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LG vs MRCOOL: heat pump ratings compared

Against heat pumps of the same size and type, a typical LG model beats 65% and a typical MRCOOL model 54%. LG rates higher overall.

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

LG

65%

of similar heat pumps beaten by its typical model

Well above average

78 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°FLG: Beats 59%MRCOOL: Beats 49%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FLG: Beats 64%MRCOOL: Beats 41%
  • Winter-long heating efficiencyHSPF2LG: Beats 70%MRCOOL: Beats 51%
  • Summer-long cooling efficiencySEER2LG: Beats 63%MRCOOL: Beats 50%
  • Hot-day cooling efficiencyEER2LG: Beats 69%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

    LG
    74%
    MRCOOL
    47%

  • Xcel CC

    LG
    68%
    MRCOOL
    25%

  • CEE Advanced

    LG
    9%
    MRCOOL
    0%

  • ENERGY STAR CC

    LG
    45%
    MRCOOL
    23%

Top cold-climate picks, ducted up to 1.5 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 Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

LG

  1. 1LUU090HVwith ducted air handler LHN098HV1LG1 ton · 9,000 Btu/h · DuctedKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Seasonal efficiency
    10.4 (HSPF2)
    Great
    78.7score / 100
  2. 2LUU120HVwith ducted air handler LHN128HV1LG1 ton · 12,000 Btu/h · DuctedKeeps 73% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    73% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.30 (COP at 5°F)
    Great
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    73.1score / 100
  3. 3LUU180HHVwith ducted air handler LVN181HV4LG1.5 tons · 18,000 Btu/h · DuctedKeeps 83% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.09 (COP at 5°F)
    Good
    Seasonal efficiency
    8.9 (HSPF2)
    Below the middle
    57.5score / 100

MRCOOL

  1. 1DIYH-18-HP-C-230C25with ducted air handler DIYH-18-HP-MUAH-230C25MRCOOL1.5 tons · 18,000 Btu/h · DuctedKeeps 93% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    93% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.13 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    73.5score / 100
  2. 2MULTI2-18HP230BMRCOOL1.5 tons · 18,000 Btu/h · DuctedKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.8 (HSPF2)
    Good
    52.0score / 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