Today it says "220V AC Cooling Fan" cooling principle with a simple talk, the hope that we can more clearly understand the wet curtain wet curtain fan most basic function is to air heat and moisture treatment, when the air reaches the air supply requirements when, to meet the temperature of the air conditioned space, humidity, wind speed and cleanliness requirements, "220V AC Cooling Fan" core issue is the air and water heat and mass transfer problems. for "220V AC Cooling Fan" must be combined with the use of negative pressure fans used together, otherwise basic little cooling effect in the near future will be the development of ventilation and cooling equipment more perfect, more humane, while a lot of hope that the new and old customers to support us.