Window films serve several purposes. They reduce the amount of heat that enters a building, increase comfort and lower energy costs. They also can help protect furnishings from fading and make windows more shatter-resistant. Solar Security Films sells and installs the full line of 3M window films for both residential and commercial customers. Products include Scotchtint, Scotchshield and Fasara decorative films. The company was founded in 1993 and is one of the country's largest installers of 3M window films.