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GOETTL vs MRCOOL: heat pump ratings compared

Against heat pumps of the same size and type, a typical GOETTL model beats 42% 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

GOETTL

42%

of similar heat pumps beaten by its typical model

Below average

110 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°FGOETTL: Beats 39%MRCOOL: Beats 49%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FGOETTL: Beats 18%MRCOOL: Beats 41%
  • Winter-long heating efficiencyHSPF2GOETTL: Beats 26%MRCOOL: Beats 51%
  • Summer-long cooling efficiencySEER2GOETTL: Beats 38%MRCOOL: Beats 50%
  • Hot-day cooling efficiencyEER2GOETTL: Beats 64%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

    GOETTL
    12%
    MRCOOL
    47%

  • Xcel CC

    GOETTL
    3%
    MRCOOL
    25%

  • CEE Advanced

    GOETTL
    0%
    MRCOOL
    0%

  • ENERGY STAR CC

    GOETTL
    0%
    MRCOOL
    23%

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?

GOETTL

No ductless, 2.5–3 tons model from GOETTL.

MRCOOL

  1. 1DIY-MULTI3-27HP230CMRCOOL2.5 tons · 27,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.83 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.5 (HSPF2)
    Good
    53.7score / 100

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