 3 pairings

  28. 28 HRG1836S1PCentury, Comfort-Aire
    23,200 Btu/hheating at 47°F 23,200 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 15,200 Btu/h · Cold output 52–66% · HSPF2 8.1 · 94 pairings

  29. 29 A-VCD18SA-1Century, Comfort-Aire
    19,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Central · 5°F 16,500 Btu/h · Cold output 79–87% · HSPF2 9.3 · 8 pairings

  30. 30 HSA1936V1-**ACentury, Comfort-Aire
    23,600 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 15,500 Btu/h · Cold output 45–71% · HSPF2 8.2 · 142 pairings

  31. 31 A-VXP18SA-1Century, Comfort-Aire
    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 95–103% · HSPF2 9.6 · 12 pairings

  32. 32 HSA1960V1-**ACentury, Comfort-Aire
    46,500 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 23,600 Btu/h · Cold output 48–62% · HSPF2 8.0 · 82 pairings

  33. 33 A-VCD24SA-1Century, Comfort-Aire
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 22,600 Btu/h · Cold output 80–94% · HSPF2 10.0 · 8 pairings

  34. 34 A-VXP24SA-1Century, Comfort-Aire
    25,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 21,000 Btu/h · Cold output 78–90% · HSPF2 9.8 · 12 pairings

  35. 35 HRG1518S1R-**ACentury, Comfort-Aire
    17,200 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Central · 5°F 8,200 Btu/h · Cold output 44–52% · HSPF2 8.0 · 142 pairings

  36. 36 HRG1**8S1R-**ACentury, Comfort-Aire
    17,600 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Central · 5°F 8,000 Btu/h · Cold output 44–48% · HSPF2 8.0 · 64 pairings

  37. 37 A-VXP36SA-1Century, Comfort-Aire
    38,000 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 36,000 Btu/h · Cold output 94–105% · HSPF2 9.5 · 12 pairings

  38. 38 HRG1536S1R-**ACentury, Comfort-Aire
    32,800 Btu/hheating at 47°F 35,800 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 17,400 Btu/h · Cold output 49–56% · HSPF2 7.8 · 243 pairings

  39. 39 A-VXP30SA-1Century, Comfort-Aire
    30,000 Btu/hheating at 47°F 29,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 32,000 Btu/h · Cold output 96–107% · HSPF2 9.6 · 15 pairings

  40. 40 A-VXP60SA-1Century, Comfort-Aire
    56,000 Btu/hheating at 47°F 52,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 45,000 Btu/h · Cold output 74–93% · HSPF2 8.5 · 9 pairings

  41. 41 HRG1860S1PCentury, Comfort-Aire
    46,500 Btu/hheating at 47°F 46,500 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 26,000 Btu/h · Cold output 56% · HSPF2 7.8 · 4 pairings

  42. 42 HRG1524S1R-**ACentury, Comfort-Aire
    21,800 Btu/hheating at 47°F 23,200 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 10,600 Btu/h · Cold output 48–51% · HSPF2 7.8 · 155 pairings

  43. 43 HSA1418S1-**ACentury, Comfort-Aire
    17,600 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Central · 5°F 8,200 Btu/h · Cold output 45–47% · HSPF2 7.8 · 40 pairings

  44. 44 A-VXP48SA-1Century, Comfort-Aire
    48,000 Btu/hheating at 47°F 45,000 Btu/hcooling at 95°F

    42,000 Btu (3.5-ton) · Central · 5°F 42,000 Btu/h · Cold output 88–92% · HSPF2 9.2 · 6 pairings

  45. 45 HRG1530S1R-**ACentury, Comfort-Aire
    27,600 Btu/hheating at 47°F 29,400 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 14,400 Btu/h · Cold output 49–53% · HSPF2 8.1 · 156 pairings

  46. 46 A-VCD48SA-1Century, Comfort-Aire
    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 · 5 pairings

  47. 47 A-VCD36SA-1Century, Comfort-Aire
    39,000 Btu/hheating at 47°F 35,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 32,000 Btu/h · Cold output 82–86% · HSPF2 9.5 · 11 pairings

  48. 48 A-VCD30SA-1Century, Comfort-Aire
    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 8.9 · 11 pairings

  49. 49 HSA1442S1-**ACentury, Comfort-Aire
    39,500 Btu/hheating at 47°F 42,000 Btu/hcooling at 95°F

    42,000 Btu (3.5-ton) · Central · 5°F 20,000 Btu/h · Cold output 49–52% · HSPF2 7.8 · 44 pairings

  50. 50 HSA1436S1-**ACentury, Comfort-Aire
    34,600 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 16,600 Btu/h · Cold output 46–53% · HSPF2 7.8 · 32 pairings

  51. 51 HSA1430S1-**ACentury, Comfort-Aire
    26,600 Btu/hheating at 47°F 29,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 13,500 Btu/h · Cold output 46–53% · HSPF2 7.8 · 24 pairings

  52. 52 A-VCD60SA-1Century, Comfort-Aire
    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 · 5 pairings

  53. 53 HRG1548S1R-**ACentury, Comfort-Aire
    46,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 25,200 Btu/h · Cold output 53–57% · HSPF2 8.1 · 112 pairings

  54. 54 HSA1448S1-**ACentury, Comfort-Aire
    46,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 24,000 Btu/h · Cold output 51–52% · HSPF2 8.0 · 14 pairings

  55. 55 HSA1424S1-**ACentury, Comfort-Aire
    22,200 Btu/hheating at 47°F 23,800 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 11,000 Btu/h · Cold output 48–54% · HSPF2 8.0 · 98 pairings

  56. 56 HRG1542S1R-**ACentury, Comfort-Aire
    39,000 Btu/hheating at 47°F 41,000 Btu/hcooling at 95°F

    42,000 Btu (3.5-ton) · Central · 5°F 19,900 Btu/h · Cold output 50–54% · HSPF2 7.8 · 60 pairings

Century 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 A-ZHP09SA-1 Century, Comfort-Aire Mini-split 9,000 Btu13,500 12,000 9,000 113% 2.00 33.3 14.6 Variable R-454B US CA 2
2 A-ZHP15SA-1 Century, Comfort-Aire Mini-split 15,000 Btu13,500 15,000 15,000 90% 2.00 27.0 11.0 Variable R-454B US CA 2
3 A-VMH06SV-1 Century, Comfort-Aire Mini-split 6,000 Btu7,500 7,000 6,000 107% 2.10 26.5 13.6 Variable R-410A US CA 3
4 A-VMH09SV-1 Century, Comfort-Aire Mini-split 9,000 Btu10,000 9,800 9,000 85–108% 1.80 25.0 11.0 Variable R-410A US CA 11
5 A-VHP09SA-1 Century, Comfort-Aire Mini-split 9,000 Btu11,300 9,000 9,000 96–126% 1.84 24.0 12.1 Variable R-454B US CA 15
6 A-VHP06SA-1 Century, Comfort-Aire Mini-split 6,000 Btu7,700 7,000 6,000 109–110% 2.40 23.8 13.4 Variable R-454B US CA 6
7 A-VMH12SV-1 Century, Comfort-Aire Mini-split 12,000 Btu (1-ton)11,900 12,000 12,000 83–100% 1.89 23.6 10.0 Variable R-410A US CA 15
8 A-VHP12SA-1 Century, Comfort-Aire Mini-split 12,000 Btu (1-ton)11,500 12,000 12,000 92–100% 1.95 23.0 10.5 Variable R-454B US CA 15
9 A-VHP183A-1 Century, Comfort-Aire Mini-split 18,000 Btu (1.5-ton)18,500 20,000 19,000 90–95% 2.00 22.5 10.2 Variable R-454B US CA 9
10 A-VHP486A-1 Century, Comfort-Aire Mini-split 48,000 Btu (4-ton)47,500 48,500 47,000 96–100% 2.00 21.7 11.0 Variable R-454B US CA 9
11 A-VMH28TV-1 Century, Comfort-Aire Mini-split 30,000 Btu (2.5-ton)25,000 28,000 28,000 89% 1.80 21.5 10.1 Variable R-410A US CA 9
12 A-VMH48PV-1 Century, Comfort-Aire Mini-split 48,000 Btu (4-ton)43,500 49,000 47,500 87–92% 2.00 21.4 9.4 Variable R-410A US CA 9
13 A-VHP365A-1 Century, Comfort-Aire Mini-split 36,000 Btu (3-ton)37,000 36,000 36,000 100–106% 2.00 21.2 10.6 Variable R-454B US CA 9
14 A-VHP556A-1 Century, Comfort-Aire Mini-split 54,000 Btu (4.5-ton)47,500 55,000 52,000 85–87% 2.05 21.1 10.6 Variable R-454B US CA 9
15 A-VHP284A-1 Century, Comfort-Aire Mini-split 30,000 Btu (2.5-ton)27,000 27,000 27,000 96–100% 2.00 21.0 10.0 Variable R-454B US CA 9
16 A-VMH36QV-1A Century, Comfort-Aire Mini-split 36,000 Btu (3-ton)36,400 36,000 36,000 100–103% 1.95 20.9 10.5 Variable R-410A US CA 9
17 A-VMH36QV-1 Century, Comfort-Aire Mini-split 36,000 Btu (3-ton)34,400 37,000 36,000 89–97% 1.80 20.6 10.2 Variable R-410A US CA 9
18 A-VMH24SV-1 Century, Comfort-Aire Mini-split 24,000 Btu (2-ton)25,000 29,000 24,000 82–108% 2.00 20.5 11.0 Variable R-410A US CA 13
19 A-VMH18DV-1 Century, Comfort-Aire Mini-split 18,000 Btu (1.5-ton)19,300 20,000 19,000 95–99% 1.88 20.5 9.6 Variable R-410A US CA 9
20 A-VHP24SA-1 Century, Comfort-Aire Mini-split 24,000 Btu (2-ton)24,000 26,000 24,000 83–95% 2.18 20.4 11.7 Variable R-454B US CA 15
21 A-VMH55PV-1 Century, Comfort-Aire Mini-split 54,000 Btu (4.5-ton)46,000 55,000 55,000 84% 1.90 20.4 9.4 Variable R-410A US CA 9
22 A-VHP18SA-1 Century, Comfort-Aire Mini-split 18,000 Btu (1.5-ton)17,500 17,000 16,000 88–103% 1.92 20.0 11.0 Variable R-454B US CA 21
23 A-VMH18SV-1 Century, Comfort-Aire Mini-split 18,000 Btu (1.5-ton)17,000 19,000 18,000 89–100% 1.85 20.0 9.8 Variable R-410A US CA 13
24 A-VMH30SG-1 Century, Comfort-Aire Mini-split 30,000 Btu (2.5-ton)17,500 30,000 30,000 58% 1.95 20.0 9.2 Variable R-410A US CA 2
25 A-VHP33SA-1 Century, Comfort-Aire Mini-split 30,000 Btu (2.5-ton)35,000 36,000 33,000 97% 1.98 19.5 10.5 Variable R-454B US CA 5
26 A-VMH33SV-1 Century, Comfort-Aire Mini-split 30,000 Btu (2.5-ton)34,600 35,000 33,000 99% 1.80 19.5 10.0 Variable R-410A US CA 3
27 A-SVH09SB-1 Century, Comfort-Aire Mini-split 9,000 Btu7,100 10,000 9,000 71% 2.10 18.5 8.8 Variable R-410A US CA 3
28 HRG1836S1P Century, Comfort-Aire Central 24,000 Btu (2-ton)15,200 23,200 23,200 52–66% 1.96 18.5 8.1 Variable R-410A US CA 94
29 A-VCD18SA-1 Century, Comfort-Aire Central 18,000 Btu (1.5-ton)16,500 19,000 18,000 79–87% 2.04 18.0 9.3 Variable R-410A US CA 8
30 HSA1936V1-**A Century, Comfort-Aire Central 24,000 Btu (2-ton)15,500 23,600 24,000 45–71% 1.90 18.0 8.2 Variable R-454B US CA 142
31 A-VXP18SA-1 Century, Comfort-Aire Central 18,000 Btu (1.5-ton)18,000 19,000 18,000 95–103% 2.06 17.6 9.6 Variable R-454B US CA 12
32 HSA1960V1-**A Century, Comfort-Aire Central 48,000 Btu (4-ton)23,600 46,500 48,000 48–62% 1.87 17.5 8.0 Variable R-454B US CA 82
33 A-VCD24SA-1 Century, Comfort-Aire Central 24,000 Btu (2-ton)22,600 24,000 24,000 80–94% 1.91 17.4 10.0 Variable R-410A US CA 8
34 A-VXP24SA-1 Century, Comfort-Aire Central 24,000 Btu (2-ton)21,000 25,000 24,000 78–90% 1.84 16.8 9.8 Variable R-454B US CA 12
35 HRG1518S1R-**A Century, Comfort-Aire Central 18,000 Btu (1.5-ton)8,200 17,200 18,000 44–52% 2.06 16.4 8.0 1-stage R-410A US CA 142
36 HRG1**8S1R-**A Century, Comfort-Aire Central 18,000 Btu (1.5-ton)8,000 17,600 18,000 44–48% 2.04 16.4 8.0 1-stage R-410A US CA 64
37 A-VXP36SA-1 Century, Comfort-Aire Central 36,000 Btu (3-ton)36,000 38,000 36,000 94–105% 1.90 16.3 9.5 Variable R-454B US CA 12
38 HRG1536S1R-**A Century, Comfort-Aire Central 36,000 Btu (3-ton)17,400 32,800 35,800 49–56% 2.14 16.2 7.8 1-stage R-410A US CA 243
39 A-VXP30SA-1 Century, Comfort-Aire Central 30,000 Btu (2.5-ton)32,000 30,000 29,000 96–107% 1.85 16.0 9.6 Variable R-454B US CA 15
40 A-VXP60SA-1 Century, Comfort-Aire Central 54,000 Btu (4.5-ton)45,000 56,000 52,000 74–93% 1.80 16.0 8.5 Variable R-454B US CA 9
41 HRG1860S1P Century, Comfort-Aire Central 48,000 Btu (4-ton)26,000 46,500 46,500 56% 1.92 16.0 7.8 Variable R-410A US 4
42 HRG1524S1R-**A Century, Comfort-Aire Central 24,000 Btu (2-ton)10,600 21,800 23,200 48–51% 2.06 16.0 7.8 1-stage R-410A US CA 155
43 HSA1418S1-**A Century, Comfort-Aire Central 18,000 Btu (1.5-ton)8,200 17,600 18,000 45–47% 1.94 16.0 7.8 1-stage R-454B US CA 40
44 A-VXP48SA-1 Century, Comfort-Aire Central 42,000 Btu (3.5-ton)42,000 48,000 45,000 88–92% 1.88 15.9 9.2 Variable R-454B US CA 6
45 HRG1530S1R-**A Century, Comfort-Aire Central 30,000 Btu (2.5-ton)14,400 27,600 29,400 49–53% 2.23 15.7 8.1 1-stage R-410A US CA 156
46 A-VCD48SA-1 Century, Comfort-Aire Central 48,000 Btu (4-ton)46,000 50,000 47,000 92% 1.90 15.6 9.4 Variable R-410A US CA 5
47 A-VCD36SA-1 Century, Comfort-Aire Central 36,000 Btu (3-ton)32,000 39,000 35,000 82–86% 1.97 15.5 9.5 Variable R-410A US CA 11
48 A-VCD30SA-1 Century, Comfort-Aire Central 30,000 Btu (2.5-ton)24,000 33,000 30,000 73–82% 1.80 15.5 8.9 Variable R-410A US CA 11
49 HSA1442S1-**A Century, Comfort-Aire Central 42,000 Btu (3.5-ton)20,000 39,500 42,000 49–52% 2.06 15.5 7.8 1-stage R-454B US CA 44
50 HSA1436S1-**A Century, Comfort-Aire Central 36,000 Btu (3-ton)16,600 34,600 36,000 46–53% 1.97 15.5 7.8 1-stage R-454B US CA 32
51 HSA1430S1-**A Century, Comfort-Aire Central 30,000 Btu (2.5-ton)13,500 26,600 29,000 46–53% 1.96 15.5 7.8 1-stage R-454B US CA 24
52 A-VCD60SA-1 Century, Comfort-Aire 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 5
53 HRG1548S1R-**A Century, Comfort-Aire Central 48,000 Btu (4-ton)25,200 46,000 48,000 53–57% 2.26 15.2 8.1 1-stage R-410A US CA 112
54 HSA1448S1-**A Century, Comfort-Aire Central 48,000 Btu (4-ton)24,000 46,000 48,000 51–52% 2.12 15.2 8.0 1-stage R-454B US CA 14
55 HSA1424S1-**A Century, Comfort-Aire Central 24,000 Btu (2-ton)11,000 22,200 23,800 48–54% 2.06 15.2 8.0 1-stage R-454B US CA 98
56 HRG1542S1R-**A Century, Comfort-Aire Central 42,000 Btu (3.5-ton)19,900 39,000 41,000 50–54% 2.10 15.2 7.8 1-stage R-410A US CA 60

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

56 of 56 units

Other sizes

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