Handcrafted to withstand our
Atlantic Canadian climate.

Protected by our
Exclusive Lifetime Warranty

Extreme manufactures Concerto High Energy-Efficient Window Systems, tested at -30°C, for comfort, security and a greener community.

Discover the Extreme Difference

Whether you are building or renovating, selecting quality windows and doors for your home is a very important decision. Choosing long-lasting, low-maintenance Extreme windows and doors, is a decision you will be happy with for a lifetime.

With our region’s rugged climate and energy-conscious consumers, we specialize in making only high-quality windows and doors for Atlantic Canada and back it up with an industry leading warranty program.

Windows

We specialize in making only high-quality windows and doors for Atlantic Canada and back it up with an industry leading warranty program.

Entrance Systems

A wide variety of styles and sizes and can be combined with Sidelites, Transoms, and other products to make beautiful feature installations.

Entrance Systems Quick Ship

Our Quick Ship offering is specifically designed to deliver distinctive entrance systems that compliment any home and personal taste without all the extended lead times. It's never been easier to customize your design vision.

Concerto

Concerto High Energy-Efficient Window Systems, tested at -30°C, for comfort, security and a greener community.

Discover the Extreme Difference

Whether you are building or renovating, selecting quality windows and doors for your home is a very important decision. Choosing long-lasting, low-maintenance Extreme windows and doors, is a decision you will be happy with for a lifetime.

With our region’s rugged climate and energy-conscious consumers, we specialize in making only high-quality windows and doors for Atlantic Canada and back it up with an industry leading warranty program.

Our Promise

At Extreme Window and Entrance Systems, we believe that your windows, like your home, should be a reflection of your life. It’s why we build them here in Atlantic Canada, with our challenging climate in mind. It’s why our team of experienced craftsmen use the best materials to build them to the highest of standards, Energy Star© certified to ensure long-lasting comfort and environmentally sound insulating power. And it’s why we offer the widest range of customization choices and designs, to ensure that your windows and entrance systems fit your home perfectly, inside and out.

Our Inspiration

Standing at the window and watching your children build a snowman. Enjoying the rush of fresh, fragrant air as you open the window after a summer sun shower. Savouring the feeling of relief and anticipation as you look out and see your family pulling in the driveway. Our home is where we spend our most precious moments – our sanctuary, our inspiration. And while we often enjoy the enveloping embrace of friends and family, our home also offers the unique opportunity to bring the outdoors in, and to enjoy the warmth and beauty of nature from our own vantage point.

10 Reasons to Choose Us First

Our warranty is one of the best in the industry.

Our products meet or exceed industry standards and certifications.

We use leading technologies to produce top quality products.

We offer the widest range of customization choices and design.

Our products require minimum maintenance.

We are a strong service oriented team of professionals.

We pride ourselves in understanding the requirements to satisfy the end user.

Professional builders trust our products to get the job done right.

We build our products to meet your climate requirements, tested and true.

They are proudly built in Atlantic Canada.

Where to Find Us

All our products are sold through our exclusive dealers.

Find a Dealer

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