DIY Chinese solar greenhouse design and operation 3 26 15

This DIY Chinese solar greenhouse is designed using triple pane polycarbonate glazing and R23 Thermashield insulation and auto vents on the lower South and upper North. Ideally, the back inside North wall would have a water wall that is painted black (or 55 gallon barrels) and a drop down insulation layer over the glazing at night for further heat retention. In the wintertime, the sun is low in the sky and the water wall captures heat energy that is then released at night. In the summertime, the sun is high