100_1811Passive Solar Design  can capture the sun’s energy and store the heat in a earthen or stone floor.

A greenhouse can be added to your house as a passive solar heater. During the coldest days of the winter, a greenhouse will stay 15 to 25 degrees warmer than the outside at night.  On a clear cold day it will heat up to 80 degrees if it’s 30 outside. During the spring and fall, a greenhouse makes a very pleasant sitting room.  During the summer, the roof vents should be opened and the roof  covered with deciduous vines or bamboo screen to make a nice well-ventilated, shady area.


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