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Cowsar vs Yoau: heat pump ratings compared

Against heat pumps of the same size and type, a typical Cowsar model beats 34% and a typical Yoau model 32%. Cowsar rates slightly higher overall.

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

Cowsar

34%

of similar heat pumps beaten by its typical model

Well below average

12 models listed

Yoau

32%

of similar heat pumps beaten by its typical model

Well below average

12 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°FCowsar: Beats 61%Yoau: Beats 67%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCowsar: Beats 28%Yoau: Beats 30%
  • Winter-long heating efficiencyHSPF2Cowsar: Beats 25%Yoau: Beats 14%
  • Summer-long cooling efficiencySEER2Cowsar: Beats 36%Yoau: Beats 44%
  • Hot-day cooling efficiencyEER2Cowsar: Beats 23%Yoau: Beats 9%

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

    Cowsar
    75%
    Yoau
    0%

  • Xcel CC

    Cowsar
    50%
    Yoau
    0%

  • CEE Advanced

    Cowsar
    0%
    Yoau
    0%

  • ENERGY STAR CC

    Cowsar
    0%
    Yoau
    0%

All-around best, ducted 2.5–3 tons

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

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

Cowsar

No ducted, 2.5–3 tons model from Cowsar.

Yoau

No ducted, 2.5–3 tons model from Yoau.

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