Greenhouse ventilation system

roof

System functions 1. Staggered windowing design is used for the top-vent so as to strengthen convection effect of the air. Opening angle can reach 30°. Apply different opening according to climate difference inside and outside. Ventilated area can take up more than 20% of top surface area of greenhouse. 2. Overall mechanical transmission mode is used for side-vent. It is matched with the top-vent for cooling. Eversion type or push-pull type side window is used. 3. The unique window opening outer fly net design can prevent the insect and sundries entering greenhouse and reduce infection on greenhouse crop. Gear and rack transmission mode and electric control are used for the top-vent or side window