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ComfiAire vs MAXI AIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical ComfiAire model beats 59% and a typical MAXI AIR model 67%. MAXI AIR rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

ComfiAire

59%

of similar heat pumps beaten by its typical model

Above average

18 models listed

MAXI AIR

67%

of similar heat pumps beaten by its typical model

Well above average

19 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°FComfiAire: Beats 39%MAXI AIR: Beats 41%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FComfiAire: Beats 74%MAXI AIR: Beats 70%
  • Winter-long heating efficiencyHSPF2ComfiAire: Beats 45%MAXI AIR: Beats 75%
  • Summer-long cooling efficiencySEER2ComfiAire: Beats 49%MAXI AIR: Beats 76%
  • Hot-day cooling efficiencyEER2ComfiAire: Beats 43%MAXI AIR: Beats 63%

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

    ComfiAire
    61%
    MAXI AIR
    68%

  • Xcel CC

    ComfiAire
    61%
    MAXI AIR
    74%

  • CEE Advanced

    ComfiAire
    0%
    MAXI AIR
    0%

  • ENERGY STAR CC

    ComfiAire
    61%
    MAXI AIR
    53%

Top cold-climate picks, ducted 2.5–3 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

ComfiAire

  1. 1CA-36UHDOwith ducted air handler CA-36UHDIComfiAire3 tons · 34,000 Btu/h · DuctedKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.05 (COP at 5°F)
    Great
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    75.1score / 100

MAXI AIR

  1. 1MAXS-2430with ducted air handler NE-F52-MAC36HWDMAXI AIR2.5 tons · 30,000 Btu/h · DuctedKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.7 (HSPF2)
    Great
    67.8score / 100
  2. 2NE-T53-MULTI28EMAXI AIRAlso listed as NE-T53-MULTI28E2.5 tons · 28,000 Btu/h · DuctedKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    66.7score / 100
  3. 3NE-T53-MULTI36EMAXI AIR3 tons · 36,000 Btu/h · DuctedKeeps 89% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.70 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Top 10%
    64.2score / 100

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