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LG vs Nortek Global HVAC: heat pump ratings compared

Against heat pumps of the same size and type, a typical LG model beats 56% and a typical Nortek Global HVAC model 31%. 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

Nortek Global HVAC

31%

of similar heat pumps beaten by its typical model

Well below average

109 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%Nortek Global HVAC: Beats 23%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FLG: Beats 57%Nortek Global HVAC: Beats 28%
  • Winter-long heating efficiencyHSPF2LG: Beats 51%Nortek Global HVAC: Beats 28%
  • Summer-long cooling efficiencySEER2LG: Beats 49%Nortek Global HVAC: Beats 32%
  • Hot-day cooling efficiencyEER2LG: Beats 64%Nortek Global HVAC: Beats 42%

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%
    Nortek Global HVAC
    28%

  • Xcel CC

    LG
    78%
    Nortek Global HVAC
    20%

  • CEE Advanced

    LG
    11%
    Nortek Global HVAC
    2%

  • ENERGY STAR CC

    LG
    64%
    Nortek Global HVAC
    11%

Top cold-climate picks, ductless up to 1.5 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 Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

LG

  1. 1KUSAL091Awith ductless indoor unit KNSAL091ALG1 ton · 9,000 Btu/h · DuctlessKeeps 109% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    109% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.04 (COP at 5°F)
    Good
    Seasonal efficiency
    13.5 (HSPF2)
    Top 10%
    86.8score / 100
  2. 2KUSAL121Awith ductless indoor unit KNSAL121ALG1 ton · 12,000 Btu/h · DuctlessKeeps 113% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.05 (COP at 5°F)
    Good
    Seasonal efficiency
    11.2 (HSPF2)
    Great
    85.6score / 100
  3. 3KUSXB091Awith ductless indoor unit KNUQB091ALG1 ton · 9,000 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)
    Great
    Efficiency at 5°F
    2.16 (COP at 5°F)
    Great
    Seasonal efficiency
    10.6 (HSPF2)
    Great
    84.2score / 100

Nortek Global HVAC

  1. 1WHS18SZB21Swith ductless indoor unit WHS18WMB21SNortek Global HVAC (sold as Westinghouse)1.5 tons · 18,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.53 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    9.8 (HSPF2)
    Good
    66.8score / 100
  2. 2DXH09PSK3IHwith ductless indoor unit DHH09PUK3IHNortek Global HVAC (sold as Gibson)1 ton · 9,100 Btu/h · DuctlessKeeps 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)
    Good
    Efficiency at 5°F
    1.88 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.4 (HSPF2)
    Great
    62.2score / 100
  3. 3DXH18FMK3IHNortek Global HVAC (sold as Gibson)1.5 tons · 18,000 Btu/h · DuctlessKeeps 77% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    77% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    61.4score / 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.

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