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

Alan Graveline

Our local representative has been serving Cobourg and surrounding areas for many years!

1-844-738-7936

Our Local Clera Branch Serves Cobourg

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

Clera Windows + Doors

Cobourg, Bowmanville, Port Hope, Courtice and Northumberland County

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

Get a Quote

Best Windows And Doors - Clera Windows + Doors

Windows and Doors Cobourg, Bowmanville, Port Hope, Courtice and Northumberland County

Clera Windows + Doors always has a huge selection of products available in inventory and will custom style and design nearly any window or door for your home. Clera is a renowned manufacturer/installer of Energy Star products in Ontario and we have been selected as the top pick in our product category by HomeStars. If you want high efficiency windows to alleviate drafts in your home, our staff members can ascertain the most cost-effective way to exceed your expectations.

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?

Schedule a Free Consultation

Learn More

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.
‍
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 Cobourg

At Clera Windows + Doors in Cobourg, we have a huge variety of vinyl windows in many sizes and styles available for quick installation and all of our windows can be tailor made with multiple features. We make and sell Low-E Glass in all windows from casements and awnings to slider and tilt styles. The limited lifetime warranty that we offer with our products as well as our factory-trained, professional installation will make it tough for you to find a better company to work with.

Window & Door Assemblers - Clera Windows + Doors

Best Vinyl‍ End Vent Slider Windows - Clera Windows + Doors

Doors Cobourg

Whether you are looking for sliding glass doors for your backyard or security doors for your office, Clera will always be your best choice for quality in the Cobourg area. As we manufacture each door in house we can ensure that no defective products ever leave the factory floor. Our expert installers receive in depth training on all models and styles to ensure they provide the best possible installation every time.