Certified Windows & Doors-The Industry Leader By Reputation!!

Certified Windows & Doors

Vinyl Replacement Window Experts

Certified – Windows & Doors Done Right!

At Certified Windows & Doors, we prescribe to your wants and needs, not our own. It’s with this knowledge that we’ve designed your window and door buying experience. We know you truly desire four things. First, you want to know you are working with a great company. Second, be so informed, you know you’re getting a great product. Third, along with your great product, you want a great warranty. And lastly, but certainly not least, you want to know you’re getting a fair price for your purchase. We understand that if we can provide these four things, we’re providing you with maximum value!

For almost 25 years, we’ve offered the latest advances in Energy Star products along with expert installation.  We’ve been family owned and operated since our inception in 1993, and we’ve been a community based referral reliant home improvement company for all of those years.  You can clerify our claims yourself by reviewing our authentic client  reviews and our impeccable BBB A+ rating, making Certified Windows and Doors the home owners choice in Windsor, Lasalle, Amherstburg, Tecumseh, Lakeshore, Essex, Harrow, Kingsville, Leamington, Wheatley, Tilbury, Chatham, Sarnia, and London, Ontario.

Our staff is patiently and wisely chosen. They are considered to be second to none by the industries experts. Each member has a combination of extensive industry knowledge, skilled lifetime experience, and, is chosen specifically to keep attuned to your goals, not their own . Our products are attested to by our unique and exclusive relationship with Window City, Canada’s largest and most popular window manufacturer. We go so far as to warrant accidentally broken glass and ripped screens for life.  It doesn’t take long to find out that Certified Windows & Doors truly cares about your Window & Door project.

So if you’re searching for a great company, a great product with the industries best warranty, all backed by a fair price, look no further and book your free assessment today with a professional from Certified Windows and Doors..

To combine quality products with expert installation, then add a friendly long term experience to exceed our customers expectations

Our Certified Energy Star Windows are Energy Start Certified, and tested for AAMA, WDMA/CSA. Our solar solutions can provide the safety and performance that is right for your home.


Heritage Collection

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.

Heritage Plus

Available in Awning, Casement, Fixed, Hung and Slider Windows. High-Density Expanded Polystyrene Foam is inserted into the profile cavities of the Heritage Plus.

Heritage Maximum

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.

Classic Collection

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.


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.

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