ATLANTA INSULATION CONTRACTORS

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R-values

R-value is a measure of thermal resistance to heat flow, or how well the insulation slows heat flow.  The larger the R-value, the more effective the insulation and the less heat flow.  Each wall, ceiling, and crawlspace in the home may have a different R-value.  The U.S. Department of Energy Web site contains a computer model that suggests R-values while taking into account specific home factors, such as efficiency of air conditioning equipment.

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