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GE Appliances vs ZERO: heat pump ratings compared

Against heat pumps of the same size and type, a typical GE Appliances model beats 43% and a typical ZERO model 53%. ZERO rates higher overall.

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

GE Appliances

43%

of similar heat pumps beaten by its typical model

Below average

88 models listed

ZERO

53%

of similar heat pumps beaten by its typical model

About average

119 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°FGE Appliances: Beats 40%ZERO: Beats 45%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FGE Appliances: Beats 42%ZERO: Beats 52%
  • Winter-long heating efficiencyHSPF2GE Appliances: Beats 48%ZERO: Beats 57%
  • Summer-long cooling efficiencySEER2GE Appliances: Beats 39%ZERO: Beats 58%
  • Hot-day cooling efficiencyEER2GE Appliances: Beats 46%ZERO: Beats 48%

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

    GE Appliances
    47%
    ZERO
    71%

  • Xcel CC

    GE Appliances
    41%
    ZERO
    65%

  • CEE Advanced

    GE Appliances
    6%
    ZERO
    0%

  • ENERGY STAR CC

    GE Appliances
    39%
    ZERO
    53%

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?

GE Appliances

  1. 1NS21H48MA5-**Awith indoor coil D(A,C,E)48D4Z+TXV+TDR and furnace NF80U110S5CGE Appliances (sold as GE)3.5 tons · 44,500 Btu/h · DuctedCold-climate pick, score 87.5Meets 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
    2.57 (COP at 5°F)
    Top 10%
    Winter efficiency
    9.0 (HSPF2)
    Good
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    85.2score / 100Heating 88 · Cooling 83
  2. 2NS18H60HA5***with ducted air handler L(E,G)M48EJGE Appliances4 tons · 45,000 Btu/h · DuctedCold-climate pick, score 83.3Meets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.63 (COP at 5°F)
    Top 10%
    Winter efficiency
    9.5 (HSPF2)
    Great
    Cooling efficiency
    18.0 (SEER2)
    Great
    Hot-day cooling
    11.7 (EER2)
    Good
    78.6score / 100Heating 82 · Cooling 75
  3. 3NS21H60MA5-**Awith indoor coil NCU[C,U]60CT5*-**+TDR and furnace NF80X100V5CGE Appliances (sold as GE)4.5 tons · 55,000 Btu/h · DuctedCold-climate pick, score 78.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    66% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.16 (COP at 5°F)
    Great
    Winter efficiency
    8.5 (HSPF2)
    Good
    Cooling efficiency
    20.5 (SEER2)
    Top 10%
    Hot-day cooling
    12.0 (EER2)
    Great
    76.6score / 100Heating 60 · Cooling 94

ZERO

  1. 1Z4SOV-48HDMB-USZEROAlso listed as Z6SOV-48HDMB-US4 tons · 45,000 Btu/h · DuctedCold-climate pick, score 77.9Meets 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
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    10.6 (HSPF2)
    Top 10%
    Cooling efficiency
    20.4 (SEER2)
    Top 10%
    Hot-day cooling
    12.0 (EER2)
    Great
    85.1score / 100Heating 78 · Cooling 92
  2. 2Z4SOV-48HDMB-USHHZERO4 tons · 47,000 Btu/h · DuctedCold-climate pick, score 82.7Meets CEE 2025, CEE 2026, Xcel CC, 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
    11.0 (HSPF2)
    Top 10%
    Cooling efficiency
    20.4 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    83.9score / 100Heating 83 · Cooling 85
  3. 3Z4SOV-53HDMB-USHHZERO4.5 tons · 53,000 Btu/h · DuctedCold-climate pick, score 81.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Good
    Winter efficiency
    10.7 (HSPF2)
    Top 10%
    Cooling efficiency
    20.0 (SEER2)
    Top 10%
    Hot-day cooling
    11.7 (EER2)
    Good
    82.0score / 100Heating 81 · Cooling 83

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