Glossary
Solar Heat Gain Coefficient (SHGC)
A measure of how well a window blocks heat from the sun, expressed as a fraction of the heat from the sun that enters the window. A lower SHGC is generally preferable, particularly in hot climates.
A measure of how well a window blocks heat from the sun, expressed as a fraction of the heat from the sun that enters the window. A lower SHGC is generally preferable, particularly in hot climates.