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DIAL vs STEALTH: heat pump ratings compared

Against heat pumps of the same size and type, a typical DIAL model beats 55% and a typical STEALTH model 57%. STEALTH rates slightly higher overall.

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

DIAL

55%

of similar heat pumps beaten by its typical model

Above average

40 models listed

STEALTH

57%

of similar heat pumps beaten by its typical model

Above average

42 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°FDIAL: Beats 44%STEALTH: Beats 45%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDIAL: Beats 58%STEALTH: Beats 61%
  • Winter-long heating efficiencyHSPF2DIAL: Beats 51%STEALTH: Beats 69%
  • Summer-long cooling efficiencySEER2DIAL: Beats 55%STEALTH: Beats 61%
  • Hot-day cooling efficiencyEER2DIAL: Beats 54%STEALTH: Beats 45%

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

    DIAL
    83%
    STEALTH
    62%

  • Xcel CC

    DIAL
    70%
    STEALTH
    48%

  • CEE Advanced

    DIAL
    0%
    STEALTH
    2%

  • ENERGY STAR CC

    DIAL
    60%
    STEALTH
    50%

Top cold-climate picks, ducted 5 tons and up

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, 5 tons and up (57,000 Btu/h and up cooling). What size is my system?

DIAL

No ducted, 5 tons and up model from DIAL.

STEALTH

No ducted, 5 tons and up model from STEALTH.

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