Even if users select the "AC Fan" can choose the best one, but if the user is not in use in strict accordance with the instructions, it would have the effect of reducing the use of fans, and even shorten the life of the centrifugal fan, which is "AC fan" user is also a great loss, the correct use of centrifugal fans can not guarantee its results, but also in large part to extend fan life, so many users want to know exactly what kind of use is the most correct, to put the fan to minimize the damage it? Today, we can learn some tips on using a centrifugal fan. I believe as long as the user master these can certainly improve "AC Fan" use efficiency to a certain extent.