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AUFIT vs Breeze33: heat pump ratings compared

Against heat pumps of the same size and type, a typical AUFIT model beats 53% and a typical Breeze33 model 62%. Breeze33 rates higher overall.

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

AUFIT

53%

of similar heat pumps beaten by its typical model

About average

45 models listed

Breeze33

62%

of similar heat pumps beaten by its typical model

Well above average

45 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°FAUFIT: Beats 64%Breeze33: Beats 63%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAUFIT: Beats 51%Breeze33: Beats 58%
  • Winter-long heating efficiencyHSPF2AUFIT: Beats 52%Breeze33: Beats 66%
  • Summer-long cooling efficiencySEER2AUFIT: Beats 61%Breeze33: Beats 58%
  • Hot-day cooling efficiencyEER2AUFIT: Beats 38%Breeze33: Beats 66%

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

    AUFIT
    84%
    Breeze33
    67%

  • Xcel CC

    AUFIT
    78%
    Breeze33
    58%

  • CEE Advanced

    AUFIT
    0%
    Breeze33
    4%

  • ENERGY STAR CC

    AUFIT
    51%
    Breeze33
    56%

All-around best, ductless up to 1.5 tons

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

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

AUFIT

  1. 1ASW-H18E3B2/*R3DI-D2with ductless indoor unit ASW-H18E3B2/*R3DI-D2AUFITAlso listed as ASW-H18E3B2/**R3DI-D21.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 79.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.25 (COP at 5°F)
    Great
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Great
    82.9score / 100Heating 79 · Cooling 87
  2. 2ASW-H12C5B3/**R3DI-C6with ductless indoor unit ASW-H12C5B3/**R3DI-C6AUFIT1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 64.1Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Below the middle
    62.8score / 100Heating 64 · Cooling 62
  3. 3ASW-H12C5B3/*R3DI-C6with ductless indoor unit ASW-H12C5B3/*R3DI-C6AUFIT1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 64.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Below the middle
    62.8score / 100Heating 64 · Cooling 62

Breeze33

  1. 1BZ33-HYP06OUT2-454-G3-Pwith ductless indoor unit BZ33-HYP06WALL2-454-G3-PBreeze330.5 tons · 6,000 Btu/h · DuctlessCold-climate pick, score 96.7Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    110% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Winter efficiency
    14.8 (HSPF2)
    Top 10%
    Cooling efficiency
    25.5 (SEER2)
    Top 10%
    Hot-day cooling
    18.0 (EER2)
    Top 10%
    96.2score / 100Heating 97 · Cooling 96
  2. 2BZ33-HYP09OUT2-454-G3-Pwith ductless indoor unit BZ33-ICM09-454-G3-PBreeze331 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 73.3Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    126% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.9 (HSPF2)
    Great
    Cooling efficiency
    27.2 (SEER2)
    Top 10%
    Hot-day cooling
    15.1 (EER2)
    Top 10%
    83.6score / 100Heating 72 · Cooling 96
  3. 3BZ33-HYP183Z2-454-G3-PBreeze331.5 tons · 19,000 Btu/h · DuctlessCold-climate pick, score 73.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.4 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    15.0 (EER2)
    Top 10%
    81.9score / 100Heating 73 · Cooling 91

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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