We design. We manufacture. We install. You save!

From fixed to sliding, awning and casement windows, bay and bow, to specialty custom windows, Clera Windows + Doors designs & manufactures your replacement windows and doors to your exact specifications.

We control every aspect of the process, from design through installation, ensuring your new replacement windows and doors will withstand the test of time. We’re so confident in our quality control and manufacturing that we offer the industry’s most comprehensive, non-prorated, transferable lifetime warranty on all vinyl window hardware, components, and glass!

Get Started

Install Now And Pay Later! Apply Now!

With some of the highest ratings for both energy efficiency & customer service, it’s clear why Clera Windows + Doors is Ontario’s most awarded window company!

For over 41 years, we’ve built our reputation through our quality replacement windows and doors, combined with our superior customer service. Today, we’re widely regarded as one of Canada’s premier manufacturers and installers of replacement vinyl windows and doors.

In that time, we’ve been awarded a handful of our industry’s top certifications, making us Ontario’s most awarded window company! We’ve been recognized as the #1 company in our industry by Top Choice Awards, HomeStars, Ontario Window Reviews, and even our own City of Vaughan as Company of the Year!

Despite our decorated history, we continue to build on our sterling customer service, and offer lifetime warranties on all of our windows, making them the last replacement windows you’ll ever need!

Replacing your windows and doors has never been this easy.

Choose your style

From modern to classic, from double hung to specialty shapes, we have a wide range of maintenance-free vinyl windows that are easy to clean. Add curb appeal to your home with Clera Windows + Doors!

Choose your glass

Each one of our vinyl windows is engineered with Envirosealed™ glass for maximum energy efficiency. Select options that provide optimal energy savings, security and privacy.

Choose your colour

Our standard colour palette works with most homes, but we have an in-house custom paint facility that can match any colour you want. Using the most advanced colour retention technology there is, our colours will not fade away.