Browse the Top 7 Door & Window Companies Serving Nepean, ON

JR Windows has provided expert window, door, and exterior renovation services in Ottawa and Eastern Ontario since 1990. Specializing in residential and commercial installations, repairs, and energy-efficient upgrades, we combine craftsmanship with modern solutions. Our commitment to quality is supported by industry-leading warranties and a BBB A+ rating.

Ottawa Windows & Doors specializes in manufacturing and installing energy-efficient windows and doors, serving households in Eastern Ontario and Western Quebec. With over 35 years of experience, we combine advanced technology, premium materials, and expert craftsmanship to deliver durable, Energy Star-certified products. Our comprehensive services include free consultations, precise measurements, and a 20-year warranty on parts and labor.

Merlin Door is an Ottawa-based supplier specializing in commercial doors, frames, and hardware since 1994. We deliver high-quality steel and wood door systems, toilet partitions, and security hardware with on-site customization and professional installation services. Our expertise serves Eastern Ontario's commercial, institutional, and industrial clients through reliable delivery and comprehensive product warranties.

Queensway Door Service has been Ottawa's trusted provider of premium doors, windows, and installation services since 1979. Specializing in residential and commercial solutions, we offer storm doors, security hardware, and energy-efficient windows tailored to local climate needs. Our family-owned business combines 40+ years of expertise with partnerships with top brands to deliver durable, stylish products backed by exceptional customer service.

Cana Windows specializes in premium window and door solutions for residential and commercial properties in Ottawa. With over 30 years of experience, we offer custom-designed PVC, aluminum, and wooden windows alongside steel and fiberglass doors, all engineered for durability, energy efficiency, and aesthetic appeal. Our commitment to quality is underscored by industry-leading warranties, BBB accreditation, and a focus on innovative technologies like soundproofing and thermal insulation.

Canadian Comfort has been Ottawa's trusted provider of energy-efficient windows and doors since 1968. We specialize in expert installation and replacement services for residential and commercial properties, offering products from leading brands like North Star and Gentek. Our commitment to quality, durability, and customer satisfaction is underscored by a 10-year labor guarantee and industry-leading warranties.

EuroStar Windows specializes in premium window and door installation, offering energy-efficient, durable solutions to enhance homes and businesses. Our core mission is to deliver high-quality products that improve comfort, security, and property value through expert craftsmanship and innovative design. With showrooms in Toronto, Ottawa, and Burlington, we serve clients across Canada with personalized service and industry-leading expertise.