- September 16, 2013
When buying a ceiling fan there are several factors that should be examined before making a purchase. A ceiling fan is basically a motor with blades suspended from a ceiling. Pretty straightforward yet there are huge quality differences that can impact you and the comfort of your home.
|Die Cast Motor
Putting aside all style considerations, motor size, AC or DC motor, blade pitch, blade arms and mounting hardware are the factors you should familiarize yourself with before buying a fan because these are the factors that determine the airflow, measured as CFM, the efficiency and the quiet operation of a ceiling fan.
Motor size is measured in millimeters. A small motor might be 144 x 10mn whereas a large motor might be 188 x 22mn. Blade pitch should be at least 14 degrees. Blade arms should be sturdy metal, strong enough to accommodate the blades. A DC motor is more efficient that an AC motor, but it is more expensive to purchase initially. Look carefully at all the specifications before making a purchase. You will have the fan running most of the time so you will want it to be quiet and capable of moving air.
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