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The AMCA testing laboratory is an A2LA accredited laboratory that tests air control and air movement devices for members of the air control and air movement industry. The AMCA lab comprises the following: [1] Four Reverberant Sound Rooms ranging in size from 6,300 cu.ft. to 61,700 cu.ft.
In general, Air Movement and Control Association Standard 230 sets uniform testing procedures for determining ceiling fan performance. AMCA 230 establishes uniform methods of laboratory testing for air circulating fans in order to determine performance in terms of thrust for rating, certification or guarantee purposes.
Centrifugal fans rated by the Air Movement and Control Association (AMCA) are tested in laboratories with test setups that simulate installations that are typical for that type of fan. Usually they are tested and rated as one of four standard installation types as designated in AMCA Standard 210.
In winter, running fans clockwise pushes heat down and in the summer, when the temperatures rise, folks want warmer air to rise and cooler air to be pushed down, which is why fans should be ...
Compared to standard axial fans, they can provide similar air movement from a smaller fan package, and overcome higher resistance in air streams. [2] Centrifugal fans use the kinetic energy of the impellers to move the air stream, which in turn moves against the resistance caused by ducts, dampers and other components. Centrifugal fans displace ...
The motor housing appears to be directly attached to the ceiling, that is where the name "hugger" comes from. They are ideal for rooms with low ceilings ranging in height between 2.286 m and 2.5908 m. A disadvantage to this design is that since the blades are mounted so close to the ceiling, air movement is greatly reduced.