The Best Windows and Doors in Leslieville

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.

The Best Windows and Doors in Leslieville

Rod Williamson, Service Representative - Clera Windows + Doors

Rod Williamson

Our local team has been serving Leslieville and the GTA for over 45 years!


Contact us for more information and about a free quote!

Contact Us

Our Local Clera Branch Serves Leslieville

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

Rod Williamson, Service Representative - Clera Windows + Doors

Rod Williamson

Our local team has been serving Leslieville and the GTA for over 45 years!


Contact us for more information and about a free quote!

Contact Us

Our Local Clera Branch Serves Leslieville

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

Clera Windows + Doors

Leslieville 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


Get a Quote
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

The Best Windows and Doors in Leslieville

Clera Doors and Windows is proud to improve the beauty, comfort, and energy efficiency of homes and commercial properties in the community of Leslieville, Ontario by providing quality door and window products.

We are an industry leader with nearly 40 years of experience in designing, fabricating, and installing new and replacement doors and windows in Leslieville’s residential and commercial buildings. In addition to our selection of window and door products, we provide custom solutions that allow you to add beauty to industrial buildings that are being revamped into condominiums.

Contact Us

Before the turn of the century, Leslieville residents were mainly those working in the factories. But with the drastic reduction of manufacturing, the air pollution and fumes that covered the neighbourhood have disappeared, making the area attractive to the creative and middle classes. The neighbourhood gentrified quickly between 2000 and 2010, with many industrial buildings being revamped and new shops, restaurants, and cafes popping up.

Clera Windows and Doors is privileged to have been a part of this unique transformation, designing, fabricating, and installing state-of-the-art, energy efficient doors and windows for homes and offices in Leslieville. We are an industry leader with more than 40 years of experience in planning, manufacturing, and putting in new and substitution doors and windows in Leslieville.

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!

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.

Contact Us
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

View More Icon

View More

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!)

Leslieville’s Leading Replacement Windows and Doors

Clera Doors and Windows company is proud to improve the excellence, safety, and energy efficiency of homes and business properties in the district of Leslieville.
We have an extensive range of vinyl windows that includes single- and double-hung tilt, single- and double-slider tilt, awning windows, and casement windows.

Our high performance vinyl windows feature 100 percent pure virgin uPVC to protect them from fading. This means that you can enjoy reduced energy costs, improved curb appeal, better noise reduction, superior insulation, and better security with zero maintenance costs for the life of your windows.

All our products are EnergyStar certified, which means that they will help to reduce your energy bill and your carbon footprint, as well. Beyond that, you expect your door to provide security and sufficient resistance against harsh weather and intruders, and our quality doors are up for the challenge.

We have a range of solid fiberglass section doors, with many different styles to suit your taste. For solid porch entryways, we use tempered or overlaid glass, the two of which offer better obstruction and insurance from broken glass pieces and UV infiltration.

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

Vinyl Windows and Doors

Vinyl windows are intended for toughness and the most extreme conditions. At Clera Windows and Doors, we produce vinyl windows in Leslieville from our plant in Ontario for private and business customers. We have numerous styles to choose from, including single and twofold hung, single and twofold slider and casement windows. Vinyl windows are recommended by home architects for their customary yet contemporary excellence and their many advantages. The majority of our Ontario-made vinyl windows are handcrafted to offer you a choice in styles.

We have a range of sturdy fibreglass entry doors, as well as other collections to suit your taste. For strong patio doors, we install tempered or laminated glass, both of which offer superior resistance to impacts and protection from broken glass pieces and UV penetration.
Our Vinyl windows and doors are energy efficient. They keep the warmth throughout the winter months and the heat of the sun out in the summer. That by itself will decrease your warming and cooling bills. Lower energy bills will help compensate for the initial cost you put into purchasing the new vinyl windows in Leslieville.

Vinyl windows are nearly 100 percent scratch proof. You don’t need to paint, scratch or stain them since they are incredibly long lasting. They can also effectively be cleaned with cleanser and water. Additionally, vinyl is the most affordable kind of window materials and it is profoundly sturdy and won’t rust, decay, or strip. Best in class assembling has carried noteworthy upgrades to the present vinyl windows.

What’s more, vinyl windows have style, size and shading alternatives. These windows can likewise be customized in various ways. Hues and style alternatives are limitless so you can find a style to suit your requirements.

If you are searching for low upkeep, energy efficient, naturally inviting, sturdy windows, look no further than vinyl windows!

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

Serving Leslieville For Over 40 Years

We are an industry leader with more than 40 years of experience in planning, creating, and putting in new and substitution doors and windows in private and business structures.
Clera is a well-reputed name in the industry where we offer a complete range of products and services to manufacture and install doors and windows in Leslieville. Since the establishment of our company in 1978, we are working with dedication and hard work to offer the ultimate product quality to every new customer. In our team, we have well experienced and professional experts who can give the perfect example of innovative craftsmanship in every design product.

We have worked hard for our reputation, and are proud to provide outstanding customer service and superior craftsmanship. Our ability to reliably convey quality items has not gone unnoticed, as Clera has won the “Best of HomeStars” grant and won a number of other industry awards. To demonstrate our responsibility to the assembling and production of quality items, we also offer our customers a lifetime guarantee. This implies free swaps for the life of your Clera entryways and windows.

Meet The Team At Clera Windows and Doors Leslieville

Clera has earned a reputation for extraordinary client support and unrivaled craftsmanship. Every one of our experts has met the prerequisites of the CSA Group.
To prove our commitment to the manufacture and installation of high quality products, we also offer our clients a lifetime warranty from the factory. This means free replacements for the life of your Clera doors and windows.

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

To place your order in Leslieville, simply contact Clera Windows and Doors and choose the style, colour, and type of glass you want, and we will handle the rest. For custom products, you will need to meet with our design specialists to discuss your unique needs. We try to make the process as effortless as possible.

To start your journey to all new windows and doors in Leslieville, just contact Clera Windows and Doors and pick the style, shading, and kind of glass you need, and we will deal with the rest. For custom items, you can meet with our structure experts to talk about your one of a kind needs. We make the process as easy as possible. Get in touch with us today for more information.

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