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LG vs Puremind: heat pump ratings compared

Against heat pumps of the same size and type, a typical LG model beats 56% and a typical Puremind model 37%. LG rates higher overall.

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

LG

56%

of similar heat pumps beaten by its typical model

Above average

100 models listed

Puremind

37%

of similar heat pumps beaten by its typical model

Well below average

95 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 56%Puremind: Beats 24%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FLG: Beats 57%Puremind: Beats 40%
  • Winter-long heating efficiencyHSPF2LG: Beats 51%Puremind: Beats 51%
  • Summer-long cooling efficiencySEER2LG: Beats 49%Puremind: Beats 44%
  • Hot-day cooling efficiencyEER2LG: Beats 64%Puremind: Beats 28%

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
    86%
    Puremind
    47%

  • Xcel CC

    LG
    78%
    Puremind
    53%

  • CEE Advanced

    LG
    11%
    Puremind
    0%

  • ENERGY STAR CC

    LG
    64%
    Puremind
    0%

All-around best, ducted 3.5–4.5 tons

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

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

LG

  1. 1KUMXA421ALG3.5 tons · 42,000 Btu/h · DuctedCold-climate pick, score 89.3Meets 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
    2.27 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    13.1 (EER2)
    Top 10%
    91.2score / 100Heating 89 · Cooling 93
  2. 2KUMXA481ALG4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 90.4Meets 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
    2.33 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    18.5 (SEER2)
    Great
    Hot-day cooling
    12.6 (EER2)
    Top 10%
    90.1score / 100Heating 90 · Cooling 90
  3. 3KUSXA422Awith ducted air handler MSVT48***964GAALG3.5 tons · 41,000 Btu/h · DuctedCold-climate pick, score 79.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    110% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    9.8 (HSPF2)
    Great
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.5 (EER2)
    Top 10%
    85.5score / 100Heating 80 · Cooling 91

Puremind

  1. 1PTF48B1-EBH4Uwith ducted air handler PTF48B1-EBH4UPuremindAlso listed as PTF60B1-EBH4U, ATF48B1-EBH4U, ATF60B1-EBH4U, CTF48B1-EBH4U and 1 more4.5 tons · 53,000 Btu/h · DuctedCold-climate pick, score 42.8Meets none of the standards tracked here
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.2 (HSPF2)
    Good
    Cooling efficiency
    17.0 (SEER2)
    Good
    Hot-day cooling
    8.0 (EER2)
    Below the middle
    38.0score / 100Heating 43 · Cooling 33
  2. 2PTF48B1-BBH4Uwith ducted air handler PTF48B1-BBH4UPuremindAlso listed as ATF48B1-BBH4U, CTF48B1-BBH4U4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 44.1Meets none of the standards tracked here
    Heat kept at 5°F
    75% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Good
    Cooling efficiency
    15.2 (SEER2)
    Below the middle
    Hot-day cooling
    9.0 (EER2)
    Below the middle
    34.5score / 100Heating 44 · Cooling 25
  3. 3PTF60B1-BBH4Uwith ducted air handler PTF60B1-BBH4UPuremindAlso listed as ATF60B1-BBH4U, CTF60B1-BBH4U4.5 tons · 54,000 Btu/h · DuctedCold-climate pick, score 42.8Meets none of the standards tracked here
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Good
    Cooling efficiency
    14.3 (SEER2)
    Below the middle
    Hot-day cooling
    8.0 (EER2)
    Below the middle
    27.5score / 100Heating 43 · Cooling 12

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