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Find the Best Windows for Your Home with Clera

Clera is one of Canada’s leading manufacturers and installers of custom vinyl windows and doors. We'll find a window suited to your style and budget!

Types of Windows Offered by Clera

Whether you're looking for a traditional or innovative window design, Clera has a variety of styles to meet your preferences. Our product line includes casement and awning windows, fixed or picture windows, double and single hung windows, end vent sliders, double and single sliders, bay and bow windows, and specialty options.
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Reasons to Love
our Products

Clera Windows + Doors is a reputable vinyl window manufacturer in Ontario with a history of dependable and high-quality products. Our superior materials and cutting-edge technology ensure durability, energy efficiency, and style. We offer customizable styles and colors, as well as superior security features and noise reduction technology to provide the best possible product attributes for your home.

Our team manages every stage of your replacement project, from start to finish. We work closely with you to understand your specific needs and preferences, and use our extensive experience and knowledge to deliver a solution that exceeds your expectations. Trust Clera Windows + Doors for exceptional service and expertise for your home renovation needs.

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Energy Star Icon

Energy Star Approved

Effortless Operation Icon

Modern, Contemporary Design with more glass, and less frame

Better Home Security Icon

Better home security

Noise Reduction Icon

A quieter home; improved noise reduction from the outdoors

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No Maintenance Icon

No maintenance: vinyl windows are virtually maintenance-free

Pilkington Low-e Glass Technology Icon

Pilkington Low-E Glass Technology, engineered specifically for Canadian climates

Structural Integrity Icon

Wet-glazed frames and sashes on all windows; the ultimate in protection against water and wind infiltration, with added structural integrity

Improved Ventilation Icon

Triple-fin weatherstripping with built-in anti-microbial properties, meaning no mould and better air quality

Pure Virgin UPVC Icon

100% pure virgin UPVC, providing protection from fading

Exceptional Durability Icon

Stronger hardware and structural integrity thanks to integrating galvanized steel (allows for larger, more spectacular views!)

Designing your dream window

You’ll never have to choose between design or functionality with Clera's Clarity™️ Casement vinyl windows styles. With almost endless options at your fingertips, achieving the look you desire is easy.

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Step 01

Choose your Style

Choose Your Style Icon

Step 02

Choose your Colour

Vinyl Windows & Doors - Clera Windows + Doors

Step 03

Choose your Grill (Optional)

Choose Your Grill Icon

Step 04

Choose your Glass

Steve Mastrorillo, Founder - Clera Windows + Doors

Step 05

Dreams Come True

Stefano Mastrorillo, Director Of Strategy - Clera Windows + Doors

Free Factory Upgrades When You Replace Your Windows With Clera

Maximize Your Tax Savings

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Get over

$325 per Window

in FREE factory upgrades

With our wide range of ENERGY STAR products, you can be sure to save big on your next dream project!

Celebrating 45 Years - Clera Windows And Doors