Classic Collection

Our Classic Collection windows have a timeless design and are highly functional. The sliding window is the most popular product within our Classic Collection ...
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Products from this collection

We have a range of options to suit your needs in our classic collection. Each is designed to achieve our exceptional standards and improve the performance of your home. Take a look…

Premium features


100% fusion-welded frame and sash corners for extreme durability


Multi-chamber vinyl frame to maximize energy efficiency and structural rigidity


Premium weather stripping enhances air tightness and weatherproofing


Integrated Brickmold option with our Experience Series

Flange Options

Different home requirements may call for different flange options. Thankfully, we can meet those needs and help you make your decision.

Customize your windows

You won’t be getting generic, off-the-shelf windows. Centra manufactures and installs our own products. That means easy customization to achieve your desired style.

Find the perfect collection for your home

We have customizable collections to suit all tastes! Everyone has a preference, and searching for inspiration is always a good first step. The rest will follow, especially with the Window Geeks on your side. Have a look and see what catches your eye…

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Modern Collection

Sleek and elegant. Our Modern Collection delivers on energy-efficiency and curb appeal, while the balanced sash and flat-faced trim brings symmetry to your home. These stunning 21st century windows are a great fit for contemporary architecture. The Modern Collection is available in casement, awning, bay, bow, and picture window configurations that are custom made for your home.

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Inspiration from this collection

There’s no better way to understand what difference our windows will make to your home than by seeing them in action. Dive into our inspiration gallery to get an idea of the amazing work our Window Geeks have been doing!

More than you’ll ever need to know about window performance

As Einstein said: “If you can’t explain it simply, you don’t understand it well enough.” Thankfully the Window Geeks don’t have that problem!

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Energy Efficiency

Home Comfort

Sound Reduction

Temperature Control

Energy Efficiency

1. Double glazed minimum

2. Double or triple weather stripping

3. LoE2, LoE3, or LoES4 coating to repel or trap heat

4. Extra frame chambers to prevent drafts

5. Manufactured locally!

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Are you a homeowner or professional?

Connect with our team of Window Geeks to discuss your home renovation needs or upcoming new-build project. Our Experts look forward to hearing from you!