agricultural greenhouse with double film

this kind of greenhouse with double film on the wall, so have good keep warm ablity in cold weather , widely use for cold area. outside wall covering 150 microns film, inner wall covering 100 microns film always. 

outside shading system can keep the greenhouse inside is cool in the hot summer, and with cooling fan and water curtain. 

When the sun is in direct sunlight, the external shading product first blocks part of the heat outside the glass, and part of the heat is taken away by the flowing air, and the amount of heat that can enter the room is very small, so as to achieve the effect of shading and cooling. . The shading effect of the outer shading is better than that of the inner shading. In addition, its anti-theft and sound insulation effects are also excellent. The middle sunshade is a new type of sunshade product in which the shutters are installed in the hollow glass. It is controlled by magnetic force or electric to complete the opening and closing of the shutters. . It can effectively block the strong solar radiation in summer, improve the indoor light environment, and lower the indoor temperature. However, this kind of sunshade product has a unique advantage, because its sunshade curtain is installed between two layers of glass, and it can last for a long time without cleaning. Of course, if there is a failure, the maintenance difficulty will increase. As the name implies, the inner sunshade is a sun-shading product installed indoors. This sun-shading product waits for the sun to enter the room before blocking treatment. The sun-shading and heat-insulating effect is not as good as the outer sun-shading and hollow sun-shading, but it is more widely used.