Skip to content
Rebate.Blue

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%

All-around best, ducted 2.5–3 tons

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

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

ACIQ

  1. 1ES-27Z-M3BACIQ2.5 tons · 28,000 Btu/h · DuctedNot a cold-climate pick: keeps 66% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    67% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.2 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    75.4score / 100Heating 65 · Cooling 86
  2. 2ACIQ-27Z-HH-M3BACIQ2.5 tons · 28,000 Btu/h · DuctedCold-climate pick, score 66.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    89% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    74.6score / 100Heating 67 · Cooling 83
  3. 3HVH837GKA2*with indoor coil EA*4X61L24A*+WALLCON and furnace *80CTL1352422AACIQAlso listed as HVH837GKA3 tons · 33,200 Btu/h · DuctedCold-climate pick, score 77.0Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.02 (COP at 5°F)
    Good
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    74.5score / 100Heating 66 · Cooling 83

Fujitsu

  1. 1FOP1836MJAZCAwith indoor coil FCCA6021SZEA and furnace FF75173LT80XFujitsu3 tons · 34,200 Btu/h · DuctedCold-climate pick, score 80.5Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    119% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.5 (EER2)
    Top 10%
    87.2score / 100Heating 81 · Cooling 94
  2. 2FOP1836MJAZCA1with ducted air handler FHRAVM6021SJZECAFujitsu3 tons · 34,200 Btu/h · DuctedCold-climate pick, score 74.7Meets 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
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.5 (EER2)
    Top 10%
    84.2score / 100Heating 75 · Cooling 94
  3. 3AOU36RLXFZHFujitsu3 tons · 35,200 Btu/h · DuctedCold-climate pick, score 77.7Meets 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
    2.02 (COP at 5°F)
    Good
    Winter efficiency
    8.7 (HSPF2)
    Good
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    80.3score / 100Heating 78 · Cooling 83

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