Certified Windows & Doors
Vinyl Replacement Window Experts
Certified – Windows & Doors Done Right!
Energy Star products with expert installation since 1993. Check our real online reviews and our impeccable BBB A+ rating making Certified Windows and Doors the industry leader for Windsor, Lasalle, Amherstburg, Tecumseh, Lakeshore, Essex, Harrow, Kingsville, Leamington, Wheatley, Tilbury, Chatham, Sarnia, and London, Ontario.
We consider our staff to be second to none. Along with their extensive knowledge, precision installation and a lifetime warranty on products, we known as the window and door industry leaders in southwestern Ontario. We even warranty accidentally broken glass and ripped screens for life. It doesn’t take long to find out Certified Windows & Doors truly cares about your Window & Door project.
Our Replacement Vinyl Window and Door Non-Pro-Rated Lifetime Warranty is number one. You have peace of mind when purchasing new replacement windows and exterior door products. We even replace accidentally broken glass and ripped screens for life.
EXPLORE OUR MOST POPULAR COLLECTIONS
Available in Awning, Casement, Fixed, Hung and Slider Windows. This window has the classic contours of a handcrafted window. Along with the performance and durability of vinyl.
Available in Awning, Casement, Fixed, Hung and Slider Windows. High-Density Expanded Polystyrene Foam is inserted into the profile cavities of the Heritage Plus.
Available in Awning, Casement, Fixed, Hung and Slider Windows. The slimmest profile in the industry today. It has 40% less frame obstruction creating a larger viewing area in any opening.
Available in Awning, Casement, Fixed, Hung and Slider Windows. Our 3 1/4″ fusion-welded frame and sash offer superior strength. Standard is 3/4″ double strength glass, comes with the super spacer.
TALK WITH ONE OF OUR EXPERTS
4 Signs that tell you your windows and doors need to be replaced
– When you experience a drafty feeling through your windows
– When you see moisture stains
– When you see black mold
-When your windows are hard to open or close.