Skip to content
Rebate.Blue

AUX vs Mitsubishi Electric: heat pump ratings compared

Against heat pumps of the same size and type, a typical AUX model beats 52% 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

AUX

52%

of similar heat pumps beaten by its typical model

About average

149 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°FAUX: Beats 62%Mitsubishi Electric: Beats 55%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAUX: Beats 51%Mitsubishi Electric: Beats 54%
  • Winter-long heating efficiencyHSPF2AUX: Beats 43%Mitsubishi Electric: Beats 66%
  • Summer-long cooling efficiencySEER2AUX: Beats 51%Mitsubishi Electric: Beats 63%
  • Hot-day cooling efficiencyEER2AUX: Beats 40%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

    AUX
    68%
    Mitsubishi Electric
    81%

  • Xcel CC

    AUX
    63%
    Mitsubishi Electric
    67%

  • CEE Advanced

    AUX
    1%
    Mitsubishi Electric
    10%

  • ENERGY STAR CC

    AUX
    44%
    Mitsubishi Electric
    66%

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?

AUX

  1. 1ASUM18HPMULOAUX1.5 tons · 18,000 Btu/h · DuctedCold-climate pick, score 74.7Meets 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
    9.8 (HSPF2)
    Good
    Cooling efficiency
    20.5 (SEER2)
    Top 10%
    Hot-day cooling
    12.3 (EER2)
    Great
    79.0score / 100Heating 75 · Cooling 83
  2. 2AFEB09HP230V1CO-Uwith ducted air handler AFEB09HP230V1SDAUX1 ton · 9,100 Btu/h · DuctedCold-climate pick, score 52.1Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    93% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.0 (HSPF2)
    Below the middle
    Cooling efficiency
    19.5 (SEER2)
    Good
    Hot-day cooling
    13.0 (EER2)
    Great
    65.4score / 100Heating 52 · Cooling 79
  3. 3ASPR18HPMULOAUX1.5 tons · 17,700 Btu/h · DuctedCold-climate pick, score 55.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    78% (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
    19.5 (SEER2)
    Good
    Hot-day cooling
    11.8 (EER2)
    Good
    61.1score / 100Heating 56 · Cooling 67

Mitsubishi Electric

  1. 1SUZ-AA15NLHZ***with ducted air handler PEAD-AA15NLMitsubishi Electric1.5 tons · 15,000 Btu/h · DuctedCold-climate pick, score 85.6Meets 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)
    Top 10%
    Efficiency at 5°F
    2.18 (COP at 5°F)
    Great
    Winter efficiency
    10.2 (HSPF2)
    Great
    Cooling efficiency
    17.2 (SEER2)
    Good
    Hot-day cooling
    13.0 (EER2)
    Great
    78.3score / 100Heating 86 · Cooling 71
  2. 2SUZ-AA18NLHZ***with ducted air handler SEZ-AD18NLMitsubishi Electric1.5 tons · 18,000 Btu/h · DuctedCold-climate pick, score 83.2Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    111% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    17.0 (SEER2)
    Good
    Hot-day cooling
    12.8 (EER2)
    Great
    75.6score / 100Heating 83 · Cooling 68
  3. 3SUZ-AA12NLHZ***with ducted air handler PEAD-AA12NLMitsubishi Electric1 ton · 12,000 Btu/h · DuctedCold-climate pick, score 75.5Meets 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)
    Top 10%
    Efficiency at 5°F
    2.06 (COP at 5°F)
    Good
    Winter efficiency
    9.5 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Good
    Hot-day cooling
    13.6 (EER2)
    Top 10%
    75.2score / 100Heating 76 · Cooling 75

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