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CAAIR vs COVAC: heat pump ratings compared

One of these brands has too few models with every rating for an overall score; see each rating below.

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

CAAIR

—

of similar heat pumps beaten by its typical model

Not enough rated models

3 models listed

COVAC

35%

of similar heat pumps beaten by its typical model

Well below average

3 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°FCAAIR: Beats 66%COVAC: Beats 47%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCAAIR: Not ratedCOVAC: Beats 13%
  • Winter-long heating efficiencyHSPF2CAAIR: Beats 17%COVAC: Beats 28%
  • Summer-long cooling efficiencySEER2CAAIR: Beats 20%COVAC: Beats 46%
  • Hot-day cooling efficiencyEER2CAAIR: Beats 18%COVAC: Beats 36%

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

    CAAIR
    0%
    COVAC
    67%
  • Xcel CC

    CAAIR
    0%
    COVAC
    33%
  • CEE Advanced

    CAAIR
    0%
    COVAC
    0%
  • ENERGY STAR CC

    CAAIR
    0%
    COVAC
    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.

CAAIR

None of CAAIR’s ductless, up to 1.5 tons models has all five ratings.

COVAC

  1. 1COV-S5-09R454-Owith ductless indoor unit COV-S5-09R454-ICOVAC1 ton · 9,000 Btu/h · DuctlessCold-climate pick, score 34.7Meets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.95 (COP at 5°F)
    Good
    Winter efficiency
    9.0 (HSPF2)
    Below the middle
    Cooling efficiency
    21.5 (SEER2)
    Good
    Hot-day cooling
    12.5 (EER2)
    Good
    44.9score / 100Heating 35 · Cooling 55
  2. 2COV-S5-18R454-Owith ductless indoor unit COV-S5-18R454-ICOVAC1.5 tons · 18,000 Btu/h · DuctlessNot a cold-climate pick: keeps 61% of its heat at 5°FMeets CEE 2025, CEE 2026
    Heat kept at 5°F
    61% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.99 (COP at 5°F)
    Good
    Winter efficiency
    9.1 (HSPF2)
    Below the middle
    Cooling efficiency
    20.2 (SEER2)
    Below the middle
    Hot-day cooling
    11.5 (EER2)
    Below the middle
    34.3score / 100Heating 33 · Cooling 35
  3. 3COV-S5-12R454-Owith ductless indoor unit COV-S5-12R454-ICOVAC1 ton · 12,000 Btu/h · DuctlessNot a cold-climate pick: keeps 58% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    58% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    1.85 (COP at 5°F)
    Below the middle
    Winter efficiency
    8.7 (HSPF2)
    Below the middle
    Cooling efficiency
    21.3 (SEER2)
    Below the middle
    Hot-day cooling
    10.0 (EER2)
    Below the middle
    26.4score / 100Heating 20 · Cooling 33

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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