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KANIONco vs Mitsutomo: heat pump ratings compared

Against heat pumps of the same size and type, a typical KANIONco model beats 47% 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

KANIONco

47%

of similar heat pumps beaten by its typical model

About average

56 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°FKANIONco: Beats 37%Mitsutomo: Beats 61%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FKANIONco: Beats 45%Mitsutomo: Beats 58%
  • Winter-long heating efficiencyHSPF2KANIONco: Beats 50%Mitsutomo: Beats 69%
  • Summer-long cooling efficiencySEER2KANIONco: Beats 58%Mitsutomo: Beats 57%
  • Hot-day cooling efficiencyEER2KANIONco: Beats 41%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

    KANIONco
    66%
    Mitsutomo
    82%

  • Xcel CC

    KANIONco
    63%
    Mitsutomo
    75%

  • CEE Advanced

    KANIONco
    0%
    Mitsutomo
    4%

  • ENERGY STAR CC

    KANIONco
    36%
    Mitsutomo
    77%

All-around best, ducted up to 1.5 tons

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

Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

KANIONco

  1. 1KWSMO-18IR454BHS20KANIONco1.5 tons · 17,000 Btu/h · DuctedCold-climate pick, score 57.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    84% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Good
    Cooling efficiency
    21.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.0 (EER2)
    Good
    69.0score / 100Heating 58 · Cooling 80
  2. 2KVTAC-09IR32HSEKANIONcoAlso listed as KVTAC-12IR32HSE, KVTAC-15IR32HSE1 ton · 12,600 Btu/h · DuctedNot a cold-climate pick: keeps 56% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    56% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.61 (COP at 5°F)
    Below the middle
    Winter efficiency
    6.5 (HSPF2)
    Below the middle
    Cooling efficiency
    14.4 (SEER2)
    Below the middle
    Hot-day cooling
    11.1 (EER2)
    Below the middle
    18.3score / 100Heating 5 · Cooling 31
  3. 3KVTAC-16IR32HSEKANIONcoAlso listed as KVTAC-18IR32HSE, KVTAC-24IR32HSE1.5 tons · 18,300 Btu/h · DuctedNot a cold-climate pick: keeps 61% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    62% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.82 (COP at 5°F)
    Below the middle
    Winter efficiency
    7.1 (HSPF2)
    Below the middle
    Cooling efficiency
    12.8 (SEER2)
    Below the middle
    Hot-day cooling
    9.7 (EER2)
    Below the middle
    13.0score / 100Heating 21 · Cooling 5

Mitsutomo

  1. 1HO-SZ06-LA-Qwith ducted air handler HD-UZ06-LA-QMitsutomo0.5 tons · 6,500 Btu/h · DuctedCold-climate pick, score 93.5Meets 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%
    Winter efficiency
    13.8 (HSPF2)
    Top 10%
    Cooling efficiency
    21.4 (SEER2)
    Top 10%
    Hot-day cooling
    14.4 (EER2)
    Top 10%
    95.0score / 100Heating 94 · Cooling 97
  2. 2HO-SZ09-LA-Qwith ducted air handler HD-UZ09-LA-QMitsutomo1 ton · 9,000 Btu/h · DuctedCold-climate pick, score 80.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    112% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.89 (COP at 5°F)
    Below the middle
    Winter efficiency
    12.5 (HSPF2)
    Top 10%
    Cooling efficiency
    21.4 (SEER2)
    Top 10%
    Hot-day cooling
    13.4 (EER2)
    Top 10%
    86.7score / 100Heating 80 · Cooling 94
  3. 3RU-SZ09-LA-Qwith ducted air handler S-HD-UZ09-LA-QMitsutomo1 ton · 9,000 Btu/h · DuctedCold-climate pick, score 81.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.32 (COP at 5°F)
    Great
    Winter efficiency
    11.5 (HSPF2)
    Top 10%
    Cooling efficiency
    19.7 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Great
    80.8score / 100Heating 81 · Cooling 80

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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