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AI AIR CONDITIONING vs Mitsutomo: heat pump ratings compared

Against heat pumps of the same size and type, a typical AI AIR CONDITIONING model beats 62% and a typical Mitsutomo model 58%. AI AIR CONDITIONING rates slightly higher overall.

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

AI AIR CONDITIONING

62%

of similar heat pumps beaten by its typical model

Well above average

55 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°FAI AIR CONDITIONING: Beats 62%Mitsutomo: Beats 61%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAI AIR CONDITIONING: Beats 62%Mitsutomo: Beats 58%
  • Winter-long heating efficiencyHSPF2AI AIR CONDITIONING: Beats 74%Mitsutomo: Beats 69%
  • Summer-long cooling efficiencySEER2AI AIR CONDITIONING: Beats 62%Mitsutomo: Beats 57%
  • Hot-day cooling efficiencyEER2AI AIR CONDITIONING: Beats 57%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

    AI AIR CONDITIONING
    89%
    Mitsutomo
    82%

  • Xcel CC

    AI AIR CONDITIONING
    80%
    Mitsutomo
    75%

  • CEE Advanced

    AI AIR CONDITIONING
    4%
    Mitsutomo
    4%

  • ENERGY STAR CC

    AI AIR CONDITIONING
    82%
    Mitsutomo
    77%

Top cold-climate picks, ducted 2 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, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

AI AIR CONDITIONING

  1. 1AO25-24N2-M1Hwith ducted air handler AH-24N2-M1AI AIR CONDITIONING2 tons · 24,000 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
    2.18 (COP at 5°F)
    Good
    Seasonal efficiency
    11.7 (HSPF2)
    Top 10%
    85.7score / 100
  2. 2AO24-24N2-M1with ducted air handler AH-24N2-M1AI AIR CONDITIONING2 tons · 24,000 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
    2.30 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    77.1score / 100
  3. 3AUO19-24N2-M3Hwith ducted air handler AUH3-24N2-AM3EAI AIR CONDITIONING2 tons · 24,000 Btu/h · DuctedKeeps 86% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    75.8score / 100

Mitsutomo

  1. 1HO-SZ24-LA-Qwith ducted air handler HD-UZ24LA-QMitsutomo2 tons · 24,000 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
    2.18 (COP at 5°F)
    Good
    Seasonal efficiency
    11.7 (HSPF2)
    Top 10%
    85.7score / 100
  2. 2RU-SZ24-LA-Qwith ducted air handler HD-UZ24LA-QMitsutomo2 tons · 24,000 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
    2.30 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    77.1score / 100
  3. 3UHO24-NB-LA-Qwith ducted air handler UHMX3-24-AB-LA-QMitsutomo2 tons · 24,000 Btu/h · DuctedKeeps 86% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    75.8score / 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.

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