Skip to content

Ephoca vs Mitsutomo: heat pump ratings compared

Against heat pumps of the same size and type, a typical Ephoca model beats 31% 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

Ephoca

31%

of similar heat pumps beaten by its typical model

Well below average

382 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°FEphoca: Beats 21%Mitsutomo: Beats 61%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FEphoca: Beats 51%Mitsutomo: Beats 58%
  • Winter-long heating efficiencyHSPF2Ephoca: Beats 40%Mitsutomo: Beats 69%
  • Summer-long cooling efficiencySEER2Ephoca: Beats 21%Mitsutomo: Beats 57%
  • Hot-day cooling efficiencyEER2Ephoca: Beats 28%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

    Ephoca
    0%
    Mitsutomo
    82%
  • Xcel CC

    Ephoca
    31%
    Mitsutomo
    75%
  • CEE Advanced

    Ephoca
    0%
    Mitsutomo
    4%
  • ENERGY STAR CC

    Ephoca
    49%
    Mitsutomo
    77%

All-around best, ductless 5 tons and up

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

Ephoca

No ductless, 5 tons and up model from Ephoca.

Mitsutomo

  1. 1RO-MS60-LA-QMitsutomo5 tons · 60,000 Btu/h · DuctlessNot a cold-climate pick: keeps 63% of its heat at 5°FMeets CEE 2025
    Heat kept at 5°F
    60% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.6 (HSPF2)
    Good
    Cooling efficiency
    19.2 (SEER2)
    Below the middle
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    32.5score / 100Heating 28 · Cooling 37

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