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COMFORTSTAR vs Fujitsu: heat pump ratings compared

Against heat pumps of the same size and type, a typical COMFORTSTAR model beats 50% and a typical Fujitsu model 53%. Fujitsu rates slightly higher overall.

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

COMFORTSTAR

50%

of similar heat pumps beaten by its typical model

About average

133 models listed

Fujitsu

53%

of similar heat pumps beaten by its typical model

About average

179 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°FCOMFORTSTAR: Beats 51%Fujitsu: Beats 60%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCOMFORTSTAR: Beats 48%Fujitsu: Beats 48%
  • Winter-long heating efficiencyHSPF2COMFORTSTAR: Beats 54%Fujitsu: Beats 44%
  • Summer-long cooling efficiencySEER2COMFORTSTAR: Beats 49%Fujitsu: Beats 43%
  • Hot-day cooling efficiencyEER2COMFORTSTAR: Beats 44%Fujitsu: Beats 47%

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

    COMFORTSTAR
    53%
    Fujitsu
    32%

  • Xcel CC

    COMFORTSTAR
    47%
    Fujitsu
    30%

  • CEE Advanced

    COMFORTSTAR
    2%
    Fujitsu
    8%

  • ENERGY STAR CC

    COMFORTSTAR
    30%
    Fujitsu
    27%

All-around best, ductless 2 tons

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

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

COMFORTSTAR

  1. 1CPP3-24CD(O)with ductless indoor unit CPP3-24CD(I)COMFORTSTAR2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 77.9Meets 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
    2.15 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.5 (SEER2)
    Top 10%
    Hot-day cooling
    13.0 (EER2)
    Great
    74.3score / 100Heating 64 · Cooling 85
  2. 2CHF3-24CD(O)with ductless indoor unit CPP3-24CD(I)COMFORTSTAR2 tons · 23,000 Btu/h · DuctlessCold-climate pick, score 89.4Meets 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
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    13.3 (HSPF2)
    Top 10%
    Cooling efficiency
    22.3 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    72.9score / 100Heating 77 · Cooling 69
  3. 3CMZ3-30-4ZCOMFORTSTAR2 tons · 26,000 Btu/h · DuctlessCold-climate pick, score 41.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    23.0 (SEER2)
    Great
    Hot-day cooling
    12.2 (EER2)
    Good
    56.7score / 100Heating 41 · Cooling 72

Fujitsu

  1. 1AOUK024SSAN7Fujitsu2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 93.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    3.03 (COP at 5°F)
    Top 10%
    Winter efficiency
    11.3 (HSPF2)
    Top 10%
    Cooling efficiency
    22.2 (SEER2)
    Good
    Hot-day cooling
    15.7 (EER2)
    Top 10%
    88.0score / 100Heating 93 · Cooling 83
  2. 2AOUH24KWAH3Fujitsu2 tons · 22,000 Btu/h · DuctlessCold-climate pick, score 86.1Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    101% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    11.5 (HSPF2)
    Top 10%
    Cooling efficiency
    23.5 (SEER2)
    Top 10%
    Hot-day cooling
    13.5 (EER2)
    Great
    87.8score / 100Heating 86 · Cooling 90
  3. 3AOUH24KUAH1with ductless indoor unit AUUH24KUASFujitsu2 tons · 24,000 Btu/h · DuctlessCold-climate pick, score 85.3Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP
    Heat kept at 5°F
    104% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.02 (COP at 5°F)
    Good
    Winter efficiency
    11.0 (HSPF2)
    Great
    Cooling efficiency
    23.2 (SEER2)
    Great
    Hot-day cooling
    13.1 (EER2)
    Great
    85.1score / 100Heating 84 · Cooling 87

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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