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CanAir vs STEALTH: heat pump ratings compared

Against heat pumps of the same size and type, a typical CanAir model beats 64% and a typical STEALTH model 54%. CanAir rates higher overall.

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

CanAir

64%

of similar heat pumps beaten by its typical model

Well above average

44 models listed

STEALTH

54%

of similar heat pumps beaten by its typical model

About 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°FCanAir: Beats 65%STEALTH: Beats 53%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCanAir: Beats 61%STEALTH: Beats 59%
  • Winter-long heating efficiencyHSPF2CanAir: Beats 74%STEALTH: Beats 59%
  • Summer-long cooling efficiencySEER2CanAir: Beats 66%STEALTH: Beats 62%
  • Hot-day cooling efficiencyEER2CanAir: Beats 60%STEALTH: Beats 39%

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

    CanAir
    93%
    STEALTH
    73%
  • Xcel CC

    CanAir
    91%
    STEALTH
    64%
  • CEE Advanced

    CanAir
    2%
    STEALTH
    0%
  • ENERGY STAR CC

    CanAir
    91%
    STEALTH
    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.

CanAir

  1. 14C28SCH06H21with ductless indoor unit 4C28SEH06H21CanAir0.5 tons · 6,000 Btu/h · DuctlessKeeps 110% of its heat at 5°FMeets CEE 2025, CEE 2026, CEE Advanced, Xcel CC, DOE CCHP, ENERGY STAR CC
    Heat kept at 5°F
    110% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.40 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    14.8 (HSPF2)
    Top 10%
    96.7score / 100
  2. 24C35SCH09H21with ductless indoor unit 4C35SEH09H21CanAir1 ton · 9,000 Btu/h · DuctlessKeeps 113% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    14.6 (HSPF2)
    Top 10%
    85.9score / 100
  3. 34C25SCH09H21with ductless indoor unit 4C25SEH09H21CanAir1 ton · 9,000 Btu/h · DuctlessKeeps 82% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    82% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.33 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    13.0 (HSPF2)
    Top 10%
    85.9score / 100

STEALTH

  1. 1AC-18Z-E-M2STEALTH1.5 tons · 17,700 Btu/h · DuctlessKeeps 81% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    81% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    64.5score / 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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