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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%

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

AUFIT

  1. 1ASW-H24F6A2/ *R3DI-D7with ductless indoor unit ASW-H24F6A2/ *R3DI-D7AUFITAlso listed as ASW-H24F6A2/**R3DI-D72 tons · 22,400 Btu/h · DuctlessKeeps 85% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    85% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    77.4score / 100
  2. 2ASW-H24F8A2/*R3DI-C7with ductless indoor unit ASW-H24F8A2/*R3DI-C7AUFITAlso listed as ASW-H24F8A2/**R3DI-C72 tons · 23,000 Btu/h · DuctlessKeeps 87% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    77.2score / 100
  3. 3FM3-H24/2DR3AAUFIT2 tons · 24,000 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    67.5score / 100

Breeze33

  1. 1BZ33-HYP24OUT2-454-G3-Pwith ductless indoor unit BZ33-CASS24-454-G3-PBreeze332 tons · 23,400 Btu/h · DuctlessKeeps 95% of its heat at 5°FMeets 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
    2.23 (COP at 5°F)
    Great
    Seasonal efficiency
    11.6 (HSPF2)
    Top 10%
    89.4score / 100
  2. 2BZ33-HP24OUT2-454-G3-Cwith ductless indoor unit BZ33-HP24WALL2-454-G3-CBreeze332 tons · 24,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.14 (COP at 5°F)
    Great
    Seasonal efficiency
    9.3 (HSPF2)
    Below the middle
    48.0score / 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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