voda pruf
Solar house is based on passive solar design of buildings where walls, windows, floors, roofs, passages are so designed to collect, store and distribute solar energy in the winter and reject the same in the summer thus keeping the interior environment appropriate. It is called passive since it does not require any mechanical or electrical devices to keep the inside temperature amiable. The best use of local climate is made. The windows are so placed, the walls are so slanted and angled, the roof is so sloped and the floors are so glazed that all elements make the best use of available thermal mass and shading.