In the winter, when the sun is positioned low in the sky, the southern-facing windows allow the sun's rays to enter through the windows and heat the home. In the summer months, when the sun is positioned high in the sky, a passive solar home will use a large overhang for shade. This prevents the sun's rays from entering the window, keeping the home cool.
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Passive solar heating can be used in your home to cut your wintertime heating bill
, a home designed for passive solar heating will need to be positioned in a way that allows heat from the sun to enter in the winter