Name: Windows and Doors
Brand: Clera Windows + Doors
Rating: 4.7 (2557 reviews)

Mike Morris

Our local representative has been serving Ajax and Durham areas for over 5 years!

1-844-738-7936

Our Local Clera Branch Serves Ajax and Durham Areas

As the manufacturers and installers of all our windows and doors, we stand behind our work.

Clera Windows + Doors

Ajax and Durham Areas

Toll Free: 1-844-738-7936
Phone: 1-844-738-7936
Fax: 905-738-0586

Sales: sales@clerawindows.com
Service: service@clerawindows.com

Clera Windows + Doors

Toll Free: 1-905-738-1870
Phone: 1-905-738-1870
Fax: 905-738-0586

Sales: sales@clerawindows.com
Service: service@clerawindows.com

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Best Windows And Doors - Clera Windows + Doors

Replacement Windows & Doors Ajax and Durham Areas

Our local Clera branch serves Ajax and Durham region. As the manufacturers and installers of all our windows and doors, we stand behind our work. We’re a family-run company with a solid reputation and a straightforward, honest approach. Call me today for a no-obligation free estimate.

clerawindows.com 1-844-738-7936

Customized Windows & Doors In Alliston - Clera Windows + Doors

Invest In Your Home Today - Clera Windows + Doors

Why Choose Clera

Why take a chance with other window or door companies that purchase their products from another supplier, only to resell them to you for a higher cost?

Clera Windows + Doors is one of Canada’s largest, oldest, most dependable and reputable vinyl window manufacturers in Ontario. We fully manage and take care of your door and window replacement project from start to finish, ensuring every stage of your window or door project meets our lofty standards of craftsmanship.

Why are we Ontario’s most awarded window and door company?

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Over 45 Years of Experience

With over 45 years of experience, we have earned a reputation as one of Canada's leading window and door manufacturers and installers.

Certified Technicians

You can trust our team of factory trained technicians to install your new windows perfectly—our A+ BBB rating is no accident!

Serving Ontario With over 40 Branches

We have over 40 branches across Ontario, which means that we're always close by when you need us.

Non-prorated Lifetime Warranty

Whenever anything goes wrong with your windows, we'll take care of it for you—no questions asked.

ENERGY STAR® Certified

Our hung windows meet Canada's strict energy-efficiency standards. A window from Clera is not only high-quality and durable, but also energy-efficient.

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.
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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.

Energy Star Approved

Modern, Contemporary Design with more glass, and less frame

Better home security

A quieter home; improved noise reduction from the outdoors

No maintenance: vinyl windows are virtually maintenance-free

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

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

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

100% pure virgin UPVC, providing protection from fading

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

Hear What Clera
Customers Have to Say

With some of the highest ratings for customer satisfaction, it's clear why Clera is Ontario's most awarded window company!

9.2/10

on HomeStars

16x Homestars Winner

“I have nothing but good things to say about the services I have received from Clera. About 4 years ago I purchased a new front door from Clera. The salesperson was knowledgeable and understood what I was looking for...

Tammy Yazbeck

Muskoka

"Excellent! We have loved our dealings with Clera. Rod was amazing in listening and understanding the look we were trying to achieve and then suggesting products with the appropriate features...

Eric Tang

Ottawa

“We have received so many compliments on our doors. Mike and his crew (Mike and Anthony) are very friendly and professional...

Maria Novielli

Ontario

"We changed practically all the windows of our home and a sliding door and can't be more happy with the result.."

Roxalía Muñoz

Concord

"Both our sales rep, Greg, and installation team were courteous, skilled and acted professionally during the whole process. Will use Clera again for any future projects..."

Greg Buczynski

Concord

Windows and Doors Ajax and Durham Areas

If you are looking for new windows or doors in the Ajax area, Clera Windows and Doors has what it takes to meet your needs. We manufacture a large assortment of windows and doors, and will custom build nearly any model or style for you. Clera has been recognized as a highly-rated supplier in Ontario by HomeStars and our expert staff members will find the best solution to meet your needs.

Window & Door Assemblers - Clera Windows + Doors

Best Vinyl‍ End Vent Slider Windows - Clera Windows + Doors

Windows Ajax and Durham Areas

At Clera Windows and Doors Ajax, we have an abundant choice of vinyl windows from double/single hungs to double/single slider tilts to awnings to casements and every one of our windows can be custom manufactured with a range of features. The limited lifetime warranty that we offer as well as our factory-trained, professional installation will make it difficult for you to find a better company to do business with.

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Doors Ajax and Durham Areas

From simple storm to high-security steel to French and sliding glass exterior doors, we want you to know that each one of Clera’s products are hand certified before they ever leave our factory floor. Thinking about buying a new front door? Don’t forget to check out our quality selection of hardware to go with it.