subject: What You Need To Know About Replacing Double-hung Windows [print this page] Many people decide to replace their existing windows when they no longer work or if they have become badly worn-out. Wallside, Inc., one of the largest and longest established retailer/manufacturer of windows in a single geographic market in the United States, cautions against replacing the original windows without an expert installer. This can lead to poor installation, improper sealing or even irreparable window damage.
Deteriorating or improperly installed windows can cost you thousands of dollars per year in needless high-energy costs. Loose, rattling, poorly sealed or rotting windows need to be replaced.
The most important factor when it comes to window efficiency, however, is the installation. Even if the windows are of the finest quality, it won"t make a difference if they are not installed correctly. Home heat can be lost as long as there is even the slightest opening or breach. Therefore, a professional installation is always the safest bet. In some cases, too, a DIY installation will void the manufacturer"s warranty.
Double-hung windows remain very popular and represent the most familiar window type, consisting of a sash, which slides vertically, providing the maximum face opening for outside ventilation. Each sash has springs, balances or compression weather stripping to prevent air infiltration.
This type of windows has friction devices, which help in lifting, lowering and positioning the sash. Other types can be removed, rotated and tilted. With these windows, both sashes slide vertically and the ventilation area varies from a small crack to one that equals one half the total glass area.
Double-hung windows are also used in combinations, but they are not recommended for places where it is hard to open the window. The double-hung window is also frequently used when replacing older windows. Valued for their versatility "" with features such as insulation for improved energy efficiency, tilt-in sashes and UV protection.
