: The most common choice in the US (approx. 80%) due to its affordability and low maintenance. 0.5.1 , 0.5.31
: Strong and durable, allowing for thinner frames and larger glass areas in modern designs. 0.5.31 Common Window Styles HOUSE WINDOWS
: Traditional vertical sliding windows; double-hung allow both sashes to move for better ventilation. 0.5.25 , 0.5.33 : The most common choice in the US (approx
: For maximum efficiency, look for low U-factors (insulating value) and a low Solar Heat Gain Coefficient (SHGC) to block heat in warmer climates. 0.5.5 , 0.5.24 0.5.31 : Strong and durable