A ceiling fan is a mechanical fan mounted on the ceiling of a room or space, usually electrically powered, that uses hub-mounted rotating blades to circulate air. It’s used for conventional cooling. T...

A ceiling fan is a mechanical fan mounted on the ceiling of a room or space, usually electrically powered, that uses hub-mounted rotating blades to circulate air. It’s used for conventional cooling. They only introduce movement to the air through their rotating paddles or blades..