b'Replacing a Windowwith a DoorThe opportunity to add more glass area in any homeis an opportunity to let in more light and ventilationand improve the view. Adding more glass area can bedone by removing a single window and adding a bayor bow window, or even a wider combination window.Installing a patio door not only increases the glasssize, but will offer another entry/exit point to adddeck or sunroom access.Todays high performance windows and doors limitany increase in energy consumption that might occurby making the opening bigger and the weather strip-ping, glazing and precision design will out-performsmaller, old windows.Considerationswhen Replacing Windows withDoors1. There must be roomfor the new window ordoor.Beyond measuring forthe width and height ofthe new window or door,it is important to consid-er the need for a headerabove the newwindow, andto be sureelectrical andheat wires,pipes andducts are notin the way orare properlymoved orrepositionedto accommo-date the newunit.Window Fitters Guide to Window Installation 123Contents 2020-Do not reproduce without permission'