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BHI vs YISO: heat pump ratings compared

Against heat pumps of the same size and type, a typical BHI model beats 17% and a typical YISO model 66%. YISO rates higher overall.

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

BHI

17%

of similar heat pumps beaten by its typical model

Well below average

7 models listed

YISO

66%

of similar heat pumps beaten by its typical model

Well above average

7 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°FBHI: Beats 23%YISO: Beats 50%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBHI: Beats 15%YISO: Beats 52%
  • Winter-long heating efficiencyHSPF2BHI: Beats 36%YISO: Beats 75%
  • Summer-long cooling efficiencySEER2BHI: Beats 9%YISO: Beats 80%
  • Hot-day cooling efficiencyEER2BHI: Beats 10%YISO: Beats 64%

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

    BHI
    14%
    YISO
    100%

  • Xcel CC

    BHI
    14%
    YISO
    100%

  • CEE Advanced

    BHI
    0%
    YISO
    0%

  • ENERGY STAR CC

    BHI
    0%
    YISO
    100%

Top cold-climate picks, ductless 5 tons and up

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

BHI

No ductless, 5 tons and up model from BHI.

YISO

No ductless, 5 tons and up model from YISO.

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