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ADP vs DIAL: heat pump ratings compared

Against heat pumps of the same size and type, a typical ADP model beats 49% and a typical DIAL model 58%. DIAL rates higher overall.

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

ADP

49%

of similar heat pumps beaten by its typical model

About average

15 models listed

DIAL

58%

of similar heat pumps beaten by its typical model

Above average

7 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°FADP: Beats 35%DIAL: Beats 48%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FADP: Beats 86%DIAL: Beats 38%
  • Winter-long heating efficiencyHSPF2ADP: Beats 51%DIAL: Beats 61%
  • Summer-long cooling efficiencySEER2ADP: Beats 37%DIAL: Beats 75%
  • Hot-day cooling efficiencyEER2ADP: Beats 43%DIAL: Beats 57%

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

    ADP
    27%
    DIAL
    100%
  • Xcel CC

    ADP
    87%
    DIAL
    100%
  • CEE Advanced

    ADP
    7%
    DIAL
    0%
  • ENERGY STAR CC

    ADP
    0%
    DIAL
    0%

All-around best, ductless 3.5–4.5 tons

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

ADP

No ductless, 3.5–4.5 tons model from ADP.

DIAL

No ductless, 3.5–4.5 tons model from DIAL.

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