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AUFIT vs Pioneer: heat pump ratings compared

Against heat pumps of the same size and type, a typical AUFIT model beats 53% and a typical Pioneer model 47%. AUFIT 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

Pioneer

47%

of similar heat pumps beaten by its typical model

About average

46 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%Pioneer: Beats 41%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAUFIT: Beats 51%Pioneer: Beats 43%
  • Winter-long heating efficiencyHSPF2AUFIT: Beats 52%Pioneer: Beats 56%
  • Summer-long cooling efficiencySEER2AUFIT: Beats 61%Pioneer: Beats 56%
  • Hot-day cooling efficiencyEER2AUFIT: Beats 38%Pioneer: Beats 40%

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%
    Pioneer
    74%

  • Xcel CC

    AUFIT
    78%
    Pioneer
    70%

  • CEE Advanced

    AUFIT
    0%
    Pioneer
    0%

  • ENERGY STAR CC

    AUFIT
    51%
    Pioneer
    54%

Top cold-climate picks, ductless up to 1.5 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, 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 · DuctlessKeeps 82% of its heat at 5°FMeets 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
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    79.2score / 100
  2. 2FM2-H18/2DR3AAUFIT1.5 tons · 17,700 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    64.5score / 100
  3. 3ASW-H12C5B3/**R3DI-C6with ductless indoor unit ASW-H12C5B3/**R3DI-C6AUFIT1 ton · 12,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets 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
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    64.1score / 100

Pioneer

  1. 1YN018GMSI24RPGwith ductless indoor unit FB018GMSILDFHGPioneer1.5 tons · 16,000 Btu/h · DuctlessKeeps 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
    2.16 (COP at 5°F)
    Great
    Seasonal efficiency
    13.5 (HSPF2)
    Top 10%
    78.7score / 100
  2. 2YN012GMSI24RPGwith ductless indoor unit FB012GMSILDFHGPioneer1 ton · 12,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.51 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    11.0 (HSPF2)
    Great
    76.6score / 100
  3. 3YN009GMSI24RPGwith ductless indoor unit CK009GMSILDFHGPioneer1 ton · 9,000 Btu/h · DuctlessKeeps 73% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    73% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.17 (COP at 5°F)
    Great
    Seasonal efficiency
    11.8 (HSPF2)
    Top 10%
    71.1score / 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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