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Stealth Comfort vs ZOKOP: heat pump ratings compared

Against heat pumps of the same size and type, a typical Stealth Comfort model beats 76% and a typical ZOKOP model 34%. Stealth Comfort rates higher overall.

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

Stealth Comfort

76%

of similar heat pumps beaten by its typical model

Well above average

4 models listed

ZOKOP

34%

of similar heat pumps beaten by its typical model

Well below average

37 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°FStealth Comfort: Beats 58%ZOKOP: Beats 34%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FStealth Comfort: Beats 93%ZOKOP: Beats 33%
  • Winter-long heating efficiencyHSPF2Stealth Comfort: Beats 87%ZOKOP: Beats 46%
  • Summer-long cooling efficiencySEER2Stealth Comfort: Beats 74%ZOKOP: Beats 36%
  • Hot-day cooling efficiencyEER2Stealth Comfort: Beats 72%ZOKOP: Beats 26%

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

    Stealth Comfort
    100%
    ZOKOP
    68%

  • Xcel CC

    Stealth Comfort
    100%
    ZOKOP
    57%

  • CEE Advanced

    Stealth Comfort
    25%
    ZOKOP
    0%

  • ENERGY STAR CC

    Stealth Comfort
    100%
    ZOKOP
    0%

All-around best, ducted up to 1.5 tons

Balances heating (5°F output and efficiency, HSPF2) and cooling (SEER2, EER2), each rating against units their size.

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

Stealth Comfort

No ducted, up to 1.5 tons model from Stealth Comfort.

ZOKOP

No ducted, up to 1.5 tons model from ZOKOP.

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