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FRANKLIN vs Nortek Global HVAC: heat pump ratings compared

Against heat pumps of the same size and type, a typical FRANKLIN model beats 58% and a typical Nortek Global HVAC model 31%. FRANKLIN rates higher overall.

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

FRANKLIN

58%

of similar heat pumps beaten by its typical model

Above average

6 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°FFRANKLIN: Beats 52%Nortek Global HVAC: Beats 23%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FFRANKLIN: Beats 29%Nortek Global HVAC: Beats 28%
  • Winter-long heating efficiencyHSPF2FRANKLIN: Beats 55%Nortek Global HVAC: Beats 28%
  • Summer-long cooling efficiencySEER2FRANKLIN: Beats 51%Nortek Global HVAC: Beats 32%
  • Hot-day cooling efficiencyEER2FRANKLIN: Beats 91%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

    FRANKLIN
    50%
    Nortek Global HVAC
    28%

  • Xcel CC

    FRANKLIN
    0%
    Nortek Global HVAC
    20%

  • CEE Advanced

    FRANKLIN
    0%
    Nortek Global HVAC
    2%

  • ENERGY STAR CC

    FRANKLIN
    0%
    Nortek Global HVAC
    11%

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?

FRANKLIN

  1. 1GLZT7CA4810A*with ducted air handler AMVT60DP1300AFRANKLIN4 tons · 47,000 Btu/h · DuctedNot a cold-climate pick: keeps 51% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    52% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    8.2 (HSPF2)
    Good
    Cooling efficiency
    17.2 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Top 10%
    63.9score / 100Heating 45 · Cooling 83
  2. 2GLZS4BA6010A*with ducted air handler AMST60DU1300AFRANKLIN4.5 tons · 56,500 Btu/h · DuctedNot a cold-climate pick: keeps 48% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    48% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    8.2 (HSPF2)
    Good
    Cooling efficiency
    14.5 (SEER2)
    Below the middle
    Hot-day cooling
    12.5 (EER2)
    Top 10%
    53.3score / 100Heating 43 · Cooling 64
  3. 3GLZS5BA4810A*with ducted air handler AMST60DU1300AFRANKLIN4 tons · 45,500 Btu/h · DuctedNot a cold-climate pick: keeps 43% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    46% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    7.8 (HSPF2)
    Below the middle
    Cooling efficiency
    15.2 (SEER2)
    Below the middle
    Hot-day cooling
    12.5 (EER2)
    Top 10%
    52.7score / 100Heating 37 · Cooling 68

Nortek Global HVAC

  1. 1UXH48-60MSK3IHwith ducted air handler UMD48MSK3IHNortek Global HVAC (sold as Gibson)4 tons · 48,000 Btu/h · DuctedCold-climate pick, score 85.1Meets 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
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Great
    Cooling efficiency
    19.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    83.1score / 100Heating 79 · Cooling 87
  2. 2DXH42FMK3IHNortek Global HVAC (sold as Gibson)3.5 tons · 42,000 Btu/h · DuctedCold-climate pick, score 55.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    86% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.1 (HSPF2)
    Good
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Great
    69.1score / 100Heating 56 · Cooling 83
  3. 3SH4BF5M2SX48Kwith indoor coil C75B(A,H)MX4860C-D and furnace G7T(*)-V(*)D(*)Nortek Global HVAC (sold as Nordyne)Also sold as Frigidaire FSH4BF5M2SX48K, Maytag PSH4BF5M2SX48K4 tons · 45,500 Btu/h · DuctedNot a cold-climate pick: keeps 50% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    56% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.75 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.0 (HSPF2)
    Below the middle
    Cooling efficiency
    16.0 (SEER2)
    Good
    Hot-day cooling
    11.7 (EER2)
    Good
    46.9score / 100Heating 30 · Cooling 64

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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