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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, 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.

AUFIT

  1. 1FM3-H24/2DR3AAUFIT2 tons · 24,000 Btu/h · DuctedKeeps 77% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    77% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Good
    59.1score / 100
  2. 2XHU18HPV1AOwith ducted air handler XHU18HPV1AIAUFITAlso listed as FHU24HPV1AO2 tons · 23,000 Btu/h · DuctedKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.5 (HSPF2)
    Below the middle
    48.3score / 100

Breeze33

  1. 1BZ33-HYP24OUT2-454-G3-Pwith ducted air handler BZ33-DIDU24-454-G3-PBreeze332 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. 2BZ33-INV24OUT2-454-G3-Jwith ducted air handler BZ33-AHU24-454-G3-JBreeze332 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
  3. 3BZ33-HP274Z2-454-G3-PBreeze332 tons · 26,600 Btu/h · DuctedKeeps 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
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    48.6score / 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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