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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 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

ACIQ

50%

of similar heat pumps beaten by its typical model

About average

175 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°FACIQ: Beats 55%Fujitsu: Beats 60%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FACIQ: Beats 43%Fujitsu: Beats 48%
  • Winter-long heating efficiencyHSPF2ACIQ: Beats 52%Fujitsu: Beats 44%
  • Summer-long cooling efficiencySEER2ACIQ: Beats 49%Fujitsu: Beats 43%
  • Hot-day cooling efficiencyEER2ACIQ: Beats 52%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

    ACIQ
    55%
    Fujitsu
    32%

  • Xcel CC

    ACIQ
    46%
    Fujitsu
    30%

  • CEE Advanced

    ACIQ
    2%
    Fujitsu
    8%

  • ENERGY STAR CC

    ACIQ
    34%
    Fujitsu
    27%

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

ACIQ

  1. 1ACIQ-24ZPL-HP230Cwith ducted air handler ACIQ-24CD-HH-MCACIQ2 tons · 24,000 Btu/h · DuctedKeeps 92% of its heat at 5°FMeets 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
    Seasonal efficiency
    11.7 (HSPF2)
    Top 10%
    85.7score / 100
  2. 2ACIQ-24ZS-HP230Cwith ducted air handler ACIQ-24CD-HH-MCACIQ2 tons · 24,000 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
    2.30 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    77.1score / 100
  3. 3ACIQ-24-HP32with ducted air handler ACIQ-24-AH32ACIQ2 tons · 24,000 Btu/h · DuctedKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    76.2score / 100

Fujitsu

  1. 1AOUH24KUAH1with ducted air handler ARUH24KUASFujitsu2 tons · 24,000 Btu/h · DuctedKeeps 113% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.08 (COP at 5°F)
    Good
    Seasonal efficiency
    10.2 (HSPF2)
    Top 10%
    83.4score / 100
  2. 2AOUH24KWAH3Fujitsu2 tons · 22,000 Btu/h · DuctedKeeps 101% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    101% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.08 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    83.3score / 100
  3. 3AOUH24KUAS1with ducted air handler AMUH24KUASFujitsu2 tons · 24,000 Btu/h · DuctedKeeps 91% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    91% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Good
    Seasonal efficiency
    10.1 (HSPF2)
    Great
    80.7score / 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