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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 2.5–3 tons

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

GE Appliances

  1. 1MWHQ036NC2AA*GE Appliances3 tons · 35,600 Btu/h · DuctlessCold-climate pick, score 73.8Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    98% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.8 (HSPF2)
    Top 10%
    Cooling efficiency
    22.0 (SEER2)
    Good
    Hot-day cooling
    14.4 (EER2)
    Top 10%
    76.2score / 100Heating 74 · Cooling 79
  2. 21G3036ED2BE**with ductless indoor unit US30LB2BEGE Appliances2.5 tons · 30,000 Btu/h · DuctlessCold-climate pick, score 42.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    84% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    20.0 (SEER2)
    Below the middle
    Hot-day cooling
    12.0 (EER2)
    Good
    42.8score / 100Heating 43 · Cooling 43
  3. 34G36ED2BE**GE Appliances3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 44.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    94% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    20.5 (SEER2)
    Below the middle
    Hot-day cooling
    11.0 (EER2)
    Below the middle
    40.5score / 100Heating 45 · Cooling 36

ZERO

  1. 1Z4SOV-36HDMB-USHHZERO3 tons · 36,000 Btu/h · DuctlessCold-climate pick, score 72.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    103% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    11.3 (HSPF2)
    Top 10%
    Cooling efficiency
    21.5 (SEER2)
    Good
    Hot-day cooling
    12.2 (EER2)
    Good
    66.3score / 100Heating 70 · Cooling 62
  2. 2Z3SOV-27HDTB-USZERO2.5 tons · 27,000 Btu/h · DuctlessCold-climate pick, score 57.5Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    24.0 (SEER2)
    Top 10%
    Hot-day cooling
    12.0 (EER2)
    Good
    65.1score / 100Heating 58 · Cooling 73
  3. 3Z4SOV-36HDMB-USZEROAlso listed as Z5SOV-36HDMB-US3 tons · 35,000 Btu/h · DuctlessCold-climate pick, score 47.2Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.1 (SEER2)
    Great
    Hot-day cooling
    12.0 (EER2)
    Good
    58.3score / 100Heating 47 · Cooling 69

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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