Glass features high transparency and a long service life and is east to maintain as a covering material of different greenhouses. A glass greenhouse is a good choice for places where there is little illumination but much geothermal energy resource and waste heat from power plants.
Single glazed glass: The material possesses an attractive appearance and good transparency. The glass has a 10-year warranty. But its performance in heat preservation is inferior to that of multiwall polycarbonate sheet.
Hollow glass: Hollow glass has good appearance and good transparency. Heat preservation performance is equivalent to that of multiwall polycarbonate sheet. And it has a warranty of 10-year.