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CLASSIC vs Daizuki: heat pump ratings compared

Against heat pumps of the same size and type, a typical CLASSIC model beats 52% and a typical Daizuki model 52%. They are level.

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

CLASSIC

52%

of similar heat pumps beaten by its typical model

About average

32 models listed

Daizuki

52%

of similar heat pumps beaten by its typical model

About average

34 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°FCLASSIC: Beats 41%Daizuki: Beats 39%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FCLASSIC: Beats 42%Daizuki: Beats 43%
  • Winter-long heating efficiencyHSPF2CLASSIC: Beats 51%Daizuki: Beats 40%
  • Summer-long cooling efficiencySEER2CLASSIC: Beats 52%Daizuki: Beats 52%
  • Hot-day cooling efficiencyEER2CLASSIC: Beats 49%Daizuki: Beats 43%

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

    CLASSIC
    56%
    Daizuki
    59%

  • Xcel CC

    CLASSIC
    41%
    Daizuki
    41%

  • CEE Advanced

    CLASSIC
    0%
    Daizuki
    0%

  • ENERGY STAR CC

    CLASSIC
    13%
    Daizuki
    0%

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), the most-listed ducted size. Pick yours above. What size is my system?

CLASSIC

None of CLASSIC’s ducted, 2.5–3 tons models qualifies.

Daizuki

None of Daizuki’s ducted, 2.5–3 tons models qualifies.

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