Why is the same heat, fan difference so big!
 
Floor fan, wall fan, flip fan and other ordinary electric fan blowing out the wind, such as sound waves, into a diffuse type, the density is small.
 
Circulation fan is a spiral wind column, the wind concentration, into a straight line, density, blowing the body as a trace of a natural wind blowing in the body, cool and comfortable!
 
The same distance, not the same density, so the feeling is not the same



Type A























Type B