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AURUS vs ZENAIRE: heat pump ratings compared

Against heat pumps of the same size and type, a typical AURUS model beats 32% and a typical ZENAIRE model 17%. AURUS rates higher overall.

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

AURUS

32%

of similar heat pumps beaten by its typical model

Well below average

12 models listed

ZENAIRE

17%

of similar heat pumps beaten by its typical model

Well below average

24 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°FAURUS: Beats 41%ZENAIRE: Beats 73%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAURUS: Beats 21%ZENAIRE: Beats 0%
  • Winter-long heating efficiencyHSPF2AURUS: Beats 35%ZENAIRE: Beats 18%
  • Summer-long cooling efficiencySEER2AURUS: Beats 31%ZENAIRE: Beats 17%
  • Hot-day cooling efficiencyEER2AURUS: Beats 27%ZENAIRE: Beats 37%

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

    AURUS
    33%
    ZENAIRE
    0%

  • Xcel CC

    AURUS
    33%
    ZENAIRE
    0%

  • CEE Advanced

    AURUS
    0%
    ZENAIRE
    0%

  • ENERGY STAR CC

    AURUS
    33%
    ZENAIRE
    0%

All-around best, ductless 3.5–4.5 tons

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

Showing Ductless, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

AURUS

No ductless, 3.5–4.5 tons model from AURUS.

ZENAIRE

No ductless, 3.5–4.5 tons model from ZENAIRE.

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