Your Trusted Window Provider Since 1975
Since 1975, NBP has made energy-efficient windows and sliding doors in Philadelphia, PA. We’re a premium vinyl window manufacturer serving dealers and contractors in the Northeast, Southeast, and Midwest regions of the US.
NBP is making changes and investing in our future. We're more committed than ever to creating quality products and a positive customer experience.
Choose the window manufacturer with:
- A convenient app that allows you to create a quote on-site instantly
- Award-winning products
- ENERGY STAR® Certified windows and doors
- Fully experienced, quality-minded people
- State-of-the-art manufacturing facilities
- In-house testing labs
- Certified product lines
- World-class quality assurance processes
- Support staff committed to your success
Our Mission
NBP’s ongoing mission is to create an exceptional experience for our customers, community, business partners, investors, and employees by manufacturing and distributing quality windows, sliding doors, and related products in a team-oriented organization built on our CORE values: Quality, Teamwork, Resolve, & Integrity.
The NBP Customer Experience
We’re dedicated to helping our dealers throughout the window-purchasing process. From manufacturing to sales and installation - we have you covered on all fronts.
- 150,000 sq/ft manufacturing space allows us to keep up with customer demands and produces thousands of windows and doors a year
- Continual investment and improvement of our business systems to create the best products and customer satisfaction
- Use our accessible online portal, NBPconnect, to instantly generate quotes on-site
- Product training and dedicated support contacts
- Samples, displays, and sales support tools
- Easy access to helpful materials like brochures, installation instructions, and care and maintenance documents for your customers
The Best Quality Products
We meticulously QA test during production. Our engineers rigorously test our products in a certified lab to verify that they meet the most stringent thermal and structural requirements.
This ability enables our customers to create custom product solutions with proven performance before items are shipped to the home or job site.
Our testing includes:
- Design pressure testing (AAMA standards)
- Air and water resistance
- Multiple quality assurance checkpoints during production
Industry Leading Warranty
All NBP residential windows come standard with a limited lifetime, transferrable warranty.
Our warranty backs up our premium vinyl windows and sliding doors. NBP ensures windows will be free from manufacturing or material defects for as long as they remain in use at the home where they were originally installed and the original purchaser (or authorized transferee) owns and resides in such home.
Our warranty backs up our top-quality workmanship, guaranteeing:
- Our windows will not rot, rust, warp, pit, corrode, or blister
- Vinyl colors will remain true for the life of the home
- The moving parts and the hermetically insulated seal are covered in the case of defects in materials or workmanship
- Stress cracks in any glass are covered for 90 days from the date of delivery
Experience the NBP Difference.
