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Deye vs OLMO: heat pump ratings compared

Against heat pumps of the same size and type, a typical Deye model beats 66% and a typical OLMO model 43%. Deye rates higher overall.

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

Deye

66%

of similar heat pumps beaten by its typical model

Well above average

11 models listed

OLMO

43%

of similar heat pumps beaten by its typical model

Below average

11 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°FDeye: Beats 76%OLMO: Beats 45%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDeye: Beats 75%OLMO: Beats 40%
  • Winter-long heating efficiencyHSPF2Deye: Beats 72%OLMO: Beats 33%
  • Summer-long cooling efficiencySEER2Deye: Beats 58%OLMO: Beats 45%
  • Hot-day cooling efficiencyEER2Deye: Beats 65%OLMO: Beats 50%

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

    Deye
    73%
    OLMO
    91%

  • Xcel CC

    Deye
    73%
    OLMO
    55%

  • CEE Advanced

    Deye
    0%
    OLMO
    0%

  • ENERGY STAR CC

    Deye
    73%
    OLMO
    36%

All-around best, ducted up to 1.5 tons

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

Showing Ducted, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Deye

No ducted, up to 1.5 tons model from Deye.

OLMO

No ducted, up to 1.5 tons model from OLMO.

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.

Open the advanced view