What SHGC Rating Is Best for Windows in North Texas?
Why SHGC Matters More Than Most Homeowners Realize Homeowners usually notice the results of the wrong window choice before they notice the rating itself. A room that overheats every afternoon, curtains that fade fast, and an AC that seems to run nonstop are all signs that the glass is letting in too much solar heat. SHGC measures how much of the sun's heat passes through the window. Lower numbers block more heat, while higher numbers admit more of it. In a place like