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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, ductless up to 1.5 tons

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

GE Appliances

  1. 11G09ED2BE**with ductless indoor unit GS09WP2BEGE Appliances1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 64.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    11.0 (HSPF2)
    Great
    Cooling efficiency
    27.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.5 (EER2)
    Good
    70.4score / 100Heating 64 · Cooling 77
  2. 21G12ED2BE**with ductless indoor unit GS12WP2BEGE Appliances1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 64.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    11.0 (HSPF2)
    Great
    Cooling efficiency
    25.0 (SEER2)
    Great
    Hot-day cooling
    12.5 (EER2)
    Good
    68.7score / 100Heating 64 · Cooling 73
  3. 32G18AD2BE**GE Appliances1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 52.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    79% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    22.5 (SEER2)
    Good
    Hot-day cooling
    12.0 (EER2)
    Below the middle
    53.1score / 100Heating 53 · Cooling 54

ZERO

  1. 1ZMSB-09HV-USHHR2-Owith ductless indoor unit ZMSB-09HV-USHHR2-IZERO1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 85.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.33 (COP at 5°F)
    Top 10%
    Winter efficiency
    13.0 (HSPF2)
    Top 10%
    Cooling efficiency
    24.6 (SEER2)
    Great
    Hot-day cooling
    14.7 (EER2)
    Top 10%
    86.7score / 100Heating 86 · Cooling 87
  2. 2ZMSB-09HV-USHHCR2-Owith ductless indoor unit ZMSB-09HV-USHHCR2-IZERO1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 65.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    96% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    12.5 (HSPF2)
    Top 10%
    Cooling efficiency
    26.0 (SEER2)
    Top 10%
    Hot-day cooling
    15.0 (EER2)
    Top 10%
    79.5score / 100Heating 65 · Cooling 94
  3. 3ZMSB-18HV-USHHR2-Owith ductless indoor unit ZMSB-18HV-USHHR2-IZERO1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 73.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.35 (COP at 5°F)
    Top 10%
    Winter efficiency
    11.1 (HSPF2)
    Great
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    13.5 (EER2)
    Great
    76.6score / 100Heating 73 · Cooling 80

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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