Window U-Factor and SHGC Recommendations for South Carolina
For South Carolina homes, window performance usually comes down to two ratings, U-factor and SHGC, and both deserve attention before you sign a contract. South Carolina is a mixed climate in a practical sense, but most homeowners are fighting heat, humidity, long cooling seasons, and strong sun more often than cold weather. Why U-factor matters Think of U-factor as the window's resistance to unwanted heat flow. The lower the number, the better the window holds indo