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AUX vs Gree: heat pump ratings compared

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

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

AUX

49%

of similar heat pumps beaten by its typical model

About average

189 models listed

Gree

54%

of similar heat pumps beaten by its typical model

About average

724 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°FAUX: Beats 60%Gree: Beats 43%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAUX: Beats 51%Gree: Beats 57%
  • Winter-long heating efficiencyHSPF2AUX: Beats 40%Gree: Beats 43%
  • Summer-long cooling efficiencySEER2AUX: Beats 48%Gree: Beats 60%
  • Hot-day cooling efficiencyEER2AUX: Beats 39%Gree: Beats 58%

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

    AUX
    68%
    Gree
    81%

  • Xcel CC

    AUX
    66%
    Gree
    80%

  • CEE Advanced

    AUX
    1%
    Gree
    6%

  • ENERGY STAR CC

    AUX
    35%
    Gree
    66%

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). What size is my system?

AUX

  1. 1ASPR30HPMULOAUX2.5 tons · 30,000 Btu/h · DuctedKeeps 77% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    77% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    73.8score / 100
  2. 2ASPR36HPMULOAUX3 tons · 36,000 Btu/h · DuctedKeeps 70% of its heat at 5°FMeets 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
    2.10 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    70.4score / 100
  3. 3AHU36HPV1BOwith ducted air handler AHU36HPV1BIAUX3 tons · 36,000 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
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Great
    69.5score / 100

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
    77.9score / 100
  2. 2GUD36W2/NHE-D(U)with ducted air handler GUD36AH2/E-D(U)GreeAlso sold as Tosot TU36-32WEDU, Tosot TU36-R32WEDU, Tosot TU36W-EDU, Kinghome KU36UXO; also listed as FXU36HP230V1R32AO3 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
    77.4score / 100
  3. 3WLUD36W2/NHE-D(U)with ducted air handler WLUD36AH2/G-D(U)GreeAlso sold as Ac Pro SPHP-X-I036B, Tosot HP-UA36/O, Tosot TU36-24WEDU, Tosot TUD36-24W2/NHE-D(U); also listed as 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
    77.4score / 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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