What is the value of passive solar design?
Does anyone know of studies that have been done which quantify the value of passive solar or sun-tempered design? It seems like common sense to design a home with many south-facing windows (with or without thermal mass), but how much energy can such a strategy save? As an architect in southwestern Wisconsin, I sometimes have clients who say they would like a passive solar home, but they also want to design to take advantage of the views on their site (which are often in a direction other than south). How much of an advantage is correct solar orientation compared to, for example, adding extra insulation in the walls and roof?
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