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AireForce vs Mitsutomo: heat pump ratings compared

Against heat pumps of the same size and type, a typical AireForce model beats 41% and a typical Mitsutomo model 58%. Mitsutomo rates higher overall.

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

AireForce

41%

of similar heat pumps beaten by its typical model

Below average

54 models listed

Mitsutomo

58%

of similar heat pumps beaten by its typical model

Above average

56 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°FAireForce: Beats 33%Mitsutomo: Beats 61%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAireForce: Beats 43%Mitsutomo: Beats 58%
  • Winter-long heating efficiencyHSPF2AireForce: Beats 37%Mitsutomo: Beats 69%
  • Summer-long cooling efficiencySEER2AireForce: Beats 43%Mitsutomo: Beats 57%
  • Hot-day cooling efficiencyEER2AireForce: Beats 47%Mitsutomo: Beats 51%

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

    AireForce
    52%
    Mitsutomo
    82%

  • Xcel CC

    AireForce
    48%
    Mitsutomo
    75%

  • CEE Advanced

    AireForce
    4%
    Mitsutomo
    4%

  • ENERGY STAR CC

    AireForce
    22%
    Mitsutomo
    77%

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?

AireForce

  1. 1AC-18-HP-E-32with ducted air handler AC-18-AH-E-32AireForce1.5 tons · 18,000 Btu/h · DuctedKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    8.6 (HSPF2)
    Below the middle
    49.3score / 100
  2. 2DXH18FMK3IHAireForce1.5 tons · 18,000 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
    1.86 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.1 (HSPF2)
    Below the middle
    39.3score / 100

Mitsutomo

  1. 1HO-SZ06-LA-Qwith ducted air handler HD-UZ06-LA-QMitsutomo0.5 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. 2UHO18-NB-LA-Qwith ducted air handler UHMX3-18-AB-LA-QMitsutomo1.5 tons · 18,000 Btu/h · DuctedKeeps 103% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.12 (COP at 5°F)
    Great
    Seasonal efficiency
    10.1 (HSPF2)
    Great
    85.5score / 100
  3. 3HO-SZ18-LA-Qwith ducted air handler S-HD-UZ18-LA-QMitsutomo1.5 tons · 17,500 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
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    11.1 (HSPF2)
    Top 10%
    82.3score / 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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