No matter where you live on Earth, you deal with the sun. Near the equator people seek shade. Toward the poles sunlight is precious. The sun provides more than light; it can create heat in homes: wanted in winter, avoided in summer.
Sunlight also degrades many materials. Untreated wood literally falls apart, blackens or is bleached under the sun. Plastics fade and become brittle. The heat created on the south side of buildings by the sun can cause buckling of asphalt shingles in unvented roofs.
In short, if your home’s design ignores the sun, you will suffer. Most stock plans do not consider the sun’s path across the site they happen to be built upon, but many designers find the sun an inspiration in custom designs for new homes and for renovating those stock, sun-ignoring designs.
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