Door and Window Replacement, Waterloo

Energy-efficient windows and doors, manufactured in Ontario and expertly installed by our team of certified professionals for lasting peace of mind.

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Made in Canada for 45+ Years!

We Manufacture, We Install, You Save!

300K+ Happy Customers

4.7/5 HomeStars Rating

Non-Prorated Lifetime Warranty

ENERGY STAR Certified Products

Proudly Rated Among the best Window and Doors companies in Canada

Gerald McDougall

Our local representative has been serving Waterloo and surrounding areas for over 30 years!

1-844-738-7936

Our Local Clera Branch Serves Waterloo

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

Our Waterloo Window and Door Installation Service Areas

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Clera Windows + Doors proudly installs windows and doors across the city of Waterloo, including Uptown Waterloo, Westmount, Laurelwood, and Beechwood. Our local team also serves the surrounding communities in Elmira, St. Jacobs, Heidelberg, Wellesley, and Conestogo.

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Contact your local Clera representative for a free consultation for custom door and window replacement, Waterloo.

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Gerald McDougall

Our local representative has been serving Waterloo and surrounding areas for over 30 years!

1-844-738-7936

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We Manufacture. We Install. You Save.

Discover how affordable your new windows and doors can be with our latest promotions.

Get up to 30% off all Replacement Windows and Doors

Enjoy up to $600 per window in free upgrades with our New Brilliance Line

No Interest, No Payments for 18 months!

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The Most Reliable Doors and Windows Waterloo Has to Offer

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Waterloo's freeze-thaw winters and humid summers are tough on windows and doors. Air leaks around the frame, condensation between panes, and rising heating and cooling costs are all common signs that a window or door isn't sealing the way it should anymore.

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Choosing to replace windows and doors with certified energy-efficient products is one of the best ways to lower utility costs in your home. Clera Windows + Doors manufactures every custom window and door replacement at our Ontario facility, built specifically to handle Waterloo's extreme weather fluctuations.

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Waterloo residents who partner with Clera get local support from the first phone call. We also offer factory-direct pricing, flexible financing, and a non-prorated lifetime warranty on every product, with no middleman markup along the way. We make door and window replacement easy, so your home stays comfortable and efficient no matter the season.

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Explore High-Quality Windows and Doors in Waterloo

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Discover Clera’s collection of energy-efficient windows and doors. Our high-quality products are manufactured using 100% pure virgin uPVC, Low-E glass, and an innovative triple-sealing system for long-term performance. ENERGY STAR certified and available in a wide selection of modern and classic styles, colours, and materials to suit any Waterloo home.

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Windows

Get new Waterloo windows in casement, slider, hung, fixed, or bay/bow styles, perfect for increasing natural light and improving energy efficiency in your home.

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Fiberglass Doors - Clera Windows And Doors

Entry Doors

Steel and fibreglass exterior doors Waterloo residents trust to withstand the elements and enhance home security. Limitless combinations for panel and glass designs.

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Patio Doors

Sliding and French patio doors that open up any room, add light, and seal tightly against winter drafts and noise.

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Why Waterloo Homeowners Choose Clera

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Clera Windows + Doors is a family-owned company that’s been designing, manufacturing, and installing windows and doors since 1978. As a proud Canadian business, we build every new front door and replacement window ourselves at our Ontario facility, keeping quality control in-house from start to finish.

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Our local representatives are committed to providing superior customer service, from educating homeowners on the long-term impact of energy-efficiency windows and doors to navigating government grants and incentives. In Waterloo, that means you get a rep who takes the time to understand your unique needs and preferences before recommending the best solution for your home. Contact us for a free consultation!

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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

Our Window and Door Replacement Process

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Window and door installation in Waterloo is simple with Clera. From your first quote to the final walkthrough, we handle it all, so you don't have to worry about a thing.

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Schedule a Free Consultation

Step 1

Get Your Free Quote

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Book a free, no-obligation consultation with your local Waterloo rep, who will assess your home and provide a same-day, transparent estimate.

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Step 2

Design Your Replacement Windows and Doors

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Choose your front door/window styles, colours, glass, and hardware with guidance from our team, tailored to your aesthetic and budget.

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Step 3

Custom Manufacturing

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Your new doors and windows are built to the exact measurements of your existing frame or opening, using high-quality materials.

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Step 4

Professional Installation

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Our licensed installers complete your Waterloo window or door installation with care and safety in mind, typically finishing the job in a single day.

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Step 5

Post-Installation Support

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A complete walkthrough of the finished project to confirm everything performs as promised. Your new Waterloo windows and doors are backed by our lifetime warranty.

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Frequently Asked Questions

How much does window replacement and door replacement in Waterloo cost?

Whether you're replacing one window or your whole house, window replacement in Waterloo typically runs $700 to $3,000 or more per unit, installed. The final cost varies depending on style, size, and glass package. Custom bay, bow, and other specialty shaped windows usually cost more. Entry doors range from $2,000 to $20,000 per unit installed. Patio door replacement starts around $2,500. Clera manufactures everything in-house, so every quote is factory-direct with no hidden markups.

What are the best replacement windows for a Waterloo home?

Custom windows Waterloo homes rely on have one thing in common: they’re made of vinyl. High-quality window replacement in Waterloo should balance cost, durability, and energy efficiency, with Low-E glass and multi-pane options to handle the region’s snowy winters and hot summers. Older homes in Westmount and Beechwood often suit casement or picture windows that match their original character, while newer builds have more flexibility for larger openings, such as bay or bow windows. Your local rep can walk you through what will best fit your home.

How do energy-efficient windows and doors in Waterloo improve home comfort?

Energy-efficient windows and doors help control both heating and cooling costs by sealing out drafts and reducing air leaks around the frame. In a Waterloo winter, that means less cold air getting in and less warm air escaping, which adds up to real savings and improved indoor comfort. For the most advanced line in Clera's collection, learn more about Brilliance Windows. Each frame is infused with groundbreaking technology, improving window insulation values by up to 25% compared to our classic windows collection!

Upgrade Your Home With Professional Door and Window Installation, Waterloo

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New windows and doors are among the most noticeable upgrades you can make to a Waterloo home, boosting curb appeal, improving home comfort, and reducing outdoor noise. Clera combines tried-and-true Ontario manufacturing with decades of local service and a full range of styles, so your satisfaction is guaranteed long after installation day.

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Get in touch with your local representative to claim your free in-home consultation. We can’t wait to show you the difference new doors and windows can make in your home!

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Schedule a Free Consultation