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CONFORTOTAL vs YISO: heat pump ratings compared

Against heat pumps of the same size and type, a typical CONFORTOTAL model beats 28% and a typical YISO model 75%. YISO rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

CONFORTOTAL

28%

of similar heat pumps beaten by its typical model

Well below average

4 models listed

YISO

75%

of similar heat pumps beaten by its typical model

Well above average

4 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°FCONFORTOTAL: Beats 19%YISO: Beats 60%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCONFORTOTAL: Beats 21%YISO: Beats 65%
  • Winter-long heating efficiencyHSPF2CONFORTOTAL: Beats 21%YISO: Beats 79%
  • Summer-long cooling efficiencySEER2CONFORTOTAL: Beats 36%YISO: Beats 90%
  • Hot-day cooling efficiencyEER2CONFORTOTAL: Beats 36%YISO: Beats 75%

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

    CONFORTOTAL
    75%
    YISO
    100%

  • Xcel CC

    CONFORTOTAL
    0%
    YISO
    100%

  • CEE Advanced

    CONFORTOTAL
    0%
    YISO
    0%

  • ENERGY STAR CC

    CONFORTOTAL
    0%
    YISO
    100%

Top cold-climate picks, ductless 2.5–3 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 Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

CONFORTOTAL

None of CONFORTOTAL’s ductless, 2.5–3 tons models qualifies.

YISO

No ductless, 2.5–3 tons 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