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Ceiling Fan Guide

CEILING FAN AIRFLOW ILLUSTRATIONS    

For Summer Cooling – the fan is turning counter clockwise.
We've all heard weather forecasters talk about the wind chill factor. By producing a breeze or wind chill, a ceiling fan’s downward airflow can make a room with a thermostat setting of 70-80 degrees feel like 72 degrees. The actual thermostat in the room will not change, it does not cool the room, only the occupants in the room will feel the wind chill effect and are more comfortable. This will equate to about 30% savings on air conditioning bills. It will actually allow more days a year when no air conditioning is needed.

Fan rotates counter-clockwise and cools by “Wind Chill”
Summer Cooling Air Flow


For Winter Warming – the fan is turning clockwise.
Ceiling fans are generally associated with warm weather usage. However, when a ceiling fan is in reverse motion, the upward flow of air will push the warmer air trapped at the ceiling back down to the floor making the living area of a room feel warmer. The air at the ceiling of a room is 15 degrees warmer than on the floor. Since, in the colder weather, most people set their thermostat to make their feet feel warm, getting warmer air down to the floor level creates comfort at a lower thermostat setting. To avoid wind chill with winter warming the fan should stay on low speed at all times.

Fan rotates clockwise and recirculates warm air without draft
Winter Warming Air Flow


Note: A ceiling fan should always be completely turned off and the blades stopped before changing direction of the motor.

Higher Blade Pitch – Produces more airflow.
Air Flow Volume





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