We’ve moved to our new location

2380 Unit 1B Royal Windsor Drive in Missisauga.

Call (905)-278-4900 or email matt@supremewindows.com for an appointment to come to our new showroom or submit a request and we are more than happy to come see you at your convenience. Sincerely, the Supreme Windows team.

Your Reliable Window and Door Installation Specialists

Supreme Windows Install: Windows Oakville, Windows Mississauga, Windows Milton, Windows Burlington. Patio doors, Front doors, Garden doors, French doors.

We’ve earned a great reputation with our quality service. For 40 years Supreme Windows has been dedicated to service excellence for replacement windows and doors in Mississauga, Oakville, Burlington, Milton, Toronto– made possible with our highly skilled installation teams and exceptional quality Energy Star products.

Since 1982 Supreme Windows has helped thousands of homeowners to install casement windows, double/single hung and slider windows, awning windows, basement windows, European tilt  & turn windows/doors. We’re here to help you select and install your new Energy Star windows and doors.

Our installations have achieved many awards over our 40 year history. We have a highly skilled and experienced team of installers who ensure that each project is completed to your satisfaction.

We curate innovative technology from proven and trusted suppliers. This enables us to provide the most up-to-date options for our clients. From Truth “Maxum” Heavy Duty hardware and world famous Cardinal insulated Low “E” Glass to Thermal Warm Edge spacers and using unique UPVC Premium Vinyl Extrusion processes, Supreme Windows ensures industry leading quality and beauty in our product selection.

Call us (905) 849-7800 or visit our showroom at 2380 Royal Windsor Drive Unit 1B Mississauga Let us assist you on your windows and doors project!

Get a free estimate on your next project!

Ask us about the Greener Homes Grant for up to $5000 in Government rebates.