Explore 8 Trusted Door & Window Companies Serving London, ON

Centennial Windows is a Canadian family-owned business specializing in the manufacture and installation of ENERGY STAR-certified replacement windows and doors. With 43 years of experience and over 500,000 installations, we provide customized, energy-efficient solutions with lifetime warranties. Our end-to-end service combines manufacturing excellence with professional installation and ongoing support for residential properties across Ontario.

Siroski Door & Hardware Inc. supplies and installs commercial door systems, hardware, and safety-compliant solutions across Southwestern Ontario. Specializing in barrier-free access, fire doors, and custom fabrication, we serve industrial, commercial, and institutional clients. With AAADM-certified technicians and 30+ years of local expertise, we guarantee precision installations and emergency repairs.

Homecastle Windows & Doors Windows & Doors, established in 1989, specializes in manufacturing and installing energy-efficient vinyl and wood windows, patio doors, and entrance doors. Based in London, Ontario, the company serves homeowners seeking to enhance energy savings, curb appeal, and property value through customized solutions. Their Six Pack Guarantee ensures cost-effective, timely installations with minimal disruption and best-in-class customer service.

Southwest Doors is a family-owned commercial door and window solutions provider with over 35 years of experience. We specialize in custom fabrication, installation, and maintenance of commercial openings, serving clients across Southwestern Ontario. Our commitment to quality, safety, and timely project delivery has established us as a trusted partner for municipalities, schools, and contractors.

C.A.P.O.R. Renovations specializes in exterior home renovation services, offering expert installation of windows, doors, roofing, and vinyl siding in London, Ontario. Our mission is to enhance residential comfort, security, and energy efficiency through premium materials and skilled craftsmanship. We combine decades of experience with innovative solutions to deliver lasting value for homeowners.

P Mirror & Glass provides expert glass installation, repair, and glazing services for commercial and residential clients across Southwestern Ontario. With over 40 years of experience since 1984, we specialize in emergency repairs, custom fabrication, and energy-efficient solutions. Our team delivers reliable service backed by a one-hour emergency response guarantee.

Synergy Manufacturing provides custom window and door solutions for modern, heritage, and traditional projects. We specialize in precision-engineered aluminum, steel, wood, and hybrid systems, combining craftsmanship with advanced materials. Our collaborative approach ensures tailored results that meet the unique demands of residential, commercial, and luxury builds.

Window & Door Centre provides premium windows, doors, and installation services in London, Ontario. Specializing in energy-efficient solutions, we combine quality products with expert craftsmanship to enhance home aesthetics and functionality. Our family-owned business has served the community since 1995, prioritizing customer satisfaction through personalized service and a Lifetime Labour Warranty.