Replacement Windows & Doors, Chatham | Clera Windows & Doors

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Replacement Windows & Doors, Chatham | Clera Windows & Doors

Harry Cornejo, Service Representatives - Clera Windows & Doors

Harry Cornejo

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


Contact us for more information and about a free quote!

Contact Us

Our Local Clera Branch Serves Chatham

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

Harry Cornejo, Service Representatives - Clera Windows & Doors

Harry Cornejo

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


Contact us for more information and about a free quote!

Contact Us

Our Local Clera Branch Serves Chatham

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

Clera Windows + Doors


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


Clera Windows + Doors

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


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Best Windows And Doors - Clera Windows + Doors

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!

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Limited Time Offer To Upgrade Your Home - Clera Windows + Doors

The Best Windows & Doors in Chatham

Since 1978, Clera Windows & Doors has been taking care of the furnishing needs of clients across Ontario. We are manufacturers of customized doors and windows, and have been in this industry for over four decades. Manufacturing high quality furniture while making good on our promise of with optimum utilization of resources is our forte.

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We maintain a customer-first approach while designing and manufacturing every single product, in order to ensure that our customers are served in the best possible way. Since we have an in-house production facility where everything—from tiny components to the largest panels—is manufactured, the cost of outsourcing and hiring third parties is zero. This significantly reduces the cost of the overall products, thus making them even more affordable for our prized customers.

At Clera, our aim is to provide our customers with the highest quality doors and windows in Chatham, as well as in other places in the province of Ontario. Our in-house facility ensures that every product is made with the highest grade of material, and that every item we produce is able to satisfy the most stringent quality checks.

Customized Windows & Doors In Alliston - Clera Windows + Doors
Invest In Your Home Today - Clera Windows + Doors

As a sign of our confidence in our manufacturing processes and the quality of the final products, we offer an unlimited lifetime warranty to any customer who comes on board with us. This warranty is transferable, which ensures that the customers can make as much or as little use of it as they wish. The deal covers all of the vinyl window hardware, in addition to the glass material and the small components. That’s why under our business model, you’ll never have to spend a cent for a new part, even if the original does fail.

Our top class production facility ensures that we make products tailored specifically for our customers. We have been satisfying the needs of our clients in Chatham for many years, which has given us the status of an iconic company in the furniture segment. We look forward to serving clients across Ontario, and are seriously looking forward to spreading our presence throughout other parts of Canada.

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?

The Clera Care Guarantee Logo

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.

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Certified Technicians

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

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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 Icon

Non-prorated Lifetime Warranty

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

Energy Star Icon

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.

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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!)

Chatham’s Leading Replacement Windows & Doors

At Clera, quality and design are our major areas of expertise. We strive to design products that will meet and even exceed the expectations of our clients. We have a highly talented designer team on board with us, which ensures that there are plenty of exclusive designs for the customers to choose from. To that end, we even have a visual configuration tool available on our website, through which our customers can have a first-hand experience of the replacement doors and windows available for purchase in Chatham.

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Window & Door Assemblers - Clera Windows + Doors
Best Vinyl‍ End Vent Slider Windows  - Clera Windows + Doors

There is a range of design options available with regards to the grilles, glass panels, and shades, so we feel comfortable guaranteeing that every customer will be able to find something to suit his taste.

We also offer affordable options for replacement windows and doors in Chatham. The options offered are ideal for replacing your old, worn-out doors and windows at a reasonable price. Our highly qualified team of technicians will be on hand to make sure that the old parts are removed and replaced with the new ones in the safest, most efficient manner possible.

We don’t cause any damage to the site, never failing to leave it every bit as good as we found it. Since we do not hire third parties for the servicing and installation work, you can be certain of an exceptional service experience. The special bond we have our products helps us to make sure that they’re not bruised or battered in any way.

Vinyl Windows & Doors - Clera Windows + Doors
Bay & Bow Windows - Clera Windows + Doors

Vinyl Windows & Doors

Unlike other manufacturers, we do not use expensive materials for manufacturing our products. Instead, we opt for an alternative which is cheap and durable at the same time: vinyl. As our first choice when it comes to making high quality doors and windows at affordable prices, vinyl comes with a long list of excellent features.

First of all, it is very durable. Compare its shelf life with any other furniture material and you’ll find a favorable margin of not months, but years. Secondly, it comes at a low cost. Since it’s a synthetic version of plastic, it doesn’t cost us a fortune to source it.

We have agreements with trusted suppliers who provide with best quality vinyl materials at competitive prices. This way, we are able to ensure that the final product is absolutely perfect and is ready to ship to the world at an industry-leading price.

Before any doors leave our factory floor, they’re subject to rigorous testing to ensure that they stand up to our exacting standards. This means that by the time our products reach your home, they are guaranteed to work as intended, look great, and last for many years to come. Whether you need sliding doors, storm doors, or security doors for your business, Clera Windows and Doors Chatham is the place to find them!

Extensive Range Of Vinyl Windows - Clera Windows + Doors
Serving Aylmer For Over 40 Years - Clera Windows + Doors

Our vinyl doors and windows comes in a variety of styles and finishes. Since every client has their own preference, we ensure that we always have a lot of options on offer. Our customized vinyl doors and windows come in exciting, modish colours, like Champagne Gold, Jet Black, Ocean Blue, Mars Red, and Charcoal Grey. We have such a wide range of colors on offer, in fact, that customers are able to pick a shade they like in order to reflect their own personality and design perspective.

No matter what kind of windows you are looking for, our expert staff will guide you through the process of selecting, customizing, and installing your new windows. We never fail to impress our clients with our speedy, efficient, and expert installations, as well as the lifetime warranty that comes with of our windows. Rated as HomeStars’ top pick in the category, we are dedicated to finding the perfect window solution for each and every one of our customers.

Serving Chatham for Over 40 Years

For over 40 years, Clera Windows & Doors has been meeting consumer needs of windows and doors in Chatham. We specialize in providing highly customizable windows and doors, and understand the fact that individual tastes vary just as much as individual requirements do. Therefore, we provide extensive personalization options to our clients to ensure that they purchase something that they’ll be proud of for many years to come.

Besides manufacturing furniture, we are also active service providers, with more than 40 servicing outlets across Ontario. We provide delivery and installation services anywhere in the province, and always put our customers’ interest first, which is why we are the most loved and trusted furniture manufacturers in Canada

Professional Installers - Clera Windows + Doors
Meet The Team - Clera Windows + Doors

Meet the Team at Clera Windows & Doors, Chatham

At Clera, our mission is to provide A-grade windows and doors in Chatham. We take great care in designing and manufacturing the products, and ensure that they’re able to meet the very highest standards of quality. We have a dedicated team of experts who devote 100% of their time and energy to ensuring that everything works according to the high standards set by us—but it doesn’t end there.

We also take great care of after-sale services to provide top-class customer satisfaction. This all-inclusive philosophy stems from the respect we have for our human resources: we don’t treat them as anything less than a closely-knit family, and in return they provide us with the best craftsmanship Ontario has to offer. We understand that our clients have great expectations from us, and as such take extra care in providing them with the best solutions for replacement windows in Chatham.

We’re proud to be family-run company, whose solid reputation for quality & service and straightforward, honest approach has won us the adoration of more than 250,000 satisfied households. Call us today for a non-obligatory, free estimate of doors, windows, and replacement windows in Chatham.

Best Options For Your Replacement Doors And Windows - Clera Windows + Doors