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

ComfiAire

No ducted, up to 1.5 tons model from ComfiAire.

Stealth Comfort

  1. 1SC-18Z-HH-M2Stealth Comfort1.5 tons · 18,000 Btu/h · DuctedKeeps 95% of its heat at 5°FMeets none of the standards tracked here
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.75 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    7.8 (HSPF2)
    Below the middle
    35.2score / 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