Business Details
32 Years
experience
Energy-Efficient Windows & Doors in Bristol, PA
Founded in 1994, OKNA Windows has established itself as a leader in the window and door manufacturing industry. Our family-owned business combines advanced automated equipment with dedicated craftsmanship to deliver high-quality, energy-efficient products. With over 30 years of experience, we operate a state-of-the-art facility in Bristol, Pennsylvania, serving homeowners across 25 states through a network of certified dealers. Our commitment to innovation is reflected in our product lines, which meet rigorous Energy Star, AAMA, and NFRC standards. We offer customizable vinyl windows and patio doors with features like HeatSeal warm edge spacers and Transferable Lifetime Limited Warranties.Our focus on sustainability ensures environmentally responsible practices, while our partnerships with glass and spacer manufacturers guarantee top-tier performance. From double-hung windows to bay and bow configurations, our products blend traditional aesthetics with modern efficiency. We maintain strict quality control through independent testing facilities and continuous process improvements. Our team of over 200 employees remains dedicated to customer satisfaction through personalized service and technical expertise. As we expand westward, we continue to prioritize the values that built our reputation: quality, innovation, and reliability.
Services
Double Hung Windows
Slider Windows
Casement Windows
Patio Doors
Bay & Bow Windows
Details
- Year established: 1994
Highlights and features
- We have 30 years of experience in vinyl window manufacturing.
- Our products are Energy Star certified for energy efficiency.
- We offer a Transferable Lifetime Limited Warranty.
- Our windows meet rigorous AAMA and NFRC standards.
- We use advanced automated equipment for quality control.
Associations and certifications
- Energy Star
- NFRC
- AAMA
Services
Double Hung Windows
Our 800 series double hung windows combine traditional wood aesthetics with vinyl durability. Features include HeatSeal warm edge spacers for thermal efficiency, dual weather-stripping to reduce drafts, and magnetic seals similar to refrigerator technology. Available in multiple interior and exterior color options with customizable hardware and specialty glass choices.
Casement Windows
The CA700 casement windows offer a progressive multi-point locking system for security and weather-tight seals. These windows open 90 degrees for maximum ventilation and easy cleaning, with WOCD safety latches available. They feature corrosion-resistant operators and come in various interior laminates and exterior color options.
Patio Doors
The 8800 and 8200 series patio doors provide structural integrity and energy efficiency. The Elegante model offers space-saving design while the Forester series mimics traditional wood aesthetics. Both include heavy-duty hardware, multi-point locking systems, and customizable glass options for light control and privacy.
Bay & Bow Windows
Custom-configured bay and bow windows create architectural interest while maximizing natural light. Available in multiple angle configurations (10, 15, 30, 45), these units feature insulated headboards, water penetration barriers, and foam-insulated mullions with threaded rod reinforcement for structural stability.
Energy-Efficient Glass
Our glass options include tempered, laminated, and textured varieties for privacy, strength, and noise reduction. Low-E coatings minimize UV damage to interiors while maintaining visible light transmittance. Custom configurations allow tailored solutions for light control and aesthetic preferences.
People
Voytek
Co-Founder
Co-founded OKNA Windows after working as a general contractor in New York. Identified market demand for quick window supply and installation, leading to the company's creation in 1994 with 12 employees. Expanded operations to a 200+ workforce facility in Bristol, PA.
Yarek
Co-Founder
Co-founded OKNA Windows following general contracting experience in New York. Transitioned from fulfilling immediate supply needs to establishing a manufacturing facility in Bucks County, PA. Oversaw growth to a state-of-the-art facility with 200+ employees by 2015.
Questions
Where can I buy OKNA Windows and Patio Doors?
Our products are available through certified dealers. Contact us to locate a dealer in your area.
How do I evaluate window energy performance?
Look for the NFRC label showing U-Value, Solar Heat Gain Coefficient, and Visible Light Transmittance.
What are the benefits of replacing existing windows?
New windows improve curb appeal, reduce energy costs, and offer modern energy-efficient features.
Do vinyl windows require maintenance?
Our vinyl windows are virtually maintenance-free, requiring only occasional cleaning with mild detergent.
What is condensation and how can it be reduced?
Condensation forms from humidity contacting cool surfaces. Our windows minimize this through warm-edge technology and proper ventilation.
What financing options are available?
We recommend contacting your local certified dealer for current financing programs and pricing details.
