Solar Heat Gain Coefficient (SHGC) tells you how well the window blocks heat caused by sunlight. The lower the SHGC, the less solar heat the window transmits. SHGC is measured on a scale of 0 to 1; values typically range from 0.20 to 0.80.
Solar Heat Gain Coefficient (SHGC) tells you how well the window blocks heat caused by sunlight. The lower the SHGC, the less solar heat the window transmits. SHGC is measured on a scale of 0 to 1; values typically range from 0.20 to 0.80.