Check out this recent article in Green Builder Media that discusses how window films can be a great way to improve the performance of your existing windows in many ways in a cost effective way.
Window Film: A Cost Effective Retrofit
Written by Jeffrey Plummer for Green Build Media
WHEN IT COMES TO ENERGY EFFICIENCY, windows may be homeowners’ Achilles’ heel. Between 10 percent and 15 percent of the energy a home uses is lost through windows, according to the U.S. Environmental Protection Agency (EPA). Also, windows may be responsible for as much as 25 percent of a home’s heating bill. Nearly 75 percent of existing windows are not energy efficient.
Windows can also have other impacts on a home. The sun’s harmful ultraviolet rays can do major damage to interior furnishings, carpets, flooring and desks. UV rays are responsible for as much as 40 percent of the fading that occurs inside a home.
The obvious solution is to completely replace those old windows with higher performing glass, right?
Maybe. But a more cost-effective and environmentally sound solution might be installing window film on the existing windows, enabling a powerful combination of improvements, including better energy efficiency and reduced UV rays without losing light and views, while preserving furnishings. Consider it “repurposing” your windows instead of buying new ones!
– See more at: http://www.greenbuildermedia.com/buildingscience/window-film-a-cost-effective-window-retrofit#sthash.zG4C7yCr.dpuf