Inside Thermal Screen System Thermal Screen is used widely in greenhouse for conserving energy, especially in cold season. It is an efficient and most economic way to saving energy and keeps warm inside greenhouse. The screen now is mainly made by aluminum. The aluminum material is with high reflectance and heat insulating which can keeps greenhouse warm.The curtain can be closed at daytime which will not influence the sunlight, and it can be open at night which will reduce the thermal losses at night. It's a simple and efficient system of modern greenhouses.  Quality Manage System Certificate Since 2009