Impact windows can significantly reduce your monthly costs, reduce the amount of outside noise coming into your home, protect your glass from debris, and provide security against burglary attempts and flying objects during hurricanes and high winds. It is to your advantage to repair your old glass windows or install impact resistant windows in your Florida residences, apartments and commercial buildings. Hurricane resistant impact windows go through a series of rigorous tests. These tests are performed using the following six criteria: air infiltration, water resistance, forced entry, wind resistance, flying debris, impact resistance and 9,000 internal/external pressure cycles.