Window U-Values Explained: Essential Guide to Ug, Uf and Uw
Window U-Values Explained: Why Ug, Uf and Uw Are Different When choosing replacement windows, one of the most important things to understand is how well they prevent heat from escaping your home. This is where window U-values become useful. You may have seen figures such as 1.2, 1.4 or 1.6 W/m²K on a window quotation.…









