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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 3.5–4.5 tons

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

Showing Ductless, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

GE Appliances

  1. 1MWHQ048NC2AA*GE Appliances4 tons · 48,000 Btu/h · DuctlessCold-climate pick, score 67.0Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    98% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.6 (HSPF2)
    Good
    Cooling efficiency
    21.6 (SEER2)
    Good
    Hot-day cooling
    13.0 (EER2)
    Top 10%
    73.8score / 100Heating 67 · Cooling 81
  2. 25G42ED2BE**GE Appliances3.5 tons · 42,000 Btu/h · DuctlessCold-climate pick, score 23.1Meets 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
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    20.5 (SEER2)
    Below the middle
    Hot-day cooling
    10.5 (EER2)
    Below the middle
    26.6score / 100Heating 23 · Cooling 30

ZERO

  1. 1Z4SOV-53HDMB-USHHZERO4.5 tons · 51,000 Btu/h · DuctlessCold-climate pick, score 69.9Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    87% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.6 (HSPF2)
    Good
    Cooling efficiency
    21.4 (SEER2)
    Good
    Hot-day cooling
    12.0 (EER2)
    Good
    62.6score / 100Heating 58 · Cooling 67
  2. 2Z4SOV-48HDMB-USHHZERO4 tons · 45,000 Btu/h · DuctlessCold-climate pick, score 68.7Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    98% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.2 (HSPF2)
    Good
    Cooling efficiency
    21.2 (SEER2)
    Good
    Hot-day cooling
    12.0 (EER2)
    Good
    62.6score / 100Heating 63 · Cooling 63
  3. 3Z4SOV-48HDMB-USZEROAlso listed as Z6SOV-48HDMB-US4 tons · 45,000 Btu/h · DuctlessCold-climate pick, score 60.1Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.3 (HSPF2)
    Good
    Cooling efficiency
    20.9 (SEER2)
    Below the middle
    Hot-day cooling
    11.9 (EER2)
    Good
    52.8score / 100Heating 60 · Cooling 46

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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