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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 5 tons and up

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

Showing Ductless, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?

AUX

No ductless, 5 tons and up model from AUX.

Friedrich

No ductless, 5 tons and up model from Friedrich.

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.

Open the advanced view