Make energy-saving updates now with windows that are the most energy efficient in vinyl windows. The WinGuard® Impact-Resistant Windows from PGT meet the most stringent code requirements for hurricane-force winds and flying debris. But WinGuard® does so much more for our homes. These custom windows help provide year-round security against thieves and intruders, dramatically reduce outdoor noise and filter out 99% of the UV light that enters your home and causes fading. When combined with our insulating glass you have energy efficient windows that can significantly reduce cooling and heating costs. The WinGuard window is 24/7 continuous protection.