10/23/2026
ENERGY STAR states that Solar Heat Gain Coefficient, or SHGC, measures how much solar heat from sunlight is blocked by a window.
That matters in Central Texas, where strong sun can change how a room feels throughout the day. If you are thinking about energy-efficient glass upgrades, understanding how your glass handles sunlight is a smart place to start. Shane's Panes helps homeowners and commercial customers choose custom glass solutions that fit the space and the goal.