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AUX vs Friedrich: heat pump ratings compared

Against heat pumps of the same size and type, a typical AUX model beats 49% and a typical Friedrich model 39%. AUX rates higher overall.

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

AUX

49%

of similar heat pumps beaten by its typical model

About average

189 models listed

Friedrich

39%

of similar heat pumps beaten by its typical model

Well below average

188 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 60%Friedrich: Beats 46%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAUX: Beats 51%Friedrich: Beats 35%
  • Winter-long heating efficiencyHSPF2AUX: Beats 40%Friedrich: Beats 31%
  • Summer-long cooling efficiencySEER2AUX: Beats 48%Friedrich: Beats 34%
  • Hot-day cooling efficiencyEER2AUX: Beats 39%Friedrich: Beats 38%

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%
    Friedrich
    27%

  • Xcel CC

    AUX
    66%
    Friedrich
    21%

  • CEE Advanced

    AUX
    1%
    Friedrich
    1%

  • ENERGY STAR CC

    AUX
    35%
    Friedrich
    22%

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?

AUX

  1. 1ASW-H18E3B2/*R3DI-D2with ductless indoor unit ASW-H18E3B2/*R3DI-D2AUXAlso listed as ASW-H18E3B2/**R3DI-D21.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 80.6Meets 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)
    Top 10%
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Great
    84.2score / 100Heating 81 · Cooling 88
  2. 2AMAR18HP230V1COwith ductless indoor unit AMAR18HP230V1CHAUX1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 78.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    85% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.21 (COP at 5°F)
    Great
    Winter efficiency
    10.2 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Great
    83.2score / 100Heating 79 · Cooling 88
  3. 3AMAR09HP115V1COwith ductless indoor unit AMAR09HP115V1CHAUX1 ton · 9,200 Btu/h · DuctlessCold-climate pick, score 69.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.91 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    14.0 (EER2)
    Great
    78.9score / 100Heating 70 · Cooling 88

Friedrich

  1. 1FPHSR09A3Bwith ductless indoor unit FAHFW09A3AFriedrichAlso listed as FPHSR09A3D1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 83.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.09 (COP at 5°F)
    Good
    Winter efficiency
    11.0 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    13.7 (EER2)
    Great
    85.0score / 100Heating 83 · Cooling 87
  2. 2FPHSR09A1Bwith ductless indoor unit FAHSW09A1AFriedrichAlso listed as FPHSR09A1C1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 64.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.0 (SEER2)
    Good
    Hot-day cooling
    14.1 (EER2)
    Great
    72.2score / 100Heating 65 · Cooling 80
  3. 3FPHMR18A3DFriedrich1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 71.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.99 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    22.0 (SEER2)
    Good
    Hot-day cooling
    13.3 (EER2)
    Great
    70.9score / 100Heating 71 · Cooling 71

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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