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ACIQ vs Mitsubishi Electric: heat pump ratings compared

Against heat pumps of the same size and type, a typical ACIQ model beats 50% and a typical Mitsubishi Electric model 60%. Mitsubishi Electric rates higher overall.

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

ACIQ

50%

of similar heat pumps beaten by its typical model

About average

175 models listed

Mitsubishi Electric

60%

of similar heat pumps beaten by its typical model

Well above average

156 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°FACIQ: Beats 55%Mitsubishi Electric: Beats 55%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FACIQ: Beats 43%Mitsubishi Electric: Beats 54%
  • Winter-long heating efficiencyHSPF2ACIQ: Beats 52%Mitsubishi Electric: Beats 66%
  • Summer-long cooling efficiencySEER2ACIQ: Beats 49%Mitsubishi Electric: Beats 63%
  • Hot-day cooling efficiencyEER2ACIQ: Beats 52%Mitsubishi Electric: Beats 60%

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

    ACIQ
    55%
    Mitsubishi Electric
    81%

  • Xcel CC

    ACIQ
    46%
    Mitsubishi Electric
    67%

  • CEE Advanced

    ACIQ
    2%
    Mitsubishi Electric
    10%

  • ENERGY STAR CC

    ACIQ
    34%
    Mitsubishi Electric
    66%

All-around best, ducted 2.5–3 tons

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

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

ACIQ

  1. 1H5H3V36*K*AAA*with ducted air handler FCMA5B60L0D*+WALLCONACIQ3 tons · 35,000 Btu/h · DuctedCold-climate pick, score 71.9Meets 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
    2.08 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    22.0 (SEER2)
    Top 10%
    Hot-day cooling
    13.0 (EER2)
    Top 10%
    85.1score / 100Heating 71 · Cooling 99
  2. 2B5H3V36*K*AAA*with ducted air handler FCMA5B60L0D*+WALLCONACIQ3 tons · 35,000 Btu/h · DuctedCold-climate pick, score 72.7Meets 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
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    22.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.5 (EER2)
    Top 10%
    84.7score / 100Heating 73 · Cooling 97
  3. 3ACIQ-36Z-HH-M5CACIQ3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 82.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    106% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.4 (HSPF2)
    Top 10%
    Cooling efficiency
    19.4 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    83.6score / 100Heating 83 · Cooling 85

Mitsubishi Electric

  1. 1PUZ-AK30NLHZ2***with ducted air handler PVA-AA30NLMitsubishi Electric2.5 tons · 30,000 Btu/h · DuctedCold-climate pick, score 88.7Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Winter efficiency
    10.1 (HSPF2)
    Great
    Cooling efficiency
    21.0 (SEER2)
    Top 10%
    Hot-day cooling
    13.5 (EER2)
    Top 10%
    93.9score / 100Heating 89 · Cooling 99
  2. 2PUZ-AK30NLHZ***with ducted air handler PVA-AA30NLMitsubishi Electric2.5 tons · 30,000 Btu/h · DuctedCold-climate pick, score 81.1Meets 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
    2.30 (COP at 5°F)
    Great
    Winter efficiency
    9.3 (HSPF2)
    Great
    Cooling efficiency
    21.0 (SEER2)
    Top 10%
    Hot-day cooling
    13.5 (EER2)
    Top 10%
    90.0score / 100Heating 81 · Cooling 99
  3. 3PUZ-AK36NLHZ2***with ducted air handler PVA-AA36NLMitsubishi Electric3 tons · 36,000 Btu/h · DuctedCold-climate pick, score 83.7Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    21.2 (SEER2)
    Top 10%
    Hot-day cooling
    12.1 (EER2)
    Great
    89.0score / 100Heating 84 · Cooling 94

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