Choosing the right window system depends on how much of the window you need to replace to solve your existing problems. There are at least three different systems: sash replacements, sash replacements in a unitary frame and “prime windows,” or full window units with structural frames and sills like those used in new construction. If your old window frames are rotted and you see signs of water damage in the wall framing, you’ll probably want to go with prime windows (be sure to find the source of the leak and fix that first). If, on the other hand, the frames are sound and square, you may be able to get away with simply replacing the sash.
Replacement windows come in vinyl, aluminum, wood, clad wood or fiberglass. Each looks and performs differently, and cost differences among materials vary widely. As a general rule, the most expensive choice is clad wood, which combines a traditional look with low maintenance and energy efficient performance. By contrast, vinyl windows, which offer good energy performance but usually look heavier and lack traditional details, tend to cost the least.
Double-pane insulating glass is now standard with most replacement windows, but you can add special features: low-E coatings and gas fill can enhance energy performance, while other choices address noise control, safety, security, privacy and reduced cleaning. All, however, come at a price.
High Anxiety Sales Approach
Determining the type of replacement windows you want is in many ways the easiest part. Finding a dealer with reputable business practices and a skilled installer may require more effort. According to the Better Business Bureau, the volume of complaints about home improvements, including window replacement, is second only to car repairs.
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