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Custom Comfort vs MAXI AIR: heat pump ratings compared

Against heat pumps of the same size and type, a typical Custom Comfort model beats 71% and a typical MAXI AIR model 75%. MAXI AIR rates slightly higher overall.

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

Custom Comfort

71%

of similar heat pumps beaten by its typical model

Well above average

28 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°FCustom Comfort: Beats 64%MAXI AIR: Beats 51%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCustom Comfort: Beats 71%MAXI AIR: Beats 83%
  • Winter-long heating efficiencyHSPF2Custom Comfort: Beats 84%MAXI AIR: Beats 83%
  • Summer-long cooling efficiencySEER2Custom Comfort: Beats 69%MAXI AIR: Beats 77%
  • Hot-day cooling efficiencyEER2Custom Comfort: Beats 67%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

    Custom Comfort
    96%
    MAXI AIR
    100%

  • Xcel CC

    Custom Comfort
    100%
    MAXI AIR
    100%

  • CEE Advanced

    Custom Comfort
    4%
    MAXI AIR
    0%

  • ENERGY STAR CC

    Custom Comfort
    100%
    MAXI AIR
    70%

All-around best, ducted 2 tons

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

Showing Ducted, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

Custom Comfort

  1. 1CCOESBSZ24HPwith ducted air handler CCOXHBSD24Custom Comfort2 tons · 24,000 Btu/h · DuctedCold-climate pick, score 77.1Meets 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
    2.30 (COP at 5°F)
    Great
    Winter efficiency
    11.0 (HSPF2)
    Top 10%
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.5 (EER2)
    Great
    78.8score / 100Heating 77 · Cooling 81
  2. 2CCOXHBSZ24HPwith ducted air handler CCOXHBSD24Custom Comfort2 tons · 24,000 Btu/h · DuctedCold-climate pick, score 85.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.18 (COP at 5°F)
    Good
    Winter efficiency
    11.7 (HSPF2)
    Top 10%
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    78.4score / 100Heating 86 · Cooling 71
  3. 3CCOESBMZ427HPCustom Comfort2 tons · 26,600 Btu/h · DuctedCold-climate pick, score 48.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.0 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.0 (EER2)
    Good
    64.5score / 100Heating 49 · Cooling 81

MAXI AIR

No ducted, 2 tons model from MAXI AIR.

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.

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