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AOKOL vs Ovair: heat pump ratings compared

Against heat pumps of the same size and type, a typical AOKOL model beats 58% and a typical Ovair model 56%. AOKOL rates slightly higher overall.

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

AOKOL

58%

of similar heat pumps beaten by its typical model

Above average

4 models listed

Ovair

56%

of similar heat pumps beaten by its typical model

Above average

4 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°FAOKOL: Beats 52%Ovair: Beats 39%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FAOKOL: Beats 41%Ovair: Beats 37%
  • Winter-long heating efficiencyHSPF2AOKOL: Beats 65%Ovair: Beats 55%
  • Summer-long cooling efficiencySEER2AOKOL: Beats 77%Ovair: Beats 73%
  • Hot-day cooling efficiencyEER2AOKOL: Beats 49%Ovair: Beats 64%

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

    AOKOL
    100%
    Ovair
    100%

  • Xcel CC

    AOKOL
    100%
    Ovair
    100%

  • CEE Advanced

    AOKOL
    0%
    Ovair
    0%

  • ENERGY STAR CC

    AOKOL
    100%
    Ovair
    0%

All-around best, ductless up to 1.5 tons

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

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

AOKOL

  1. 1AOODU-1D2SAOKOL1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 68.6Meets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    80% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Winter efficiency
    10.5 (HSPF2)
    Great
    Cooling efficiency
    24.0 (SEER2)
    Great
    Hot-day cooling
    13.0 (EER2)
    Good
    72.2score / 100Heating 69 · Cooling 76

Ovair

  1. 1SL12000Owith ductless indoor unit SL12000IOvair1 ton · 12,000 Btu/h · DuctlessCold-climate pick, score 58.9Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.10 (COP at 5°F)
    Great
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.0 (SEER2)
    Good
    Hot-day cooling
    13.0 (EER2)
    Good
    65.0score / 100Heating 59 · Cooling 71
  2. 2SL9000Owith ductless indoor unit SL9000IOvair1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 39.5Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Winter efficiency
    9.5 (HSPF2)
    Below the middle
    Cooling efficiency
    23.0 (SEER2)
    Good
    Hot-day cooling
    13.0 (EER2)
    Good
    55.3score / 100Heating 40 · Cooling 71
  3. 3SL18000Owith ductless indoor unit SL18000IOvair1.5 tons · 18,000 Btu/h · DuctlessCold-climate pick, score 39.1Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Winter efficiency
    10.0 (HSPF2)
    Good
    Cooling efficiency
    23.0 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    51.5score / 100Heating 39 · Cooling 64

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