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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 17% 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

BHI

17%

of similar heat pumps beaten by its typical model

Well below average

7 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°FBHI: Beats 23%DIAL: Beats 48%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBHI: Beats 15%DIAL: Beats 38%
  • Winter-long heating efficiencyHSPF2BHI: Beats 36%DIAL: Beats 61%
  • Summer-long cooling efficiencySEER2BHI: Beats 9%DIAL: Beats 75%
  • Hot-day cooling efficiencyEER2BHI: Beats 10%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

    BHI
    14%
    DIAL
    100%

  • Xcel CC

    BHI
    14%
    DIAL
    100%

  • CEE Advanced

    BHI
    0%
    DIAL
    0%

  • ENERGY STAR CC

    BHI
    0%
    DIAL
    0%

Top cold-climate picks, ductless 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 Ductless, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

BHI

None of BHI’s ductless, 2.5–3 tons models qualifies.

DIAL

  1. 1A2LMZ27WW3PBDJDIAL2.5 tons · 27,000 Btu/h · DuctlessKeeps 71% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    71% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.5 (HSPF2)
    Great
    57.5score / 100
  2. 2A2LMZ35WW4PBBEDIAL3 tons · 35,000 Btu/h · DuctlessKeeps 72% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    72% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    52.5score / 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