If the eyes are windows to the soul, then windows are the soul of your building. Clean, functional, well-insulated windows are crucial to not just the look of your building (both inside and out), but to controlling energy costs as well. Whether your building is in the city or in a more suburban setting, your windows are under stress from an array of factors. In this clip, an industry pro outlines those threats, as well as how to prevent them from shortening the lifespan of your community's windows.