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Stealth heat pumps

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

Filters Stealth
  1. 1 ACIQ-06ZPL-HP230B1HVAC, ACiQ + 3 more
    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 107–113% · HSPF2 12.2 · 10 pairings

  2. 2 ACIQ-09ZPL-HP230B1HVAC, ACiQ + 3 more
    12,000 Btu/hheating at 47°F 9,000 Btu/hcooling at 95°F

    9,000 Btu · Mini-split · 5°F 10,600 Btu/h · Cold output 88–108% · HSPF2 11.5 · 26 pairings

  3. 3 ACIQ-12ZPL-HP230B1HVAC, ACiQ + 3 more
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 12,000 Btu/h · Cold output 88–100% · HSPF2 10.2 · 35 pairings

  4. 4 ES-27Z-M3B1HVAC, ACiQ + 3 more
    28,000 Btu/hheating at 47°F 28,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Mini-split · 5°F 18,800 Btu/h · Cold output 67–68% · HSPF2 9.4 · 15 pairings

  5. 5 ES-48Z-M5B1HVAC, ACiQ + 3 more
    48,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Mini-split · 5°F 33,000 Btu/h · Cold output 67–69% · HSPF2 9.0 · 10 pairings

  6. 6 ES-36Z-M4B1HVAC, ACiQ + 3 more
    37,000 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Mini-split · 5°F 24,600 Btu/h · Cold output 65–68% · HSPF2 9.4 · 15 pairings

  7. 7 ACIQ-27Z-HH-M3B1HVAC, ACiQ + 3 more
    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 · 16 pairings

  8. 8 ACIQ-09Z-HP115B1HVAC, ACiQ + 3 more
    10,000 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 60% · HSPF2 9.0 · 6 pairings

  9. 9 ACIQ-48Z-HH-M5B1HVAC, ACiQ + 3 more
    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 · 15 pairings

  10. 10 SC-27Z-HH-M4B1HVAC, ACiQ + 2 more
    24,000 Btu/hheating at 47°F 23,200 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Mini-split · 5°F 21,600 Btu/h · Cold output 90% · HSPF2 10.0 · 4 pairings

  11. 11 ES-18Z-M2B1HVAC, ACiQ + 3 more
    19,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 12,900 Btu/h · Cold output 66–70% · HSPF2 10.2 · 15 pairings

  12. 12 ACIQ-36Z-HH-M4B1HVAC, ACiQ + 3 more
    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 · 16 pairings

  13. 13 ACIQ-24ZPL-HP230B1HVAC, ACiQ + 3 more
    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 · 26 pairings

  14. 14 ACIQ-18Z-HH-M2B1HVAC, ACiQ + 3 more
    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 · 15 pairings

  15. 15 ACIQ-55Z-HH-M5B1HVAC, ACiQ + 3 more
    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 · 15 pairings

  16. 16 ACIQ-18ZPL-HP230B1HVAC, ACiQ + 3 more
    18,000 Btu/hheating at 47°F 17,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 16,800 Btu/h · Cold output 84–100% · HSPF2 9.8 · 40 pairings

  17. 17 ACIQ-48-HP321HVAC, ACiQ + 2 more
    48,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 48,000 Btu/h · Cold output 100% · HSPF2 10.0 · 4 pairings

  18. 18 ACIQ-60-HP321HVAC, ACiQ + 2 more
    54,000 Btu/hheating at 47°F 53,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 54,000 Btu/h · Cold output 100% · HSPF2 10.5 · 4 pairings

  19. 19 ACIQ-36-HP321HVAC, ACiQ + 2 more
    34,000 Btu/hheating at 47°F 34,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 34,000 Btu/h · Cold output 100% · HSPF2 10.0 · 4 pairings

  20. 20 ACIQ-24-HP321HVAC, ACiQ + 2 more
    25,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 25,000 Btu/h · Cold output 100% · HSPF2 10.0 · 4 pairings

  21. 21 ACIQ-PHH1748000K000V1HVAC, ACiQ + 2 more
    47,000 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 98% · HSPF2 8.5 · 4 pairings

  22. 22 ACIQ-36ZPL-HP230B1HVAC, ACiQ + 3 more
    39,000 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Mini-split · 5°F 36,600 Btu/h · Cold output 86–100% · HSPF2 10.5 · 15 pairings

  23. 23 ACIQ-12-EHPB1HVAC, ACiQ + 3 more
    13,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Central · 5°F 11,000 Btu/h · Cold output 85% · HSPF2 9.0 · 5 pairings

  24. 24 ACIQ-24-HPB1HVAC, ACiQ + 3 more
    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 9.8 · 23 pairings

  25. 25 ACIQ-48ZPL-HP230B1HVAC, ACiQ + 3 more
    51,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Mini-split · 5°F 49,000 Btu/h · Cold output 91–96% · HSPF2 10.7 · 15 pairings

  26. 26 ACIQ-24-EHPB1HVAC, ACiQ + 3 more
    26,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 19,400 Btu/h · Cold output 72–75% · HSPF2 9.8 · 15 pairings

  27. 27 ACIQ-18-HPB1HVAC, ACiQ + 3 more
    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 79–99% · HSPF2 9.5 · 25 pairings

  28. 28 ACIQ-PHH1760000K000V1HVAC, ACiQ + 2 more
    57,000 Btu/hheating at 47°F 56,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Central · 5°F 45,000 Btu/h · Cold output 79% · HSPF2 8.3 · 4 pairings

  29. 29 ACIQ-60ZPL-HP230B1HVAC, ACiQ + 3 more
    57,000 Btu/hheating at 47°F 55,000 Btu/hcooling at 95°F

    54,000 Btu (4.5-ton) · Mini-split · 5°F 53,000 Btu/h · Cold output 93–94% · HSPF2 9.9 · 10 pairings

  30. 30 SC-4860-HP1HVAC, ACiQ + 2 more
    48,000 Btu/hheating at 47°F 48,000 Btu/hcooling at 95°F

    48,000 Btu (4-ton) · Central · 5°F 39,000 Btu/h · Cold output 76–81% · HSPF2 9.0 · 8 pairings

  31. 31 SC-2436-HP1HVAC, ACiQ + 2 more
    24,000 Btu/hheating at 47°F 24,000 Btu/hcooling at 95°F

    24,000 Btu (2-ton) · Central · 5°F 22,000 Btu/h · Cold output 80–92% · HSPF2 9.0 · 8 pairings

  32. 32 ACIQ-36-HPB1HVAC, ACiQ + 3 more
    38,000 Btu/hheating at 47°F 36,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 33,400 Btu/h · Cold output 82–100% · HSPF2 9.5 · 23 pairings

  33. 33 ACIQ-30-HPB1HVAC, ACiQ + 3 more
    31,000 Btu/hheating at 47°F 30,000 Btu/hcooling at 95°F

    30,000 Btu (2.5-ton) · Central · 5°F 25,000 Btu/h · Cold output 73–87% · HSPF2 9.0 · 30 pairings

  34. 34 ACIQ-36-HPC1HVAC, ACiQ + 3 more
    36,000 Btu/hheating at 47°F 35,000 Btu/hcooling at 95°F

    36,000 Btu (3-ton) · Central · 5°F 30,000 Btu/h · Cold output 83–97% · HSPF2 8.5 · 15 pairings

Stealth 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 ACIQ-06ZPL-HP230B 1HVAC, ACiQ + 3 more Mini-split 6,000 Btu7,500 7,000 6,000 107–113% 2.05 24.3 12.2 Variable R-410A US CA 10
2 ACIQ-09ZPL-HP230B 1HVAC, ACiQ + 3 more Mini-split 9,000 Btu10,600 12,000 9,000 88–108% 1.90 24.0 11.5 Variable R-410A US CA 26
3 ACIQ-12ZPL-HP230B 1HVAC, ACiQ + 3 more Mini-split 12,000 Btu (1-ton)12,000 12,000 12,000 88–100% 1.89 23.6 10.2 Variable R-410A US CA 35
4 ES-27Z-M3B 1HVAC, ACiQ + 3 more Mini-split 30,000 Btu (2.5-ton)18,800 28,000 28,000 67–68% 2.00 22.8 9.4 Variable R-410A US CA 15
5 ES-48Z-M5B 1HVAC, ACiQ + 3 more Mini-split 48,000 Btu (4-ton)33,000 48,000 48,000 67–69% 1.78 22.7 9.0 Variable R-410A US CA 10
6 ES-36Z-M4B 1HVAC, ACiQ + 3 more Mini-split 36,000 Btu (3-ton)24,600 37,000 36,000 65–68% 1.74 22.0 9.4 Variable R-410A US CA 15
7 ACIQ-27Z-HH-M3B 1HVAC, ACiQ + 3 more 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 16
8 ACIQ-09Z-HP115B 1HVAC, ACiQ + 3 more Mini-split 9,000 Btu6,000 10,000 9,000 60% 1.89 21.5 9.0 Variable R-410A US CA 6
9 ACIQ-48Z-HH-M5B 1HVAC, ACiQ + 3 more 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 15
10 SC-27Z-HH-M4B 1HVAC, ACiQ + 2 more Mini-split 24,000 Btu (2-ton)21,600 24,000 23,200 90% 2.10 21.0 10.0 Variable R-410A US CA 4
11 ES-18Z-M2B 1HVAC, ACiQ + 3 more Mini-split 18,000 Btu (1.5-ton)12,900 19,000 18,000 66–70% 2.00 21.0 10.2 Variable R-410A US CA 15
12 ACIQ-36Z-HH-M4B 1HVAC, ACiQ + 3 more 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 16
13 ACIQ-24ZPL-HP230B 1HVAC, ACiQ + 3 more Mini-split 24,000 Btu (2-ton)25,000 29,000 24,000 82–108% 2.10 20.5 11.0 Variable R-410A US CA 26
14 ACIQ-18Z-HH-M2B 1HVAC, ACiQ + 3 more 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 15
15 ACIQ-55Z-HH-M5B 1HVAC, ACiQ + 3 more 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 15
16 ACIQ-18ZPL-HP230B 1HVAC, ACiQ + 3 more Mini-split 18,000 Btu (1.5-ton)16,800 18,000 17,000 84–100% 1.83 20.2 9.8 Variable R-410A US CA 40
17 ACIQ-48-HP32 1HVAC, ACiQ + 2 more Central 48,000 Btu (4-ton)48,000 48,000 48,000 100% 2.00 19.0 10.0 Variable R-32 US CA 4
18 ACIQ-60-HP32 1HVAC, ACiQ + 2 more Central 54,000 Btu (4.5-ton)54,000 54,000 53,000 100% 2.10 18.2 10.5 Variable R-32 US CA 4
19 ACIQ-36-HP32 1HVAC, ACiQ + 2 more Central 36,000 Btu (3-ton)34,000 34,000 34,000 100% 2.00 18.0 10.0 Variable R-32 US CA 4
20 ACIQ-24-HP32 1HVAC, ACiQ + 2 more Central 24,000 Btu (2-ton)25,000 25,000 24,000 100% 2.00 18.0 10.0 Variable R-32 US CA 4
21 ACIQ-PHH1748000K000V 1HVAC, ACiQ + 2 more Central 48,000 Btu (4-ton)46,000 47,000 47,000 98% 1.80 17.8 8.5 Variable R-410A US CA 4
22 ACIQ-36ZPL-HP230B 1HVAC, ACiQ + 3 more Mini-split 36,000 Btu (3-ton)36,600 39,000 36,000 86–100% 1.85 17.6 10.5 Variable R-410A US CA 15
23 ACIQ-12-EHPB 1HVAC, ACiQ + 3 more Central 12,000 Btu (1-ton)11,000 13,000 12,000 85% 2.60 17.5 9.0 Variable R-410A US CA 5
24 ACIQ-24-HPB 1HVAC, ACiQ + 3 more Central 24,000 Btu (2-ton)22,600 24,000 24,000 80–94% 1.95 17.4 9.8 Variable R-410A US CA 23
25 ACIQ-48ZPL-HP230B 1HVAC, ACiQ + 3 more Mini-split 48,000 Btu (4-ton)49,000 51,000 48,000 91–96% 1.98 17.0 10.7 Variable R-410A US CA 15
26 ACIQ-24-EHPB 1HVAC, ACiQ + 3 more Central 24,000 Btu (2-ton)19,400 26,000 24,000 72–75% 2.20 17.0 9.8 Variable R-410A US CA 15
27 ACIQ-18-HPB 1HVAC, ACiQ + 3 more Central 18,000 Btu (1.5-ton)16,500 19,000 18,000 79–99% 2.20 17.0 9.5 Variable R-410A US CA 25
28 ACIQ-PHH1760000K000V 1HVAC, ACiQ + 2 more Central 54,000 Btu (4.5-ton)45,000 57,000 56,000 79% 1.80 17.0 8.3 Variable R-410A US CA 4
29 ACIQ-60ZPL-HP230B 1HVAC, ACiQ + 3 more Mini-split 54,000 Btu (4.5-ton)53,000 57,000 55,000 93–94% 1.97 16.6 9.9 Variable R-410A US CA 10
30 SC-4860-HP 1HVAC, ACiQ + 2 more Central 48,000 Btu (4-ton)39,000 48,000 48,000 76–81% 1.80 16.5 9.0 Variable R-410A US CA 8
31 SC-2436-HP 1HVAC, ACiQ + 2 more Central 24,000 Btu (2-ton)22,000 24,000 24,000 80–92% 1.80 16.5 9.0 Variable R-410A US CA 8
32 ACIQ-36-HPB 1HVAC, ACiQ + 3 more Central 36,000 Btu (3-ton)33,400 38,000 36,000 82–100% 1.90 16.0 9.5 Variable R-410A US CA 23
33 ACIQ-30-HPB 1HVAC, ACiQ + 3 more Central 30,000 Btu (2.5-ton)25,000 31,000 30,000 73–87% 1.80 15.9 9.0 Variable R-410A US CA 30
34 ACIQ-36-HPC 1HVAC, ACiQ + 3 more Central 36,000 Btu (3-ton)30,000 36,000 35,000 83–97% 1.80 15.2 8.5 Variable R-410A US CA 15

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

34 of 34 units

Other sizes

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