Passive solar design uses a building’s orientation, structure and materials to capture the sun’s energy. Taking advantage of the sun is not a new idea. In Mesa Verde, Colorado, ancient cave dwellings were oriented to the south. The cave overhang protected the dwellings from direct summer sun, but allowed its warming rays in the winter. Homes in any climate can take advantage of solar energy by incorporating passive solar design features. Even in Wisconsin’s cold winters, passive solar design can help cut heating costs and increase comfort.
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