- Locally owned, we manufacture and install with close attention to details - Installers have over 25 years experience - Both owners are involved in production and installation - We use 100% Upvc Rehau Vinyl and all Canadian made parts - Exclusive Lifetime Warranty Bringing sunshine into your home since 2006, Southfield Window & Doors serves homeowners in Elmira and surrounding areas. We manufacture and install vinyl windows and doors that are as beautiful as they are efficient. Count on us for our competitive "buy direct" prices – visit our website to view our current inventory specials. more... See more text