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Comfort Temps vs Ozone Spirit: heat pump ratings compared

Against heat pumps of the same size and type, a typical Comfort Temps model beats 49% and a typical Ozone Spirit model 47%. Comfort Temps rates slightly higher overall.

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

Comfort Temps

49%

of similar heat pumps beaten by its typical model

About average

20 models listed

Ozone Spirit

47%

of similar heat pumps beaten by its typical model

About average

19 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°FComfort Temps: Beats 37%Ozone Spirit: Beats 72%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FComfort Temps: Beats 38%Ozone Spirit: Beats 15%
  • Winter-long heating efficiencyHSPF2Comfort Temps: Beats 53%Ozone Spirit: Beats 14%
  • Summer-long cooling efficiencySEER2Comfort Temps: Beats 59%Ozone Spirit: Beats 23%
  • Hot-day cooling efficiencyEER2Comfort Temps: Beats 52%Ozone Spirit: Beats 17%

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

    Comfort Temps
    100%
    Ozone Spirit
    16%

  • Xcel CC

    Comfort Temps
    90%
    Ozone Spirit
    0%

  • CEE Advanced

    Comfort Temps
    0%
    Ozone Spirit
    0%

  • ENERGY STAR CC

    Comfort Temps
    60%
    Ozone Spirit
    0%

Top cold-climate picks, ductless up to 1.5 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 Ductless, Up to 1.5 tons (under 21,000 Btu/h cooling). What size is my system?

Comfort Temps

  1. 1CTP-BH122A-Owith ductless indoor unit CTP-BH122A-IComfort TempsAlso listed as CTP-BH122A-O1 ton · 12,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR 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
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    59.5score / 100
  2. 2CTP-BH121A-Owith ductless indoor unit CTP-BH121A-IComfort TempsAlso listed as CTP-BH121A-O1 ton · 12,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR 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
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    58.9score / 100
  3. 3CEL-BH092A-Owith ductless indoor unit CEL-BH092A-IComfort Temps1 ton · 9,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    50.4score / 100

Ozone Spirit

None of Ozone Spirit’s ductless, up to 1.5 tons models qualifies.

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