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DIYCOOL vs LG: heat pump ratings compared

Against heat pumps of the same size and type, a typical DIYCOOL model beats 54% and a typical LG model 56%. LG rates slightly higher overall.

Covers heat pumps sold new today (R-454B and R-32 refrigerant). See older R-410A models · Updated

DIYCOOL

54%

of similar heat pumps beaten by its typical model

About average

24 models listed

LG

56%

of similar heat pumps beaten by its typical model

Above average

100 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°FDIYCOOL: Beats 53%LG: Beats 56%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDIYCOOL: Beats 51%LG: Beats 57%
  • Winter-long heating efficiencyHSPF2DIYCOOL: Beats 63%LG: Beats 51%
  • Summer-long cooling efficiencySEER2DIYCOOL: Beats 60%LG: Beats 49%
  • Hot-day cooling efficiencyEER2DIYCOOL: Beats 47%LG: Beats 64%

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

    DIYCOOL
    79%
    LG
    86%
  • Xcel CC

    DIYCOOL
    71%
    LG
    78%
  • CEE Advanced

    DIYCOOL
    4%
    LG
    11%
  • ENERGY STAR CC

    DIYCOOL
    75%
    LG
    64%

All-around best, ducted up to 1.5 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

DIYCOOL

No ducted, up to 1.5 tons model from DIYCOOL.

LG

  1. 1KUSXA181Awith ducted air handler MSVT24***852FAALG1.5 tons · 17,400 Btu/h · DuctedCold-climate pick, score 80.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    137% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    18.0 (SEER2)
    Good
    Hot-day cooling
    13.5 (EER2)
    Top 10%
    78.7score / 100Heating 80 · Cooling 77
  2. 2KUSXB181Awith ducted air handler MSVT24***852FAALG1.5 tons · 17,400 Btu/h · DuctedCold-climate pick, score 75.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    124% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    17.5 (SEER2)
    Good
    Hot-day cooling
    13.5 (EER2)
    Top 10%
    75.6score / 100Heating 76 · Cooling 76
  3. 3KUSXA121Awith ducted air handler KNSLB121ALG1 ton · 12,500 Btu/h · DuctedCold-climate pick, score 70.4Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Good
    Winter efficiency
    9.8 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Good
    Hot-day cooling
    13.3 (EER2)
    Top 10%
    71.9score / 100Heating 70 · Cooling 74

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.

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