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ComfiAire vs Stealth Comfort: heat pump ratings compared

Against heat pumps of the same size and type, a typical ComfiAire model beats 59% and a typical Stealth Comfort model 50%. ComfiAire rates higher overall.

Covers older R-410A heat pumps, no longer installed new. See models sold today · Updated

ComfiAire

59%

of similar heat pumps beaten by its typical model

Above average

18 models listed

Stealth Comfort

50%

of similar heat pumps beaten by its typical model

About average

17 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°FComfiAire: Beats 39%Stealth Comfort: Beats 29%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FComfiAire: Beats 74%Stealth Comfort: Beats 77%
  • Winter-long heating efficiencyHSPF2ComfiAire: Beats 45%Stealth Comfort: Beats 49%
  • Summer-long cooling efficiencySEER2ComfiAire: Beats 49%Stealth Comfort: Beats 54%
  • Hot-day cooling efficiencyEER2ComfiAire: Beats 43%Stealth Comfort: Beats 43%

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

    ComfiAire
    61%
    Stealth Comfort
    82%

  • Xcel CC

    ComfiAire
    61%
    Stealth Comfort
    100%

  • CEE Advanced

    ComfiAire
    0%
    Stealth Comfort
    0%

  • ENERGY STAR CC

    ComfiAire
    61%
    Stealth Comfort
    29%

Top cold-climate picks, ducted 2.5–3 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 Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling), the most-listed ducted size. Pick yours above. What size is my system?

ComfiAire

  1. 1CA-36UHDOwith ducted air handler CA-36UHDIComfiAire3 tons · 34,000 Btu/h · DuctedKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.05 (COP at 5°F)
    Great
    Seasonal efficiency
    9.5 (HSPF2)
    Great
    75.1score / 100

Stealth Comfort

  1. 1SC-2436-HPwith ducted air handler SC-36-AHStealth Comfort3 tons · 34,000 Btu/h · DuctedKeeps 80% of its heat at 5°FMeets 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
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Good
    55.3score / 100
  2. 2ACIQ-PHH1836000K000VStealth Comfort3 tons · 34,400 Btu/h · DuctedKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.75 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.8 (HSPF2)
    Good
    47.8score / 100
  3. 3SC-36Z-HH-M4Stealth Comfort3 tons · 36,000 Btu/h · DuctedKeeps 73% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    73% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.76 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    7.6 (HSPF2)
    Below the middle
    37.8score / 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.

Open the advanced view