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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, ducted 2.5–3 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.

Showing Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

Gree

  1. 1SPHP-Z-V036BBwith ducted air handler AIRH-Z-V036V12CGree (sold as Ac Pro)3 tons · 36,000 Btu/h · DuctedKeeps 91% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    91% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.06 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    77.4score / 100
  2. 2SPHP-Z-V030BBwith ducted air handler AIRH-Z-V030V10CGree (sold as Ac Pro)2.5 tons · 30,000 Btu/h · DuctedKeeps 101% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    101% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.97 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.8 (HSPF2)
    Top 10%
    77.0score / 100
  3. 3GUD36W2/NHE-D(U)with ducted air handler GUD36AH2/E-D(U)GreeAlso sold as Ac Pro SPHP-X-I036B, Tosot TUD36-24W2/NHE-D(U); also listed as WLUD36W2/NHE-D(U), GFU36HP230V1R32AO3 tons · 34,000 Btu/h · DuctedKeeps 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)
    Great
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    76.9score / 100

Rheem

  1. 1RD18AY36AJVCwith ducted air handler L(E,G)M36FJRheem2.5 tons · 30,800 Btu/h · DuctedKeeps 109% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    109% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.86 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    94.4score / 100
  2. 2ML36HP230LCMH-Owith ducted air handler ML36HP230HSDUC-IRheem (sold as Mainline)3 tons · 36,000 Btu/h · DuctedKeeps 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)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    11.1 (HSPF2)
    Top 10%
    83.2score / 100
  3. 3ML36HP230MULH-ORheem (sold as Mainline)Also listed as ML36HP230MULH-O3 tons · 36,000 Btu/h · DuctedKeeps 106% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    106% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.4 (HSPF2)
    Top 10%
    82.5score / 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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