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DAIZUKI vs Manuflow: heat pump ratings compared

Against heat pumps of the same size and type, a typical DAIZUKI model beats 47% and a typical Manuflow model 47%. They are level.

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

Manuflow

47%

of similar heat pumps beaten by its typical model

About average

23 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%Manuflow: Beats 37%
  • Heating power kept at 5°FCapacity at 5°F vs 47°FDAIZUKI: Beats 41%Manuflow: Beats 42%
  • Winter-long heating efficiencyHSPF2DAIZUKI: Beats 47%Manuflow: Beats 56%
  • Summer-long cooling efficiencySEER2DAIZUKI: Beats 61%Manuflow: Beats 58%
  • Hot-day cooling efficiencyEER2DAIZUKI: Beats 44%Manuflow: Beats 38%

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%
    Manuflow
    83%

  • Xcel CC

    DAIZUKI
    75%
    Manuflow
    78%

  • CEE Advanced

    DAIZUKI
    0%
    Manuflow
    0%

  • ENERGY STAR CC

    DAIZUKI
    0%
    Manuflow
    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?

DAIZUKI

No ducted, 2.5–3 tons model from DAIZUKI.

Manuflow

No ducted, 2.5–3 tons model from Manuflow.

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