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BHI vs DIAL: heat pump ratings compared

Against heat pumps of the same size and type, a typical BHI model beats 36% and a typical DIAL model 55%. DIAL rates higher overall.

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

BHI

36%

of similar heat pumps beaten by its typical model

Well below average

5 models listed

DIAL

55%

of similar heat pumps beaten by its typical model

Above average

40 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°FBHI: Beats 19%DIAL: Beats 44%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBHI: Beats 33%DIAL: Beats 58%
  • Winter-long heating efficiencyHSPF2BHI: Beats 17%DIAL: Beats 51%
  • Summer-long cooling efficiencySEER2BHI: Beats 27%DIAL: Beats 55%
  • Hot-day cooling efficiencyEER2BHI: Beats 18%DIAL: Beats 54%

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

    BHI
    20%
    DIAL
    83%

  • Xcel CC

    BHI
    20%
    DIAL
    70%

  • CEE Advanced

    BHI
    0%
    DIAL
    0%

  • ENERGY STAR CC

    BHI
    20%
    DIAL
    60%

Top cold-climate picks, ductless 2 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 Ductless, 2 tons (21,000–26,999 Btu/h cooling). What size is my system?

BHI

None of BHI’s ductless, 2 tons models qualifies.

DIAL

  1. 124000-UNI-Owith ductless indoor unit 24000Z-CAS-IDIALAlso listed as SZUN24WW2302 tons · 24,000 Btu/h · DuctlessKeeps 79% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    79% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.20 (COP at 5°F)
    Great
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    72.0score / 100
  2. 224000Z-03-ODIALAlso listed as MZME24WW3P230BBJ2 tons · 24,000 Btu/h · DuctlessKeeps 100% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    100% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.1 (HSPF2)
    Good
    64.4score / 100
  3. 323400-21S-230-Owith ductless indoor unit 23400-21S-230-IDIALAlso listed as 24000Z-21S-230-O, SZHW23WW230BJE2 tons · 23,000 Btu/h · DuctlessKeeps 78% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    78% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    1.75 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    8.6 (HSPF2)
    Below the middle
    32.2score / 100

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