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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 58% and a typical STEALTH model 54%. DIAL rates slightly higher overall.

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

DIAL

58%

of similar heat pumps beaten by its typical model

Above average

7 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°FDIAL: Beats 48%STEALTH: Beats 53%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDIAL: Beats 38%STEALTH: Beats 59%
  • Winter-long heating efficiencyHSPF2DIAL: Beats 61%STEALTH: Beats 59%
  • Summer-long cooling efficiencySEER2DIAL: Beats 75%STEALTH: Beats 62%
  • Hot-day cooling efficiencyEER2DIAL: Beats 57%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

    DIAL
    100%
    STEALTH
    73%

  • Xcel CC

    DIAL
    100%
    STEALTH
    64%

  • CEE Advanced

    DIAL
    0%
    STEALTH
    0%

  • ENERGY STAR CC

    DIAL
    0%
    STEALTH
    0%

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?

DIAL

No ducted, 2.5–3 tons model from DIAL.

STEALTH

None of STEALTH’s ducted, 2.5–3 tons models qualifies.

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