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Mitsutomo vs TRUST AIR CONDITIONERS: heat pump ratings compared

Against heat pumps of the same size and type, a typical Mitsutomo model beats 59% and a typical TRUST AIR CONDITIONERS model 59%. They are level.

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

Mitsutomo

59%

of similar heat pumps beaten by its typical model

Above average

31 models listed

TRUST AIR CONDITIONERS

59%

of similar heat pumps beaten by its typical model

Above average

42 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°FMitsutomo: Beats 48%TRUST AIR CONDITIONERS: Beats 52%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FMitsutomo: Beats 72%TRUST AIR CONDITIONERS: Beats 57%
  • Winter-long heating efficiencyHSPF2Mitsutomo: Beats 72%TRUST AIR CONDITIONERS: Beats 72%
  • Summer-long cooling efficiencySEER2Mitsutomo: Beats 60%TRUST AIR CONDITIONERS: Beats 65%
  • Hot-day cooling efficiencyEER2Mitsutomo: Beats 50%TRUST AIR CONDITIONERS: 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

    Mitsutomo
    71%
    TRUST AIR CONDITIONERS
    69%

  • Xcel CC

    Mitsutomo
    68%
    TRUST AIR CONDITIONERS
    52%

  • CEE Advanced

    Mitsutomo
    3%
    TRUST AIR CONDITIONERS
    2%

  • ENERGY STAR CC

    Mitsutomo
    77%
    TRUST AIR CONDITIONERS
    57%

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?

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

TRUST AIR CONDITIONERS

  1. 1OUS09H/O4S4Pwith ductless indoor unit IUMW106H/I41PTRUST AIR CONDITIONERS0.5 tons · 6,000 Btu/h · DuctlessKeeps 107% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    107% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.09 (COP at 5°F)
    Great
    Seasonal efficiency
    13.6 (HSPF2)
    Top 10%
    89.3score / 100
  2. 2OAH09H/O4S4Pwith ductless indoor unit IUMW109H/I41PTRUST AIR CONDITIONERS1 ton · 9,000 Btu/h · DuctlessKeeps 88% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    88% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.97 (COP at 5°F)
    Good
    Seasonal efficiency
    11.5 (HSPF2)
    Top 10%
    76.2score / 100
  3. 3OUS12H/O4S4Pwith ductless indoor unit IUMCO12H/I41PTRUST AIR CONDITIONERS1 ton · 12,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.26 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.2 (HSPF2)
    Good
    68.3score / 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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