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ACIQ vs Fujitsu: heat pump ratings compared

Against heat pumps of the same size and type, a typical ACIQ model beats 47% 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

ACIQ

47%

of similar heat pumps beaten by its typical model

About average

161 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°FACIQ: Beats 48%Fujitsu: Beats 70%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FACIQ: Beats 43%Fujitsu: Beats 65%
  • Winter-long heating efficiencyHSPF2ACIQ: Beats 44%Fujitsu: Beats 53%
  • Summer-long cooling efficiencySEER2ACIQ: Beats 45%Fujitsu: Beats 46%
  • Hot-day cooling efficiencyEER2ACIQ: Beats 50%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

    ACIQ
    41%
    Fujitsu
    38%

  • Xcel CC

    ACIQ
    32%
    Fujitsu
    34%

  • CEE Advanced

    ACIQ
    1%
    Fujitsu
    6%

  • ENERGY STAR CC

    ACIQ
    19%
    Fujitsu
    28%

Top cold-climate picks, ductless 2 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 tons (21,000–26,999 Btu/h cooling). What size is my system?

ACIQ

  1. 1ACIQ-24ZPL-HP230Bwith ductless indoor unit ACIQ-24FM-HH-MBACIQ2 tons · 24,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    85.4score / 100
  2. 2SC-27Z-HH-M4BACIQ2 tons · 23,200 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    76.1score / 100
  3. 3SC-27Z-HH-M3ACIQ2 tons · 22,000 Btu/h · DuctlessKeeps 115% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    115% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    66.1score / 100

Fujitsu

  1. 1AOUH24LMAS1with ductless indoor unit ASUH24LMASFujitsu2 tons · 22,000 Btu/h · DuctlessKeeps 116% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    116% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.08 (COP at 5°F)
    Good
    Seasonal efficiency
    11.4 (HSPF2)
    Top 10%
    89.0score / 100
  2. 2AOU24RGLXwith ductless indoor unit AUU24RGLXFujitsu2 tons · 24,000 Btu/h · DuctlessKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.97 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.1 (HSPF2)
    Great
    88.6score / 100
  3. 3AOUH24LUAS1with ductless indoor unit AUUH24LUASFujitsu2 tons · 24,000 Btu/h · DuctlessKeeps 98% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    98% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.12 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    84.9score / 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