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Carrier vs MRCOOL: heat pump ratings compared

Against heat pumps of the same size and type, a typical Carrier model beats 47% 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

Carrier

47%

of similar heat pumps beaten by its typical model

About average

701 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°FCarrier: Beats 58%MRCOOL: Beats 49%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCarrier: Beats 32%MRCOOL: Beats 41%
  • Winter-long heating efficiencyHSPF2Carrier: Beats 38%MRCOOL: Beats 51%
  • Summer-long cooling efficiencySEER2Carrier: Beats 45%MRCOOL: Beats 50%
  • Hot-day cooling efficiencyEER2Carrier: Beats 59%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

    Carrier
    29%
    MRCOOL
    47%
  • Xcel CC

    Carrier
    17%
    MRCOOL
    25%
  • CEE Advanced

    Carrier
    2%
    MRCOOL
    0%
  • ENERGY STAR CC

    Carrier
    9%
    MRCOOL
    23%

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.

Carrier

  1. 1MCY-MAP0607HS-UL*Carrier (sold as Toshiba Carrier)5 tons · 60,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Great
    Seasonal efficiency
    10.6 (HSPF2)
    Top 10%
    89.2score / 100

MRCOOL

No ductless, 5 tons and up model from MRCOOL.

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