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LG heat pumps: how do their ratings compare?

A typical LG heat pump beats 65% of similar heat pumps (same size and type), which is well above average. LG has 78 heat pump models in this list.

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

Overall score

65%

of similar heat pumps beaten by its typical model

Well above average

Ranked 2 among brands with a QMID on file. Based on 102 models with every rating.

LG, rating by ratingStrongest on winter-long heating efficiency (beats 70%), weakest on efficiency on a 5°f day (beats 59%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 59%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 64%
  • Winter-long heating efficiencyHSPF2Beats 70%
  • Summer-long cooling efficiencySEER2Beats 63%
  • Hot-day cooling efficiencyEER2Beats 69%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want LG’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 74%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    58 models. All brands: 48%.

    See them

  • 68%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    53 models. All brands: 38%.

    See them

  • 9%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    7 models. All brands: 1%.

    See them

Top LG cold-climate picks, by size

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?

8 of LG’s 11 models of this size and type qualify.

  1. 1LMU421HHVLG3.5 tons · 42,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.29 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    97.4score / 100
  2. 2LMU480HHVLG4 tons · 48,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.34 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    95.8score / 100
  3. 3LUU420HHVwith ductless indoor unit LCN429HVLG3.5 tons · 42,000 Btu/h · DuctlessKeeps 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
    2.20 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.8 (HSPF2)
    Top 10%
    83.8score / 100
  4. 4LUU480HHVwith ductless indoor unit LCN489HVLG4 tons · 48,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.7 (HSPF2)
    Top 10%
    81.1score / 100
  5. 5ARUN048GSS4LG4 tons · 48,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.16 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.2 (HSPF2)
    Great
    79.0score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has LG’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view