RTFANS provides a professional-quality Exhaust Fan, which is working with evaporative air coolers.
An exhaust fan is the use of air convection. The cooling principle of negative pressure ventilation is to suck in fresh air through the installation position to the door or window, so that the indoor hot air is quickly forced to the outdoors. It is a machine that can improve any problem of poor ventilation which cooling and ventilation effect can reach 90%-97%.