Replacement Windows & Doors Toronto

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Replacement Windows & Doors Toronto

Rod Williamson, Our Local Representative - Clera Windows + Doors

Rod Williamson

Our local representative has been serving Toronto and surrounding areas for over 15 years!


Contact us for more information and about a free quote!

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Our Local Clera Branch Serves Toronto

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

Rod Williamson, Our Local Representative - Clera Windows + Doors

Rod Williamson

Our local representative has been serving Toronto and surrounding areas for over 15 years!


Contact us for more information and about a free quote!

Contact Us

Our Local Clera Branch Serves Toronto

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


Our Other Service Reps:
Marco Aballe

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!

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

Replacement Windows and Doors in Toronto

At Clera Windows + Doors, we’re all about – you guessed it – replacement windows and doors. Our goal at Clera is to shed beautiful light into your home through our high-quality, energy-efficient windows or doors. After 40+ years, we’re humbled to still be the leading choice for Toronto window replacement, installation, and repair services – and it’s all thanks to you.

Our company reputation in the Greater Toronto Area has been earned by providing exactly what the customer wants: customizable windows and doors to fit your diverse needs.

We never outsource any of the work, and in order to keep costs down, we control the entire production process from start to finish with an attention to detail other windows and doors companies cannot match.

We design. We manufacture. We install. You save. It doesn’t get much easier than that.

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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?

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!

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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!)

Meet The Team at Clera Windows + Doors Greater Toronto Area

Are you looking for Toronto windows and doors you can trust?

Let Clera Windows + Doors take care of the vision you have for your windows in Toronto, Ontario. We have numerous styles of replacement windows and doors to choose from. Our experience fitting many different window and door types including patio doors, entry doors, vinyl windows, and more means we can help steer you towards a top-notch outcome that will boost your home’s curb appeal and property value.

Starting with a free home consultation, a member of our installation team will expertly assist you in your journey towards choosing the best replacement windows and doors for your home. Just follow our four-step process below:

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


We are bound to have new windows to suit your Greater Toronto Area property. Browse through our showroom collection and choose between bay and bow windows, casement windows, high profile or fixed windows, awning windows, and more. Quality replacement windows from Clera will not only look good,…

but will also increase the value of your home. Our factory uses the latest technology and materials to maximize fit and ensure they are energy-efficient as part of our commitment to the environment and to saving you money.

It may surprise you to know that our company favours vinyl windows over wood. After many years in this business, vinyl continues to be our top choice of material because it is exceptionally durable, hard-wearing, and rarely needs repair. Our vinyl windows are available in a range of thicknesses from 5mm to 20mm, so there is plenty of flexibility for our installation team to accommodate your needs. Your replacement windows will be lightweight, ensuring they open and close with ease, and are easy to handle during your Toronto window replacement process.


When you use our Virtual Door Designer, in three simple steps you will be able to design your new exterior doors with your own choice of glass, grille and colour. Within a few minutes of using our design tool, you’ll notice that we have something for every house and its specific requirements

– all made in either stainless steel or fibreglass. From sliding and patio doors to storm doors, no window and door company in Toronto can match Clera’s range of styles or exceed our level of quality at such an unbeatable price.

If we don’t have the exact shade you are looking for, our team can personalize a custom colour scheme just for you. Our unique colour retention technology will ensure your new Clera replacement windows and doors stay as shiny and sparkling as the day they were installed. If you are focusing on insulation, both for your comfort and energy-related purposes, then you can rest assured that your new windows and doors have some of the highest energy-efficient R-values and are ENERGY STAR® certified, so the heat stays within your home.

Additionally, our replacement windows and doors offer an unparalleled level of security and will reduce external noise, guaranteeing your house is a warm and safe environment.

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


Clera employs its own in-house team of professional and knowledgeable window and door installation team that consistently works to exceed industry standards and those laid down by the Canadian Standards Association (CSA).

Take a look around the Toronto area and you will see plenty of examples of our workmanship – along with happy, smiling Clera customers. Our installers know great customer service. They arrive at your house on time and ensure a safe and clean job site throughout the entire windows and doors installation process. Then, once your doors are installed and windows replaced, they follow up with a quick phone call to ensure the job is completed to your liking.

Clera Windows + Doors keeps its founding family values at the heart of our entire service operation, from design through to the final fitting in your house or business. Clera’s replacement windows and doors can benefit your lifestyle on every level and they won’t break the bank either. Every unit is individually inspected before it leaves our Ontario factory and comes with an Energy Star Certification so you know you are doing your bit to save the planet.

Why Choose Clera for Toronto Window Replacement

Clera is like a family that shares an ethos of hard work and customer service. From the moment you first walk through our door, our team is determined to find you the window and door design and style that fits your needs.

The best part is that we offer each customer a free quote without any obligation or pressure to buy. We are happy for you to compare our price with other window and door companies because we’re confident you won’t find better quality in the Greater Toronto Area.

Toronto loves Clera’s Replacement Windows and Doors because:

  • We have a stellar reputation as we’ve been in business for over 40 years;
  • We involve you in the process;
  • We offer a lifetime warranty on our windows and doors;
  • We have a team of expert installers who get the job done right the first time.

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

Proudly Serving Toronto For Over 40 Years

Toronto is a patchwork of newer modern homes, stately old houses and towering apartment and office buildings. It’s a melting pot city replete with shops, cafés, restaurants, and theatres – it’s no wonder Toronto homeowners take pride in their residences!

Our goal is to service home and business owners in the Toronto area with the most beautiful new windows and doors. When you order a Clera manufactured product, you’ll have the peace of mind knowing you’re getting the best in Ontario. It’s no secret why we’re among Canada’s 50 best privately managed companies.

Give us a call today for your free consultation to start the process of fitting your house with new windows and doors!

Professional Installers - Clera Windows + Doors
Meet The Team - Clera Windows + Doors
Best Options For Your Replacement Doors And Windows - Clera Windows + Doors