Supreme Windows

Supreme Windows Delighting homeowners for 40 years.

Our Window, entry door & patio door installations will beautify your property while improving energy efficiency, protecting against forced entry & the harmful effects of the sun’s UV rays.

For 44 years, Supreme Windows has been proudly locally owned and operated, providing homeowners with high-quality window...
05/07/2026

For 44 years, Supreme Windows has been proudly locally owned and operated, providing homeowners with high-quality windows and doors from trusted Canadian factory-direct suppliers. Backed by a dedicated team and highly skilled, long-tenured installers, Supreme Windows has built a reputation for craftsmanship, reliability, and exceptional customer service.

More than 80% of our projects come from repeat and referred customers — a reflection of the trust we’ve earned in the community. With a 4.9-star rating on both Google Reviews and HomeStars, we remain committed to delivering excellence on every project.

Thinking about upgrading your home? Contact Supreme Windows today for a free estimate.

Supreme’s Commercial team installing glass inserts helping clients protect and improve the value of commercial facilitie...
05/07/2026

Supreme’s Commercial team installing glass inserts helping clients protect and improve the value of commercial facilities.

The Supreme Windows team has been busy installing high quality and energy efficient windows over the fall season.
12/20/2025

The Supreme Windows team has been busy installing high quality and energy efficient windows over the fall season.

The skilled installers at Supreme exceeding expectations every day! Left image is the rendering from the client quote. O...
10/28/2025

The skilled installers at Supreme exceeding expectations every day! Left image is the rendering from the client quote. On the right the actual finished product.
Setting clear expectations and overdelivering for 43 years in our community.

✨ Why Homeowners Trust Supreme Windows ✨ Missisauga based serving the GTAWhen it comes to upgrading your home with new w...
09/04/2025

✨ Why Homeowners Trust Supreme Windows ✨ Missisauga based serving the GTA

When it comes to upgrading your home with new windows and doors, trust matters. At Supreme Windows, we’ve built our reputation on delivering results that homeowners feel good about for years to come.

🏡 What sets us apart:
• Decades of community reputation built on referrals & repeat clients
• Experienced, long-tenured installers who get it right the first time
• Durable, energy-efficient products built to last
• Strong partnerships with trusted Canadian manufacturers for windows, entry doors & patio doors
• Local, family-oriented service — without the gimmicks
• A professional, values-driven approach rooted in trust & respect

👉 Ready to start your project? Let’s talk about how we can help bring comfort, beauty, and efficiency to your home.

Enhance the look, energy efficiency and security of your entry door. Free estimates, expert installers & excellent warra...
05/04/2025

Enhance the look, energy efficiency and security of your entry door. Free estimates, expert installers & excellent warranties for over 43 years.

Energy savings & delivering high impact on curb appeal. Supreme Windows locally owned provider of Canadian made windows...
03/13/2025

Energy savings & delivering high impact on curb appeal. Supreme Windows locally owned provider of Canadian made windows and doors for 43 years.

Energy efficient Canadian made windows in all the most popular styles!
02/24/2025

Energy efficient Canadian made windows in all the most popular styles!

Canadian made Entry doors, Patio doors, Storm doors and Windows. Beautiful, Energy efficient and provided and installed...
02/18/2025

Canadian made Entry doors, Patio doors, Storm doors and Windows. Beautiful, Energy efficient and provided and installed by our long tenured team of experts.
Locally owned and operated since 1982.
As always, free consultation and estimates.

We provide Made in Canada Storm doors and Porch enclosures to improve comfort, energy efficiency beauty and improve spac...
02/12/2025

We provide Made in Canada Storm doors and Porch enclosures to improve comfort, energy efficiency beauty and improve space utilization. Contact us today for a free estimate!

Address

Unit # 1B-2380 Royal Windsor Drive
Mississauga, ON
L5J1K7

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm
Saturday 9am - 12am

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