The Best Doors & Windows in Dundas

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The Best Doors & Windows in Dundas

Greg Gainham, Service Representative - Clera Windows + Doors

Greg Gainham

Our local representative who has been serving Dundas and surrounding areas for over 5 years!


Contact us for more information and about a free quote!

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Our Local Clera Branch Serves Dundas

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

Greg Gainham, Service Representative - Clera Windows + Doors

Greg Gainham

Our local representative who has been serving Dundas and surrounding areas for over 5 years!


Contact us for more information and about a free quote!

Contact Us

Our Local Clera Branch Serves Dundas

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

Clera Windows + Doors

Oakville, Waterdown, Carlisle and Surrounding Areas

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

Meet The Team At Clera Windows + Doors Burlington, Ancaster, Dundas, & Flamborough

Whether you are looking for a new fancy outlook or something more traditional, Clera Windows & Doors will exceed all your expectations and will work with you to ensure a finished product that caters to your needs.

Dundas, Ontario is a community in the city of Hamilton. With a population of more than 24,000, Dundas has a thriving arts community. And many movies are filmed in the area as a result of the town’s distinctive 19th century architecture. Homeowners across Dundas are now seeking out ways to boost the value of their family properties, and Clera Windows and Doors is offering a complete selection of services.

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Clera has been the area’s premier manufacturer and expert installers of windows and doors for the past four decades. Founded in 1978, Clera Doors & Windows is a family-owned and operated company working under the core principles of integrity, professionalism, and superior service. At Clera, we offer a wide range of products which include from vinyl, aluminium, wood, steel and many more. We assure our customers that our products meet the strictest quality control requisites and can be effectively used for the residential community of Dundas, Ontario.

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

We are committed to providing the highest level of excellence and quality service to our clients, regardless of project size and complexity. As an authorized dealer and pioneer of custom windows in Dundas, Clera works with the industry’s top suppliers to manufacture and design our clients with a wide array of products.

Being environmentally conscious is important to us. At Clera, we manufacture and design products that meet the strict technical requirements of ENERGY STAR®, resulting in big energy savings, and a small ecological footprint.

Our product line contains end vent slider, awning windows, casement windows, bay & bow, low profile fixed, high profile fixed prestige door, fiberglass door, storm door, and much more.

Video Transcript:

Hi. My name is John Gainham. I’m proud to represent Clera Windows + Doors in Burlington, Hamilton, and Waterdown.

I’ve been with the company for 20 years and I’m proud have my big brother and my son also in the business with me. Clera Windows + Doors is a family business and has been for the last 35 years. It’s just a great place to work and it’s fantastic to be associated with such a nice crowd.

When you reach out to Clera Windows + Doors, you can expect a prompt, free estimate at your door.  We’ll provide you with a price and take care of your project from start to finish. At Clera Windows + Doors, we manufacture, we install, and we sell all of our products directly to the homeowner.

We appreciate your business and have a great day.

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.

Certified Technicians Icon

Certified Technicians

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

Location Icon

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!)

Best Vinyl‍ End Vent Slider Windows  - Clera Windows + Doors

Dundas’s Leading Replacement Windows and Doors Group

Clera is serving the residents of Dundas for replacement PVC windows and doors for the last few decades. With our commitment and professional integrity, we have been awarded different industry’s top certifications, making us Ontario’s most awarded window company!

We have also been recognized as the #1 company in our industry by Top Choice Awards, HomeStars, Ontario Window Reviews, and the City of Vaughan as Company of the Year!

We are experts in the business and can handle simple to complex installations fairly easy. Our technicians can accomplish small to big projects ranging from single flat to entire apartment spaces. Our mission is to offer the best and compatible level of service and attention to detail on any project regardless of its size.

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

At Clera, we are fully equipped with the latest tools and cutting edge technology to provide replacement, and installment of all forms of windows. We carry effective tools for the project, making sure the job is done right for the very first time. Our professionalism and honesty have led us to win a reputation of over 250,000 clients all over Canada. If you wish to know more about our services, please visit our site. You can also talk to our consultant for project details including price estimation, material selection, and much more, as well as more precise information on how we can help you out with replacement doors in Dundas.

With decades of experience serving homeowners across Canada, Clera Windows and Doors is now a market leader. Our expertise has helped the company win awards from across the industry and we’re now a HomeStars Top Choice award winner in the home renovation marketplace. Because of our experience within the industry, we’re able to help Dundas homeowners complete their renovation projects with seamless precision. We can bring home design visions to stunning reality and help drive the value of properties through our work.

Vinyl Windows & Doors

At Clera Doors & Windows, we design and manufacture vinyl windows and doors in Dundas that are easy to clean, energy-efficient, and virtually maintenance-free. We will efficiently handle the task of installing your new windows for you. Our window installers have the necessary experience and equipment to complete the installation with a quick turnaround without any hassle or spending extra money.

Our dedicated and experienced team of certified installers and in-house project managers will guide you from initial design to on-installation. We take pride in the fact that we take a proactive approach in manufacturing eco-friendly products that leave no carbon footprint. When choosing Clera, we provide you with a lifetime warranty on all our products making sure you won’t have to pay for any part again.

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

Dundas homeowners entrust their needs to Clera Windows and Doors because we offer one of the most comprehensive warranties within the marketplace. Our warranties cover all hardware, components, and glass to provide clients the complete protection they need. Clients will be given their own factory warranty immediately after the completion of our installation work to safeguard their investment and showcase our commitment to quality workmanship.

At Clera Windows and Doors, we recognize the importance installation plays when choosing a service provider. That’s why we train our team members on a regular basis to provide the highest quality of installation services available within the industry. Our team members have decades of experience in the industry and can help answer any questions homeowners might have on their work. They’re also trained in working safely to ensure that all installation work is completed effectively and that the home remains in optimal condition when we leave the property.

Serving Dundas for Over 40 Years

Clera has been serving Dundas and its adjoining areas for the past 40 years. We know it takes commitment, integrity, and professionalism to deliver the highest-quality service customers expect in new as well as in replacement windows and doors in Dundas. We have a wide range of products of different styles, colors, sizes, and materials so you can choose according to your needs and budget.

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

Our products can fit any home, region, or climate. All our products are time tested, built to last, and are backed by an on-going commitment to the customers who buy them. Quality and dedication to excellence have been the reason for our industry success. We control every aspect of the process, be it a design, manufacturing, or installment; we make sure you get the best out of it. We are confident in our quality control and manufacturing process and commit to offering the industry’s most comprehensive, high-quality, and affordable solution to your doors and windows issues in Dundas.

Clera Windows and Doors is also a standout leader for a full range of quality window styles. Dundas homeowners can select single hung, double hung, casement, awning, high profile fixed windows and many others when they review our company catalogue. This ensures that each Dundas homeowner finds the right option for their living space.

Meet the Team at Clera Windows & Doors in Dundas

We have fully licensed and certified technicians who are well-versed with the various types of window designs, manufacturing, and installment process. They can handle each project with the utmost care. Our experienced team strives to provide detailed product and design knowledge, making sure you would choose the right product for your home that would increase its beauty and make it eco-friendly. Our expert window and door installers in Dundas make a habit of professionally executing the installation to your complete satisfaction.

Clera Windows and Doors is now the recognized leader for outstanding window and door installation work in Dundas. To learn more about our company and the complete range of products and services we offer, speak to our expert team today!

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