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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, ducted 3.5–4.5 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, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

1HVAC

  1. 1ACIQ-48ZPL-HP230Bwith ducted air handler ACIQ-48CD-HH-MB1HVAC4 tons · 48,000 Btu/h · DuctedKeeps 88% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    88% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.02 (COP at 5°F)
    Good
    Seasonal efficiency
    10.3 (HSPF2)
    Top 10%
    86.4score / 100
  2. 2ACIQ-60ZPL-HP230Bwith ducted air handler ACIQ-60CD-HH-MB1HVAC4.5 tons · 55,000 Btu/h · DuctedKeeps 93% of its heat at 5°FMeets ENERGY STAR CC
    Heat kept at 5°F
    93% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.97 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Top 10%
    82.0score / 100
  3. 3EZ-60-HPwith ducted air handler EZ-60-AH1HVAC4.5 tons · 55,000 Btu/h · DuctedKeeps 92% of its heat at 5°FMeets ENERGY STAR CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.91 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.4 (HSPF2)
    Great
    77.1score / 100

LG

  1. 1LMU480HHVLG4 tons · 48,000 Btu/h · DuctedKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.02 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Top 10%
    86.4score / 100
  2. 2LUU420HHVwith ducted air handler LVN420HVLG3.5 tons · 42,000 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)
    Great
    Efficiency at 5°F
    2.27 (COP at 5°F)
    Great
    Seasonal efficiency
    9.5 (HSPF2)
    Top 10%
    84.8score / 100
  3. 3ARUN048GSS4LG4 tons · 48,000 Btu/h · DuctedKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.16 (COP at 5°F)
    Great
    Seasonal efficiency
    10.2 (HSPF2)
    Top 10%
    81.4score / 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