Solar Heat Gain Coefficient
Quantifies the amount of solar radiation through the window . The SHGC number ranges between 0 and 1, and represents the fraction of solar heat transmitted through the window, as compared to the amount of heat that would flow through a comparable unobstructed opening of the same size .
National Trust for Historic Preservation, Preservation Green Lab, Cascadia Green Building Council, Ecotope, and National Centre for Preservation Technology and Training. “Saving Windows Saving Money,” 2012. http://www.preservationnation.org/information-center/sustainable-communities/green-lab/saving-windows-saving-money/?utm_source=facebook&utm_medium=like&utm_campaign=Saving Windows Saving Money.
WP Glossary Term Usage
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