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Windbreaks Cut Heating Costs By One Third In Tests
A U.S. government study releases results from South Dakota and Nebraska showing windbreaks slash winter energy use by about 34 percent and 23 percent respectively while maintaining 70 degree interior temperatures. Effective windbreaks, placed upwind one and a half to two and a half times building height, deflect winds and reduce heat loss through windows. even partial wind penetration helps avoid leeward suction. Costs for American arborvitae windbreaks run around $2 per linear foot, with a six foot high fence section priced near $33. The report notes other energy savers such as shutters and light-colored awnings and details design guidance for seasonally varied winds.
MENTIONED IN THIS ARTICLE
Michael J. Conlon Washington
UPI
National Bureau of Standards
South Dakota
Nebraska
United States