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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, ducted 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 Ducted, 2.5–3 tons (27,000–38,999 Btu/h cooling). What size is my system?

DAIZUKI

No ducted, 2.5–3 tons model from DAIZUKI.

Durastar

  1. 1DRA5H36M2ADurastar3 tons · 36,000 Btu/h · DuctedKeeps 106% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    106% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.4 (HSPF2)
    Top 10%
    82.5score / 100
  2. 2DRU1H30S2Awith ducted air handler DRUF3022S2ADurastar2.5 tons · 30,000 Btu/h · DuctedKeeps 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
    2.00 (COP at 5°F)
    Good
    Seasonal efficiency
    10.2 (HSPF2)
    Great
    78.3score / 100
  3. 3DRU1H36S2Awith ducted air handler DRUM3036S2ADurastar3 tons · 36,000 Btu/h · DuctedKeeps 105% of its heat at 5°FMeets CEE 2025, CEE 2026, Xcel CC, ENERGY STAR CC
    Heat kept at 5°F
    105% (Capacity at 5°F vs 47°F)
    Top 10%
    Efficiency at 5°F
    1.90 (COP at 5°F)
    Below the middle
    Seasonal efficiency
    10.3 (HSPF2)
    Top 10%
    73.1score / 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.

Open the advanced view