NBP Windows

Since 1975, NBP Windows has been a leader in manufacturing premium vinyl windows and sliding glass doors from our Philadelphia, PA headquarters. Our commitment to innovation and quality has driven strategic expansions into the Midwest and Southeast regions, supported by significant investments in state-of-the-art manufacturing facilities, advanced equipment, and dedicated personnel. We specialize in creating energy-efficient products with advanced thermal and structural performance, designed to meet diverse project requirements through four distinct window series and specialty configurations. Our dealer-focused approach provides comprehensive support including product training, marketing resources, instant quoting tools, and direct access to in-house sales experts. Backed by rigorous quality assurance processes and a limited lifetime transferable warranty, we ensure both our products and customer service meet the highest industry standards.

With 150,000 square feet of production capacity and certified testing laboratories, we maintain strict quality control while delivering thousands of units annually. Our core values of Quality, Teamwork, Resolve, and Integrity guide every interaction, from manufacturing to post-installation support. We continuously enhance our systems to improve customer satisfaction, offering features like foam-filled frames for superior insulation and ENERGY STAR certified products that reduce energy consumption. Through our NBPconnect portal, we empower dealers with digital tools to streamline operations while maintaining personalized support through dedicated account representatives.