Browse the Top 10 Door & Window Companies Serving Ottawa, ON

Advantage Enterprises Windows & Doors supplies and installs high-quality, energy-efficient windows and doors in Ottawa. Specializing in vinyl windows, steel entry systems, and patio doors, we combine premium materials with expert craftsmanship. Our BBB-accredited business prioritizes customer satisfaction through free estimates, extensive warranties, and installations by skilled professionals.

Manotick Windows & Doors is a trusted Ottawa-based provider of premium window and door replacement services. Specializing in energy-efficient solutions, we serve residential clients with custom installations, including Northstar windows, Sunspace sunrooms, and Phantom Screens. Accredited by the BBB and affiliated with industry leaders, we combine 15 years of local expertise with top-tier products to deliver lasting value.

Paramount Door & Window Service provides expert installation and repair services for residential and commercial doors, windows, and related systems in Ottawa and Eastern Ontario. Our team utilizes advanced equipment and premium materials to ensure durable, energy-efficient solutions completed on time. With 24/7 emergency availability and bilingual support, we prioritize customer satisfaction through competitive pricing and guaranteed results.

National Contract Glazing specializes in innovative glass and aluminum solutions for commercial and institutional projects. We design, manufacture, and install curtain walls, windows, skylights, and siding systems, combining technical expertise with energy-efficient practices. Operating across eastern Canada, we support architects and contractors with end-to-end project management and customized designs.

Stained Glass Stuff is a family-owned studio specializing in stained glass supplies, custom glasswork, and educational classes. We provide high-quality materials like dichroic and Youghiogheny glass while offering services including kiln fusing, glass repair, and framing. Our expanded Bells Corners location supports both hobbyists and professionals through retail sales, workshops, and shipping across North America.

Capitall Windows provides premium window and door replacement services in Ottawa and Gatineau. Specializing in energy-efficient solutions, we offer top-quality products from trusted manufacturers with professional installation and personalized service. Our 15+ years of expertise ensure enhanced home comfort, aesthetics, and value for residential clients.

Big City W & D provides premium windows, doors, metal roofing, and siding for residential and commercial properties. We combine Canadian-made quality with energy-efficient designs to enhance home aesthetics, security, and value. Backed by 20+ years of experience and industry-leading warranties, we deliver tailored solutions with professional installation and exceptional customer service.

Doorcorp Ottawa specializes in custom doors and windows for residential and commercial properties. Established in 1999, we offer manufacturing, installation, and retrofitting services with a focus on quality and client satisfaction. Our products include fire-rated doors, metal frames, and press steel windows tailored to unique specifications.

Eco Ottawa Windows & Doors specializes in energy-efficient windows, doors, and roofing solutions for residential properties in Ottawa. We combine superior product design with comprehensive lifetime warranties to enhance home comfort, value, and sustainability. Our team delivers expert installations backed by decades of industry experience and a commitment to customer-centric service.

Dalmen Pro specializes in high-quality, energy-efficient windows and doors for residential and commercial properties in Ottawa. Since 1973, weve combined advanced manufacturing techniques with personalized service to meet diverse architectural needs. Our products, including triple-glazed windows and custom entrance doors, are designed to withstand Canadian winters while improving energy savings and property value.