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Live cool vs MAXI AIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical Live cool model beats 57% and a typical MAXI AIR model 75%. MAXI AIR rates higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

Live cool

57%

of similar heat pumps beaten by its typical model

Above average

10 models listed

MAXI AIR

75%

of similar heat pumps beaten by its typical model

Well above average

10 models listed

Rating by ratingEach bar is the share of same-size, same-type heat pumps that a typical model beats, so the two brands compare fairly even if they make different sizes.
  • Efficiency on a 5°F dayCOP at 5°FLive cool: Beats 44%MAXI AIR: Beats 51%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FLive cool: Beats 37%MAXI AIR: Beats 83%
  • Winter-long heating efficiencyHSPF2Live cool: Beats 57%MAXI AIR: Beats 83%
  • Summer-long cooling efficiencySEER2Live cool: Beats 74%MAXI AIR: Beats 77%
  • Hot-day cooling efficiencyEER2Live cool: Beats 63%MAXI AIR: Beats 77%

Average (50%)Dashed outline: the other brand, for comparison

Want ranks, distributions per size class and cold-weather curves? Switch to Advanced

Rebate standards

Share of each brand’s models that meet the level. Programs can have other rules too.

  • CEE 2025

    Live cool
    100%
    MAXI AIR
    100%

  • Xcel CC

    Live cool
    100%
    MAXI AIR
    100%

  • CEE Advanced

    Live cool
    0%
    MAXI AIR
    0%

  • ENERGY STAR CC

    Live cool
    90%
    MAXI AIR
    70%

All-around best, ductless 2.5–3 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

Showing Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

Live cool

No ductless, 2.5–3 tons model from Live cool.

MAXI AIR

  1. 1T55-MULTI36E454MAXI AIRAlso listed as T55-MULTI36E4543 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 78.0Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.7 (HSPF2)
    Great
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Great
    78.3score / 100Heating 76 · Cooling 81
  2. 2T55-MULTI28E454MAXI AIRAlso listed as T55-MULTI28E4542.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 72.9Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    12.5 (EER2)
    Great
    74.4score / 100Heating 73 · Cooling 76

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

Next steps

The advanced view adds ranks, both brands’ models inside every size class, standout models per rating and cold-weather curves.

Open the advanced view