High-Performance Windows & Doors, Built to Last
Who We Are
At Summit Windows & Doors, we are a USA-based manufacturer specializing in premium European window and door solutions for residential and commercial spaces. Our passion lies in delivering energy-efficient products crafted with exceptional quality and meticulous attention to detail.
We’re committed to providing innovative designs, advanced features, and lasting comfort—all backed by our lifetime warranty.
About Summit Windows
At Summit Windows, we combine European design excellence with American craftsmanship to create premium windows and doors for both residential and commercial spaces. Proudly manufactured in the USA, our products are built to deliver superior energy efficiency, long-lasting performance, and timeless aesthetic appeal.
Our approach is rooted in innovation, precision, and quality. Every window and door is engineered with advanced features — from multi-point locking systems to thermal performance that meets and exceeds modern building standards. Whether you’re designing a high-performance home or a large-scale commercial project, Summit Windows offers the durability, style, and efficiency today’s spaces demand.
We stand behind every product we make with a lifetime warranty, ensuring peace of mind for homeowners, builders, architects, and developers alike.
At Summit, we’re more than just a window company — we’re your partner in building better spaces.
Our Process
Window & Door Solutions in Seattle, WA
Custom designs, expert installation, and lifetime support.
Consultation
We start by understanding your needs and vision. Whether it’s a residential or commercial project, our team works with you to find the perfect solution.
Customization
Choose from a wide range of styles, finishes, and features to create windows and doors that match your design goals and functional requirements.
Manufacturing
Our products are crafted with precision using high-quality materials and advanced European engineering for superior performance and durability.
Delivery
Nationwide delivery of custom tilt-and-turn windows in 4–6 weeks, including manufacturing and expert installation. Enjoy precise scheduling and seamless service for your home or commercial project.
Tested
Our windows are tested using advanced AAMA and NAFS testing and have achieved the highest performance grades in their class, ensuring exceptional durability, energy efficiency, and weather resistance for even the most demanding environments.
Secure
Our tilt-and-turn windows are engineered with European multi-point hardware, featuring reinforced mushroom-head bolts, steel-core frames, and laminated security glass. The espagnolette locking system engages up to 8 points for maximum resistance against forced entry, while child safety locks ensure ventilation without compromising security. Compliant with PAS 24 standards, these windows combine elegance with burglar-resistant technology for unparalleled peace of mind.
Energy Efficient
Achieve up to 50% lower energy bills with triple-glazed tilt-and-turn windows featuring argon-filled chambers, Low-E coatings, and multi-chambered uPVC frames. Certified by ENERGY STAR® and Passive House standards, our designs eliminate drafts through hermetic compression seals, reducing HVAC strain and CO₂ emissions.
Versatile
Customize every detail: choose from dual-tone frames, woodgrain finishes, or panoramic configurations. Opt for laminated, tinted, or frosted glass to match modern high-rises, traditional homes, or commercial spaces. With slimline handles and tilt-only modes for compact areas, our windows adapt effortlessly to your architectural vision.
Our Process
Window & Door Solutions in Seattle, WA
Custom designs, expert installation, and lifetime support. Get your free consultation today!
Consultation
We start by understanding your needs and vision. Whether it’s a residential or commercial project, our team works with you to find the perfect solution.
Customization
Choose from a wide range of styles, finishes, and features to create windows and doors that match your design goals and functional requirements.
Manufacturing
Our products are crafted with precision using high-quality materials and advanced European engineering for superior performance and durability.
Installation
Our expert installers ensure a seamless fit and professional finish, enhancing the efficiency and appearance of your space.
Lifetime Support
With our lifetime warranty and dedicated customer service, we’re here to assist you long after the project is complete.
TELL US ABOUT YOUR PROJECT
Cities We Service
Available In Over 24+ Cities In Washington
Seattle
Renton
Kent
Tukwila
Burien
Seatac
Shoreline
Normandy Park
Bellevue
Issaquah
Medina
New Castle
Redmond
Kirkland
Sammamish
Mercer Island
Puyallup
Tacoma
Federal Way
Auburn
Fife
Sumner
Edgewood
Milton