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KANIONco vs MRCOOL: heat pump ratings compared

Against heat pumps of the same size and type, a typical KANIONco model beats 46% and a typical MRCOOL model 54%. MRCOOL rates higher overall.

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

KANIONco

46%

of similar heat pumps beaten by its typical model

About average

91 models listed

MRCOOL

54%

of similar heat pumps beaten by its typical model

About average

111 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°FKANIONco: Beats 49%MRCOOL: Beats 49%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FKANIONco: Beats 37%MRCOOL: Beats 41%
  • Winter-long heating efficiencyHSPF2KANIONco: Beats 45%MRCOOL: Beats 51%
  • Summer-long cooling efficiencySEER2KANIONco: Beats 48%MRCOOL: Beats 50%
  • Hot-day cooling efficiencyEER2KANIONco: Beats 38%MRCOOL: Beats 56%

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

    KANIONco
    57%
    MRCOOL
    47%

  • Xcel CC

    KANIONco
    33%
    MRCOOL
    25%

  • CEE Advanced

    KANIONco
    0%
    MRCOOL
    0%

  • ENERGY STAR CC

    KANIONco
    18%
    MRCOOL
    23%

Top cold-climate picks, ductless 3.5–4.5 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, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

KANIONco

None of KANIONco’s ductless, 3.5–4.5 tons models qualifies.

MRCOOL

None of MRCOOL’s ductless, 3.5–4.5 tons models qualifies.

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