At North Star, we are committed to manufacturing quality windows and doors, providing great service and delivering exceptional value. A process of continuous improvement is driven by our commitment to customer satisfaction through: - Innovation in product development - Advancements in engineering technologies – including an environmentally friendly production process that saves energy and reduces waste - A record of consistently meeting or exceeding industry standards - Thorough and responsive service that supports our dealers and customers With a limited lifetime warranty, we stand behind our products and support customers through the lifetime of our windows and doors.