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Carrier vs Fujitsu: heat pump ratings compared

Against heat pumps of the same size and type, a typical Carrier model beats 48% and a typical Fujitsu model 53%. Fujitsu rates higher overall.

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

Carrier

48%

of similar heat pumps beaten by its typical model

About average

816 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°FCarrier: Beats 56%Fujitsu: Beats 60%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCarrier: Beats 34%Fujitsu: Beats 48%
  • Winter-long heating efficiencyHSPF2Carrier: Beats 40%Fujitsu: Beats 44%
  • Summer-long cooling efficiencySEER2Carrier: Beats 42%Fujitsu: Beats 43%
  • Hot-day cooling efficiencyEER2Carrier: Beats 59%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

    Carrier
    40%
    Fujitsu
    32%

  • Xcel CC

    Carrier
    27%
    Fujitsu
    30%

  • CEE Advanced

    Carrier
    1%
    Fujitsu
    8%

  • ENERGY STAR CC

    Carrier
    27%
    Fujitsu
    27%

Top cold-climate picks, ducted up to 1.5 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, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Carrier

  1. 137MAHAQ06AA3with ducted air handler 45MBDAQ06XA3CarrierAlso sold as Arcoaire D5CSHAH06AAK0.5 tons · 6,500 Btu/h · DuctedKeeps 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
    2.41 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    13.8 (HSPF2)
    Top 10%
    93.5score / 100
  2. 237MUHAQ18AA3with indoor coil DM36A3J+TDR and furnace 8(0,1)*SB36070M17Carrier (sold as Bryant Heating and Cooling Systems)1.5 tons · 16,800 Btu/h · DuctedKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    3.00 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.8 (HSPF2)
    Top 10%
    92.9score / 100
  3. 3D5CUHAH18AAKwith ducted air handler FM(C,U)5Z18**ALCarrier (sold as HEIL)1.5 tons · 18,000 Btu/h · DuctedKeeps 104% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    104% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.08 (COP at 5°F)
    Good
    Seasonal efficiency
    12.5 (HSPF2)
    Top 10%
    88.8score / 100

Fujitsu

  1. 1AOUH18KUAH1with ducted air handler ARUH18KUASFujitsu1.5 tons · 18,000 Btu/h · DuctedKeeps 112% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP
    Heat kept at 5°F
    112% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Great
    Seasonal efficiency
    10.3 (HSPF2)
    Great
    87.4score / 100
  2. 2AOUH12KUAH1with ducted air handler ARUH12KUASFujitsu1 ton · 12,000 Btu/h · DuctedKeeps 114% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP
    Heat kept at 5°F
    114% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    86.7score / 100
  3. 3AOUH12KUAS1with ducted air handler AMUH12KUASFujitsu1 ton · 12,000 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
    2.06 (COP at 5°F)
    Good
    Seasonal efficiency
    10.3 (HSPF2)
    Great
    84.1score / 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.

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