Skip to content

1HVAC vs LG: heat pump ratings compared

Against heat pumps of the same size and type, a typical 1HVAC model beats 54% and a typical LG model 65%. LG rates higher overall.

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

1HVAC

54%

of similar heat pumps beaten by its typical model

About average

87 models listed

LG

65%

of similar heat pumps beaten by its typical model

Well above average

78 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°F1HVAC: Beats 44%LG: Beats 59%
  • Heating power kept at 5°FCapacity at 5°F vs 47°F1HVAC: Beats 62%LG: Beats 64%
  • Winter-long heating efficiencyHSPF21HVAC: Beats 61%LG: Beats 70%
  • Summer-long cooling efficiencySEER21HVAC: Beats 59%LG: Beats 63%
  • Hot-day cooling efficiencyEER21HVAC: Beats 43%LG: Beats 69%

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

    1HVAC
    63%
    LG
    74%
  • Xcel CC

    1HVAC
    55%
    LG
    68%
  • CEE Advanced

    1HVAC
    1%
    LG
    9%
  • ENERGY STAR CC

    1HVAC
    41%
    LG
    45%

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.

1HVAC

  1. 1ACIQ-36Z-HH-M4B1HVAC3 tons · 36,000 Btu/h · DuctlessKeeps 97% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    97% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Good
    Seasonal efficiency
    10.3 (HSPF2)
    Great
    79.3score / 100
  2. 2ACIQ-36ZPL-HP230Bwith ductless indoor unit ACIQ-36CC-HH-MB1HVAC3 tons · 36,000 Btu/h · DuctlessKeeps 103% of its heat at 5°FMeets Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.83 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.5 (HSPF2)
    Top 10%
    75.0score / 100
  3. 3SC-42Z-HH-M5B1HVAC3 tons · 36,000 Btu/h · DuctlessKeeps 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
    1.92 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    73.7score / 100

LG

  1. 1ARUN038GSS4LG3 tons · 38,000 Btu/h · DuctlessKeeps 96% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    96% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    3.19 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.6 (HSPF2)
    Top 10%
    92.2score / 100
  2. 2LUU360HHVwith ductless indoor unit LCN369HVLG3 tons · 36,000 Btu/h · DuctlessKeeps 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)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.6 (HSPF2)
    Top 10%
    88.7score / 100
  3. 3LMU361HHVLG3 tons · 36,000 Btu/h · DuctlessKeeps 92% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.01 (COP at 5°F)
    Great
    Seasonal efficiency
    11.0 (HSPF2)
    Top 10%
    88.5score / 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