The cooling screen  works in the condition of negative pressure, and is installed in the side wall or in the gable wall, and the fans are installed in the opposite side. The water film of recyclable water system is formed in the surface of the pad, when the air goes through the pad, the heat will be taken up by the water’s evaporation, so the air will be cooled before going into the house.

Fan+Cooling Screen=Negative Pressure Psyctic,  which ensures the shed under the temperature of  30℃.