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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 48% and a typical Fujitsu model 58%. Fujitsu rates higher overall.

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

COMFORTSTAR

48%

of similar heat pumps beaten by its typical model

About average

117 models listed

Fujitsu

58%

of similar heat pumps beaten by its typical model

Above average

164 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 46%Fujitsu: Beats 70%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCOMFORTSTAR: Beats 44%Fujitsu: Beats 65%
  • Winter-long heating efficiencyHSPF2COMFORTSTAR: Beats 49%Fujitsu: Beats 53%
  • Summer-long cooling efficiencySEER2COMFORTSTAR: Beats 44%Fujitsu: Beats 46%
  • Hot-day cooling efficiencyEER2COMFORTSTAR: Beats 44%Fujitsu: Beats 49%

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
    37%
    Fujitsu
    38%

  • Xcel CC

    COMFORTSTAR
    24%
    Fujitsu
    34%

  • CEE Advanced

    COMFORTSTAR
    1%
    Fujitsu
    6%

  • ENERGY STAR CC

    COMFORTSTAR
    22%
    Fujitsu
    28%

Top cold-climate picks, ductless 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 Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

COMFORTSTAR

  1. 1CVH-36-4SHCOMFORTSTAR3 tons · 36,000 Btu/h · DuctlessKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Seasonal efficiency
    10.3 (HSPF2)
    Great
    79.3score / 100
  2. 2CHF36CD(O)with ductless indoor unit TIP-36COMFORTSTAR3 tons · 36,000 Btu/h · DuctlessKeeps 103% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.83 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    75.0score / 100
  3. 3CVH-27-3SHCOMFORTSTAR2.5 tons · 28,000 Btu/h · DuctlessKeeps 89% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.6 (HSPF2)
    Top 10%
    61.4score / 100

Fujitsu

  1. 1AOU30RLXEHwith ductless indoor unit ASU30RLEFujitsu2.5 tons · 30,000 Btu/h · DuctlessKeeps 107% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    107% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.06 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    90.6score / 100
  2. 2AOUH30LUAS1with ductless indoor unit AUUH30LUASFujitsu2.5 tons · 30,000 Btu/h · DuctlessKeeps 93% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    93% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.12 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.6 (HSPF2)
    Top 10%
    89.6score / 100
  3. 3AOU30RGLXwith ductless indoor unit AUU30RGLXFujitsu2.5 tons · 30,000 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.4 (HSPF2)
    Top 10%
    86.1score / 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