National Window Co. offers PGT Custom Windows & Doors products in the new home construction and window replacement industry with customer satisfaction as our top priority. Our company works with local general contractors to provide the homeowner with the best possible new home construction window or replacement window package available. We also work with individual homeowners wanting to upgrade their windows and doors or protect their homes from hurricane damage. We provide start-to-finish project management of all phases of your windows installation, from the FREE in-home consultation to hauling off your old windows.