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Gree vs Rheem: heat pump ratings compared

Against heat pumps of the same size and type, a typical Gree model beats 54% and a typical Rheem model 49%. Gree rates slightly higher overall.

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

Gree

54%

of similar heat pumps beaten by its typical model

About average

717 models listed

Rheem

49%

of similar heat pumps beaten by its typical model

About average

341 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°FGree: Beats 43%Rheem: Beats 59%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FGree: Beats 57%Rheem: Beats 48%
  • Winter-long heating efficiencyHSPF2Gree: Beats 42%Rheem: Beats 43%
  • Summer-long cooling efficiencySEER2Gree: Beats 60%Rheem: Beats 42%
  • Hot-day cooling efficiencyEER2Gree: Beats 60%Rheem: Beats 40%

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

    Gree
    81%
    Rheem
    36%
  • Xcel CC

    Gree
    80%
    Rheem
    34%
  • CEE Advanced

    Gree
    6%
    Rheem
    2%
  • ENERGY STAR CC

    Gree
    66%
    Rheem
    33%

Top cold-climate picks, ductless 2 tons

Only units that keep at least 70% of their heat at 5°F, ranked on heat kept, efficiency at 5°F and seasonal efficiency (HSPF2), against units their size.

Gree

  1. 1MHPC-H-024BSBwith ductless indoor unit MWAL-H-024BBBGree (sold as Ac Pro)2 tons · 24,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.54 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    11.7 (HSPF2)
    Top 10%
    84.5score / 100
  2. 2GWHD(24)ND6MOGreeAlso sold as Tosot TM24H32MO, Kinghome KM24X6O, Tosot MZ-COSMO24/O, Tosot TM24D6MO and 6 more; also listed as MUL24HP230V1R32AO, GS3M24HP230V1MO2 tons · 24,000 Btu/h · DuctlessKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    67.5score / 100
  3. 3GWH24AVEXH-D6DNA1A/Owith ductless indoor unit GWH24AVEXH-D6DN***/IGreeAlso sold as Tosot TW24HAY32A1DO, Kinghome KW24XQ29SDO, Tosot TW24HAY32A1DOC, Tosot TWH24AV29D6DO and 4 more; also listed as SAP24HP230V1R32AO, GWH24AVEXH-D6DNA1B/O, AIRY24HP230V1AO, GS24HP230V1RYO2 tons · 22,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets 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
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    60.1score / 100

Rheem

  1. 1ML24HP230NEXH-Owith ductless indoor unit ML24HP230STDCAS-IRheem (sold as Mainline)2 tons · 23,400 Btu/h · DuctlessKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.23 (COP at 5°F)
    Great
    Seasonal efficiency
    11.6 (HSPF2)
    Top 10%
    89.4score / 100
  2. 2ML24HP230CALH-Owith ductless indoor unit ML24HP230CALH-IRheem (sold as Mainline)2 tons · 24,000 Btu/h · DuctlessKeeps 83% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    83% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.34 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    13.5 (HSPF2)
    Top 10%
    88.4score / 100
  3. 3ML24HP230NEX-Owith ductless indoor unit ML24HP230FLO-IRheem (sold as Mainline)2 tons · 24,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.27 (COP at 5°F)
    Great
    Seasonal efficiency
    11.1 (HSPF2)
    Top 10%
    77.9score / 100

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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