Omega Windows & Doors Manufacturing is a family-owned, Scarborough-based, Canadian manufacturer and installer of windows and doors serving Toronto, GTA, Durham Region and York Region since 1989. We design, manufacture and install energy-efficient replacement and new-build vinyl windows, including casement, awning, fixed picture, bay, bow, double slider, single slider, double hung, single hung, narrow frame and triple-pane windows, plus sliding patio doors, steel entry doors, fiberglass entry doors, and trim and hardware options. Our factory-trained in-house team handles full-frame and retrofit installations with virgin vinyl construction, factory-direct service, a lifetime warranty on vinyl products and 20-year glass and hardware coverage.