The KDK is the brand name for Kawakita Denki Kigyousha found in 1909 and registered as the trademark in 1918.
The KDK brand name is used for Ventilating Fan, Range Hood, Air Curtain, Hand Dryer, Ceiling Fan, Electric Fan, Dehumidifier, Air Moving Equipment in global market.

■KDK Profile
- -Message from the representative of KDK Group
KDK has been going through the history with Electric Fan. In 1913 KDK started to produce Electric Fan. It was the first alternate E-fan in Japan. In 1918 KDK E-Fans were exported to Asia, South America, Southern Ocean, Australia, and became the most famous top brand.
Today, the main product is Ventilating Fan. Range Hood, Air Curtain, Hand Dryer, Ceiling Fan, Dehumidifier and Air Moving Equipment are also provided.
KDK has grown up over long period of time in overseas market. In November 2004, “KDK” has been in business for 95years. KDK group continues to strengthen the relationship with community and provide high quality products for your comfortable life.
 

Why are KDK fan so quiet?
KDK fan are quiet for a number of reasons, including:

  • Tip Speed  KDK fan use a wide blower wheel that moves a large amount of air at reduced RPMs. The larger wheel plus lower RPMs, amounts to less tip speed and noise.  Double Suction Blower Wheel The blower wheel draws in air from both sides, so there's more area for the air to enter the wheel. This cuts down on noise and makes the ventilation process more efficient.
    Exhaust Outlet  The outlet on the discharge side of KDK fan is as wide as the blower wheel, allowing less turbulent airflow as it enters the duct. Quiet Motor KDK fan feature four pole condenser motors, which are an advanced version of a Permanent Split Capacitor (PSC) motor. The four pole design helps the fan rotate smoothly and evenly, making KDK motors among the most efficient fan motors around.

    What makes KDK fan so energy efficient?
    In terms of input wattage, KDK fan are among the lowest in the industry. This low wattage draw is accomplished in a number of ways, including:
    Unique Motor Design The fan condenser acts like a capacitor to store electrical energy and deliver it quickly and in exact amounts to the coil. This reduces the power draw, thus improving the electrical efficiency of the motor. Selective Application KDK builds its own fan motors and components, therefore optimizing efficiency by matching the exact motor characteristics with the desired performance of the fans. Wide Blower Wheel The wide blower wheel improves airflow efficiency, enabling the fan to operate at a lower RPM and reduce energy usage.

    Why do KDK fan have such a long life?
    KDK fan are designed to provide continuous operation for a minimum of 30,000 hours. They are actually designed to provide up to 100,000 hours of operation, but most fan haven't been around long enough to reach that goal in testing. Some fan however, have reached 60,000 hours of testing with virtually no wear on their components.

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    A ceiling fan is a device suspended from the ceiling of a room, which employs hub-mounted rotating paddles to circulate air in order to produce a cooling effect.

    The electrically-powered ceiling fan was invented in 1882 by Philip Diehl (pronounced the same as "deal"). Diehl had engineered the electric motor used in the first Singer sewing machines, and in 1882 adapted that motor for use in a ceiling-mounted fan. "The Diehl Electric Fan", as it was known, operated like a common modern-day ceiling fan; each fan had its own self-contained motor unit, eliminating the need for costly and bulky belt systems.

    In Singapore, when the fan's direction of rotation is set so that air is blown downward (typically counter-clockwise, when standing under the fan and looking upwards), the breeze created by a ceiling fan speeds the evaporation of sweat on human skin, which is experienced as a cooling effect.

    Even though most ceiling fans can be mounted to all types of ceilings, not all can be mounted to angled or cathedral ceiling without an added bracket or down-rod