Skip to content
Rebate.Blue

AireForce vs Mitsutomo: heat pump ratings compared

Against heat pumps of the same size and type, a typical AireForce model beats 45% and a typical Mitsutomo model 59%. Mitsutomo rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

AireForce

45%

of similar heat pumps beaten by its typical model

About average

23 models listed

Mitsutomo

59%

of similar heat pumps beaten by its typical model

Above average

31 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 32%Mitsutomo: Beats 48%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAireForce: Beats 65%Mitsutomo: Beats 72%
  • Winter-long heating efficiencyHSPF2AireForce: Beats 37%Mitsutomo: Beats 72%
  • Summer-long cooling efficiencySEER2AireForce: Beats 40%Mitsutomo: Beats 60%
  • Hot-day cooling efficiencyEER2AireForce: Beats 43%Mitsutomo: Beats 50%

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
    71%

  • Xcel CC

    AireForce
    57%
    Mitsutomo
    68%

  • CEE Advanced

    AireForce
    0%
    Mitsutomo
    3%

  • ENERGY STAR CC

    AireForce
    35%
    Mitsutomo
    77%

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

AireForce

  1. 1GXH18(5.3)FMK4DH-1AireForce1.5 tons · 17,000 Btu/h · DuctlessKeeps 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
    2.21 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    73.1score / 100
  2. 2GXH18(5.3)LSK4DH2with ductless indoor unit GKH18(5.3)FMK4DH1AireForce1.5 tons · 18,000 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.93 (COP at 5°F)
    Good
    Seasonal efficiency
    8.5 (HSPF2)
    Below the middle
    47.2score / 100
  3. 3GXH12(3.5)LSK4DH2with ductless indoor unit GHH12(3.5)LUK4DH2AireForce1 ton · 12,000 Btu/h · DuctlessKeeps 75% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Below the middle
    45.7score / 100

Mitsutomo

  1. 1HO-SZ06-AB-Qwith ductless indoor unit HJ-UZ06-AB-QMitsutomo0.5 tons · 6,500 Btu/h · DuctlessKeeps 113% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR 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
    Seasonal efficiency
    10.8 (HSPF2)
    Great
    82.4score / 100
  2. 2HO-SZ12-AB-Qwith ductless indoor unit HL-UZ12-AB-QMitsutomo1 ton · 12,000 Btu/h · DuctlessKeeps 99% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    99% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.99 (COP at 5°F)
    Good
    Seasonal efficiency
    10.7 (HSPF2)
    Great
    77.0score / 100
  3. 3HO-SZ09-AB-Qwith ductless indoor unit HW-SZ09-AB-QMitsutomo1 ton · 9,000 Btu/h · DuctlessKeeps 94% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    11.6 (HSPF2)
    Top 10%
    74.8score / 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