Qetaf Could Tunnel GreenHouses The single-cold protected greenhouse is 9 m wide and has varying lengths not exceeding 39 m and is less than the length of the area according to the climate of the area where the single refrigerated protected agricultural house will be installed. The metal structure of the single protected house will be cooled from both sides so that one of the façades is ready for installation And cooling cells, while the other facade of the single-refrigerated protected house is designed to install the fans of the draw so that the single agricultural house is cooled with a number of (2) pull fan diameter (50 "), And a fan of air distribution inside the house protected individual refrigerated as well as the house is provided with a single protected refrigerated room sterilization with doors to ensure the isolation of the internal environment of the house protected individual cooled from the external environment and ensure the preservation of temperature inside the house protected individual refrigerated and non-transmission of agricultural pests as is Manufacture of single-chamber protected agricultural structure using galvanized iron on protector (G90) (275 g / m2) and thicknesses (1.5 mm - 2 mm) to be resistant to rust and other weather factors and to withstand single greenhouse protected agricultural houses Wind speed Up to (110) km / h. Qitaf Company for Protected Agricultural Houses provides a guarantee for the individual protected agricultural houses cooled up to (10) years.