Not one window style is designed to last the longest, as there are several factors that affect how long windows York, PA will last exactly. These include whether or not a replacement window was installed right, the type of window framing material used and the level of upkeep provided, as well as how much wear and tear a unit is subjected to. For your windows to last, choose a window framing material designed to withstand the elements and ensure your replacement windows are installed by a professional.