U.S. Department of Energy Energy Efficiency & Renewable Energy U.S. Department of Energy Energy Efficiency & Renewable Energy

Windows for Cold and Hot Climates

Question: 

A. Would a building in a cold climate benefit more from a window with a high U-value or a low U-value?

B. Would a building in a hot climate benefit more from a window with a high SHGC or a low SHGC?