Business Details
50+ Years
experience
Trusted Manufacturer of Energy-Efficient Windows & Doors in Pittston, PA
Interstate Window & Door has been a trusted leader in manufacturing high-quality windows and doors since 1938. Founded in Wilkes-Barre, Pennsylvania, our family-owned business spans three generations, combining decades of craftsmanship with cutting-edge technology to deliver energy-efficient solutions. We pioneered the first all-vinyl single-hung window for the new construction market and continue to innovate with products like our CompositWood line, which merges the aesthetic appeal of wood with the durability of vinyl. Our commitment to excellence is reflected in industry recognition, including awards from the Manufacturers & Employers Award for Excellence and contributions to iconic projects like the Statue of Liberty restoration.With a focus on sustainability, we utilize eco-friendly practices such as recycling materials and optimizing energy use in our Pittston, Pennsylvania facility. Our team prioritizes customer satisfaction through personalized service, backed by a Limited Lifetime Warranty, ensuring long-term value for residential and commercial clients across the Eastern United States.
Services
Windows
Doors
Commercial Windows
Commercial Doors
Energy-Efficient Products
Details
- Year established: 1938
Highlights and features
- We offer over 80 years of expertise in window and door manufacturing.
- Our products feature patented Duralite Spacer System for superior energy efficiency.
- We use 100% recyclable materials and sustainable production practices.
- Our CompositWood line combines wood aesthetics with vinyl durability.
- We back our products with a Limited Lifetime Warranty.
Associations and certifications
- ENERGY STAR
- NFRC
What people say
Amazing craftsmanship
Fantastic company
Great customer service
Excellent value
Super impressed
Services
Vinyl Windows
Our vinyl windows combine durability with low maintenance, featuring fully welded sashes for enhanced strength. Designed for energy efficiency, they reduce air infiltration and lower utility costs. Ideal for residential properties seeking long-lasting, cost-effective solutions.
CompositWood Windows
CompositWood windows offer the aesthetic of wood with the resilience of vinyl, resisting moisture and warping. Their proprietary polymer blend ensures stability in extreme climates. Perfect for homeowners prioritizing both style and performance.
Commercial Windows
Tailored commercial windows meet rigorous building codes and design specifications for offices, schools, and historical projects. Backed by 100+ years of combined team experience, they ensure durability and energy compliance for large-scale applications.
Patio Doors
Our vinyl and CompositWood patio doors provide seamless indoor-outdoor transitions with superior insulation. Customizable sizes and styles enhance home aesthetics while maintaining security and energy efficiency for modern living spaces.
Historical Restoration
Specializing in historical window and door replacements, we preserve architectural integrity while integrating modern efficiency. Notable projects include the Statue of Liberty Restoration Pavilion, showcasing our commitment to quality and heritage conservation.
People
Joseph Pupa III
President
Leading since 2000, Joseph Pupa III continues his family's legacy with a focus on innovation and sustainability. He oversees operations at the Pittston facility, ensuring adherence to quality standards and customer-centric solutions.
Questions
What types of windows do you offer?
We provide vinyl, CompositWood, and commercial-grade windows, including double-hung, casement, and energy-efficient models tailored to residential and historical projects.
Are your products energy-efficient?
Yes, our windows and doors meet ENERGY STAR standards, featuring technologies like the Duralite Spacer System to minimize heat loss and improve insulation.
Do you offer warranties?
All products include a Limited Lifetime Warranty covering defects in materials and workmanship, ensuring long-term performance and customer confidence.
Can you assist with commercial projects?
Our team specializes in commercial solutions, offering customized windows and doors for offices, schools, and historical buildings with technical support and compliance certifications.
How do you support sustainability?
We use recyclable materials, energy-efficient manufacturing processes, and donate to environmental initiatives like Habitat for Humanity ReStore Program.
Where are your products available?
Primarily serving the Eastern United States, our products are distributed through dealers and contractors in Northeast Pennsylvania and surrounding regions.
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