What Are the Benefits of Passive Solar Design?
Passive solar design uses building design to collect solar energy for cooling in the summer and heating in the winter. The benefits of passive solar design include reduced energy costs and environmental impact, as well as less need for large heating and cooling systems. Does this Spark an idea?
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Heating and Cooling
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Optimal passive solar design includes building windows, major walls, and rooms that require more light and heat in a south-facing direction to best allow the sun to warm the building.
Cooling
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Window overhangs and ventilation reduce glare that causes heat to build up too much. Good overhangs include trees, shutters and awnings that block the sun efficiently.
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More Natural Light
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A well-designed passive solar building also positions windows, skylights, courtyards, atria, reflective surfaces and light-colored finishes to increase natural light within the building and further lower energy costs.
Reducing Environmental Impact
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A well-designed passive solar building means less need for electricity and power consumption, which in turn reduces carbon emissions and greenhouse gas production.
Cost Reduction
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By reducing external energy needs, passive solar design also reduces energy expenses, at least partially. Of course, the effect will be greater in areas that receive more sunlight through the year.
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