By selecting Paradigm, you’ve chosen a brand that has integrity, discipline and accountability “built in” to every product. It is our purpose to deliver energy efficient, durable window and door product solutions for your project, while staying relevant to quality, style and affordability. Founded in 1981, Paradigm provides premium quality, Energy Star® rated vinyl windows and doors for the new construction and remodeling industry, for both commercial and residential properties. Located in Portland, Maine Paradigm Window Solutions has been building and distributing custom vinyl windows and sliding doors throughout the Northeast, Mid-Atlantic, and Mid-West regions of the United States for nearly four decades. Our products are custom made to fit your needs, designed with beauty and tested for strength and performance, making our product an optimal choice for even the most diverse and rigorous climates. We, proudly, set ourselves apart from the competition by providing an industry leading Life Time Warranty, which includes a 5-Year Labor Warranty. “Why Paradigm?” because, whether it’s the new house of your dreams or a new look for the home you’ve always loved, we diligently stand behind every window and door that leaves our factory!