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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%

Top cold-climate picks, ducted 2 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 Ducted, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

Cowsar

No ducted, 2 tons model from Cowsar.

Yoau

No ducted, 2 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