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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%

Top cold-climate picks, ducted 3.5–4.5 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, 3.5–4.5 tons (39,000–56,999 Btu/h cooling). What size is my system?

ADP

  1. 1KUSXA482Awith ducted air handler HG48*60+TXV+TDADP4 tons · 45,500 Btu/h · DuctedKeeps 90% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    90% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.1 (HSPF2)
    Great
    66.4score / 100
  2. 2KUSXA422Awith ducted air handler HG48*60+TXV+TDADP3.5 tons · 41,000 Btu/h · DuctedKeeps 98% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    98% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.9 (HSPF2)
    Good
    66.4score / 100
  3. 3KUSXB601Awith ducted air handler HG2K*60+TXV+TDADP4 tons · 45,000 Btu/h · DuctedKeeps 92% of its heat at 5°FMeets Xcel CC
    Heat kept at 5°F
    92% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.9 (HSPF2)
    Good
    58.2score / 100

DIAL

No ducted, 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