Solar Air Dryer

Uses solar energy to heat the air. The hot air can be circulated for drying. As a fuel source, it can be integrated with the existing systems as retrofit or merged with new construction. It can be installed vertically or at any slope. No need of glazing or Insulation. As a building material it can form the roof or walls of the drier chamber. One can walk on its surface which is resistant to all types of weathering.