"Waterproof Cooling Fan" at work (assuming no heat transfer with the outside room) not only did not reduce the indoor temperature, it will rise. Let us analyze a temperature rise causes: "Waterproof Cooling Fan" work, since the current through fan coil wire is resistance, it will inevitably produce an exothermic heat outward, so the temperature will increased. But why people will feel cool it? Because the body's surface have a lot of sweat, When fans work together, indoor air can flow together, so we can promote the rapid evaporation of sweat, combined with "evaporative need to absorb a lot of heat", so people will feel cool. "Waterproof Cooling Fan" Category Editor: Press the motor structure can be divided into: single-phase capacitor type, shaded pole single-phase, three-phase induction, DC and AC and DC series wound commutator fan. By Application can be divided into: home fans and industrial exhaust fan. Press out air classification can be divided into: axial fans, centrifugal fans and cross-flow fan and the like.