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Maxi Air heat pumps

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

Filters Maxi Air
  1. 1 NE-T52-SUPAE12EMaxi Air, Supreme
    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 100% · HSPF2 10.4 · 2 pairings

  2. 2 NE-T53-AEG12EXTMaxi Air, QuébecVair
    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 100% · HSPF2 10.4 · 2 pairings

  3. 3 T55-AES12EXT454Maxi Air
    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 96% · HSPF2 10.5 · 1 pairing

  4. 4 NE-T52-PLA18INTMaxi Air
    18,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 12,600 Btu/h · Cold output 70% · HSPF2 10.3 · 1 pairing

  5. 5 YS21F-18HRDN1Maxi Air
    18,000 Btu/hheating at 47°F 18,000 Btu/hcooling at 95°F

    18,000 Btu (1.5-ton) · Mini-split · 5°F 12,600 Btu/h · Cold output 70% · HSPF2 10.3 · 1 pairing

  6. 6 NE-T52-PLA12INTMaxi Air
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 8,100 Btu/h · Cold output 68% · HSPF2 9.3 · 1 pairing

  7. 7 YS21F-12HRDN1Maxi Air
    12,000 Btu/hheating at 47°F 12,000 Btu/hcooling at 95°F

    12,000 Btu (1-ton) · Mini-split · 5°F 8,100 Btu/h · Cold output 68% · HSPF2 9.3 · 1 pairing

  8. 8 T55-MULTI18E454Maxi Air
    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 · 3 pairings

  9. 9 NE-T52-SUPAE18EMaxi Air, Supreme
    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 11.3 · 2 pairings

  10. 10 NE-T53-AEG18EXTMaxi Air, QuébecVair
    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 11.3 · 2 pairings

  11. 11 NE-T53-MULTI28EMaxi Air, QuébecVair
    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 · 6 pairings

  12. 12 T55-AES18EXT454Maxi Air
    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 11.0 · 1 pairing

  13. 13 T55-MULTI36E454Maxi Air
    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 · 3 pairings

  14. 14 T55-MULTI28E454Maxi Air
    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 · 3 pairings

  15. 15 NE-T53-MULTI36EMaxi Air, QuébecVair
    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 · 6 pairings

  16. 16 MAXS-2430-454Maxi Air
    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 · 4 pairings

  17. 17 MAXS-4260-454Maxi Air
    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 80–93% · HSPF2 8.8 · 2 pairings

  18. 18 MAXS-2430Maxi Air
    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

  19. 19 MAXS-4260Maxi Air
    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

Maxi Air 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 NE-T52-SUPAE12E Maxi Air, Supreme Mini-split 12,000 Btu (1-ton)12,000 12,000 12,000 100% 1.80 25.5 10.4 Variable R-410A US CA 2
2 NE-T53-AEG12EXT Maxi Air, QuébecVair Mini-split 12,000 Btu (1-ton)12,000 12,000 12,000 100% 1.80 25.5 10.4 Variable R-410A US CA 2
3 T55-AES12EXT454 Maxi Air Mini-split 12,000 Btu (1-ton)11,500 12,000 12,000 96% 1.80 25.4 10.5 Variable R-454B US CA 1
4 NE-T52-PLA18INT Maxi Air Mini-split 18,000 Btu (1.5-ton)12,600 18,000 18,000 70% 2.39 23.7 10.3 Variable R-410A US CA 1
5 YS21F-18HRDN1 Maxi Air Mini-split 18,000 Btu (1.5-ton)12,600 18,000 18,000 70% 2.39 23.7 10.3 Variable R-410A US CA 1
6 NE-T52-PLA12INT Maxi Air Mini-split 12,000 Btu (1-ton)8,100 12,000 12,000 68% 2.24 23.1 9.3 Variable R-410A US CA 1
7 YS21F-12HRDN1 Maxi Air Mini-split 12,000 Btu (1-ton)8,100 12,000 12,000 68% 2.24 23.1 9.3 Variable R-410A US CA 1
8 T55-MULTI18E454 Maxi Air 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 3
9 NE-T52-SUPAE18E Maxi Air, Supreme Mini-split 18,000 Btu (1.5-ton)18,000 18,000 18,000 100% 1.80 21.5 11.3 Variable R-410A US CA 2
10 NE-T53-AEG18EXT Maxi Air, QuébecVair Mini-split 18,000 Btu (1.5-ton)18,000 18,000 18,000 100% 1.80 21.5 11.3 Variable R-410A US CA 2
11 NE-T53-MULTI28E Maxi Air, QuébecVair 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 6
12 T55-AES18EXT454 Maxi Air Mini-split 18,000 Btu (1.5-ton)18,000 18,000 18,000 100% 1.92 21.4 11.0 Variable R-454B US CA 1
13 T55-MULTI36E454 Maxi Air 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 3
14 T55-MULTI28E454 Maxi Air 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 3
15 NE-T53-MULTI36E Maxi Air, QuébecVair 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 6
16 MAXS-2430-454 Maxi Air 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 4
17 MAXS-4260-454 Maxi Air Central 54,000 Btu (4.5-ton)45,000 56,000 52,000 80–93% 1.80 16.0 8.8 Variable R-454B US CA 2
18 MAXS-2430 Maxi Air 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
19 MAXS-4260 Maxi Air 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.

19 of 19 units

Other sizes

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