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DIAL heat pumps: how do their ratings compare?

A typical DIAL heat pump beats 55% of similar heat pumps (same size and type), which is above average. DIAL has 40 heat pump models in this list.

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

Overall score

55%

of similar heat pumps beaten by its typical model

Above average

DIAL has no QMID (the manufacturer ID the 25C tax credit needs) on file, so it is not ranked against other brands. Based on 44 models with every rating.

DIAL, rating by ratingStrongest on heating power kept at 5°f (beats 58%), weakest on efficiency on a 5°f day (beats 44%).
  • Efficiency on a 5°F dayCOP at 5°FBeats 44%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FBeats 58%
  • Winter-long heating efficiencyHSPF2Beats 51%
  • Summer-long cooling efficiencySEER2Beats 55%
  • Hot-day cooling efficiencyEER2Beats 54%

Average (50%)

Each bar: the share of similar heat pumps a typical model beats on that rating.

Want DIAL’s ranks and its models inside every size class? Switch to Advanced

Rebate standards

Share of this brand’s models that meet the efficiency levels rebate programs use. Programs can have other rules too.

  • 83%

    meet CEE 2025 Tier 1, the level many utility rebates use.

    33 models. All brands: 48%.

    See them

  • 70%

    meet Xcel Energy Colorado’s cold-climate rebate levels.

    28 models. All brands: 38%.

    See them

  • 0%

    reach the cold-climate tier: full heating output and a COP of 2.1 or more at 5°F.

    None of its models yet. All brands: 1%.

Top DIAL cold-climate picks, by size

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?

4 of DIAL’s 4 models of this size and type qualify.

  1. 136000-UNI-Owith ductless indoor unit 36000U-CAS-IDIALAlso listed as SZUN36WW2303 tons · 36,000 Btu/h · DuctlessKeeps 74% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    74% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.28 (COP at 5°F)
    Top 10%
    Seasonal efficiency
    9.8 (HSPF2)
    Good
    77.2score / 100
  2. 236000Z-04-ODIALAlso listed as MZME36WW4P230BAJ2.5 tons · 32,000 Btu/h · DuctlessKeeps 113% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    113% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.84 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    9.0 (HSPF2)
    Below the middle
    64.0score / 100

These are certified test ratings, not a recommendation for your home. The right size comes from a load calculation by a contractor.

What to do next

The advanced view has DIAL’s ranks on each rating, its models inside every size and type, cold-weather curves and its newest certifications.

Open the advanced view