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DAIZUKI vs Durastar: heat pump ratings compared

Against heat pumps of the same size and type, a typical DAIZUKI model beats 47% and a typical Durastar model 53%. Durastar rates higher overall.

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

DAIZUKI

47%

of similar heat pumps beaten by its typical model

About average

12 models listed

Durastar

53%

of similar heat pumps beaten by its typical model

About average

67 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°FDAIZUKI: Beats 39%Durastar: Beats 64%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDAIZUKI: Beats 41%Durastar: Beats 51%
  • Winter-long heating efficiencyHSPF2DAIZUKI: Beats 47%Durastar: Beats 54%
  • Summer-long cooling efficiencySEER2DAIZUKI: Beats 61%Durastar: Beats 47%
  • Hot-day cooling efficiencyEER2DAIZUKI: Beats 44%Durastar: Beats 47%

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

    DAIZUKI
    92%
    Durastar
    54%
  • Xcel CC

    DAIZUKI
    75%
    Durastar
    48%
  • CEE Advanced

    DAIZUKI
    0%
    Durastar
    5%
  • ENERGY STAR CC

    DAIZUKI
    0%
    Durastar
    49%

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.

DAIZUKI

  1. 1DXTH24C526A-25with ductless indoor unit DXTH24E526A-25DAIZUKI2 tons · 24,000 Btu/h · DuctlessKeeps 93% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC
    Heat kept at 5°F
    93% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    1.80 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.0 (HSPF2)
    Good
    58.0score / 100

Durastar

  1. 1DRA1H24S2Awith ductless indoor unit DRAC24F2ADurastar2 tons · 23,400 Btu/h · DuctlessKeeps 95% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    95% (Capacity at 5°F vs 47°F)
    Great
    Efficiency at 5°F
    2.23 (COP at 5°F)
    Great
    Seasonal efficiency
    11.6 (HSPF2)
    Top 10%
    89.4score / 100
  2. 2DRA1U24S2Awith ductless indoor unit DRAF24F2ADurastar2 tons · 24,000 Btu/h · DuctlessKeeps 76% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    76% (Capacity at 5°F vs 47°F)
    Good
    Efficiency at 5°F
    2.27 (COP at 5°F)
    Great
    Seasonal efficiency
    11.1 (HSPF2)
    Top 10%
    77.9score / 100
  3. 3DRA4U28M2ADurastar2 tons · 26,000 Btu/h · DuctlessKeeps 70% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    70% (Capacity at 5°F vs 47°F)
    Below the middle
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    9.5 (HSPF2)
    Below the middle
    41.1score / 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.

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