The Best Windows and Doors in Ancaster

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

The Best Windows and Doors in Ancaster

Greg Gainham, Service Representative - Clera Windows + Doors

Greg Gainham

Our local Ancaster team has been serving surrounding areas for over 45 years!


Contact us for more information and about a free quote!

Contact Us

Our Local Clera Branch Serves Ancaster

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 Ancaster team has been serving surrounding areas for over 45 years!


Contact us for more information and about a free quote!

Contact Us

Our Local Clera Branch Serves Ancaster

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: 1-844-738-7362
Phone: 1-844-738-7362
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 Ancaster

At Clera Doors & Windows, we have been serving the Ancaster area for the past 40 years. We are committed to giving your home a new look infused with strength and clarity. Our team of experts believes that each of our products and every relationship we build with our customers should be comprised of excellent craftsmanship, integrity, and professionalism. We strive to provide you with the quickest turnaround times and unrivaled customer service that will never be compromised, just like our products.

Contact Us

Ancaster, Ontario is a city of just over 30,000 people. The quiet town has a local area that combines sprawling modern homes with traditional farm houses, and is in convenient driving distance of the downtown areas of both Burlington and Hamilton.

It’s this convenient location and the beautiful natural areas of Ancaster that has made the town a popular destination for growing families in recent years. And many modern local families are now looking to enhance their home with the latest high efficiency window and door products in Ancaster.

Clera Windows and Doors is a company that recognizes the modern challenges facing homeowners. We know that many Ancaster residents struggle to pay their energy bills each month as a result of the rising price of energy in the region. And so we’re now inviting local area homeowners to review our full suite of high efficiency windows and doors in Ancaster.

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

We take products from suppliers that have excellent craftsmanship and use only high-quality material and top brands. We have a wide selection of products, styles, colors, sizes, and add-ons. Our windows range include Bay & Bow, Casement windows, Awning windows, End vent slider, Low profile fixed, high profile fixed, and specialty shapes. We offer the most competitive pricing and a comprehensive warranty on all our products.

We have been manufacturing windows and doors in Ancaster, Ontario since 1978. With plenty of experience and quality services, we have been recognized by renovators, architects, and homeowners as one of Canada’s leading manufacturers of custom windows and doors. We have also been awarded a number of the industry’s top certifications, making us Ontario’s most awarded window company. We have also won the title of #1 company in our industry by Top Choice Awards, HomeStars, Ontario Window Reviews, and even our City of Vaughan as Company of the Year!

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!)

Ancaster’s Leading Replacement Windows & Doors

We have installed thousands of windows and doors in Ancaster and the surrounding areas for the last 40 years. All windows and doors are installed by certified, and professional technicians who make sure the project will be done right.

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

The vinyl window products offered through Clera Windows and Doors are designed to help significantly reduce the expense of homeownership. We can measure the client’s home, analyze their design needs and then install high quality windows and doors to give them an exceptional return on investment. It’s the type of service that allows homeowners to stop worrying about those monthly energy bills and start considering what they’re going to do with their extra disposable income each month.

With hundreds of satisfied customers, we have gained a solid reputation in the market and top ratings with Google and social media reviews. Our doors and windows in Ancaster are highly customized, meet your needs, and provide the best value for your money. We offer a warranty on the doors, windows, and installation so you can have peace-of-mind knowing that you won’t have to pay again. We take pride in the fact that we are a family run and operated 100% Canadian business producing to the highest quality standards.

Vinyl Windows & Doors

Clera Windows & Doors have all the experience and expertise to recommend windows and doors that fit your budget and meet your requirements. Our most popular products are vinyl doors and windows which are highly energy-efficient and come with virtually no maintenance cost. Clera’s ENERGY STAR® certified replacements windows are developed with high-quality vinyl (PVC) to deliver a balance of optimal style and performance. Every Clera window and door meets the strict technical requirements of ENERGY STAR®, resulting in big energy savings, and a small ecological footprint.

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

We understand that any house renovation can be stressful, so we make sure that you are comfortable every step of the way. Our installation crews are certified according to industry standards, and are experts in their field, installing every door and window with the same care and precision. Over the past few decades, we have established a reputation for superior products, prompt installation, and exceptional service. Clera takes pride in improving home comfort and delivering value to homeowners.

Beyond our understanding on the latest high-efficiency home products, Clera Windows and Doors is also known as a specialist for a complete range of glass options. Because we’re one of the leaders within the windows and doors marketplace in Ancaster, we’re able to present homeowners with traditional glass products as well as specialty glass options such as our Glacier, Sandblast, or Waterglass products.

Serving Ancaster For Over 40 Years

Clera Doors & Windows have been offering services to Ancaster for the past 40 years. We have the knowledge and experience to help you pick the right windows and doors that best suit your needs. All our products offer superior quality and are Energy Star Certified. Our products are more durable, more secure, and more energy-efficient than our rivals, helping you save on your energy bills and improve the looks of your home. Our engineers craft windows that are noise reducing and highly thermal efficient, at a competitive price. Highly efficient replacement vinyl windows are our specialty.

Get started by booking a free consultation/estimate to upgrade your home with high-efficiency and high-performance replacement vinyl windows and fiberglass entry doors at an affordable price.

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

Meet The Team at Clera Windows & Doors Ancaster

All of our staff are highly skilled trained technicians, salesmen, and installers who are always on duty to answer your questions and needs. Our staff members are certified and insured according to industry standards and are masters in windows and doors replacement. They can guide you right from the start of the project – from planning to installment. They install every door and window with the utmost care, dedication, and precision. Our warranty covers not only the products we produce and install but labor as well. Let us to help you in finding the best windows and doors for your home today!

Clients can discuss their full range of glass and frame material options when they speak with their Clera Windows and Doors specialist during their free in-home consultation. During the consultation, the Clera Windows and Doors specialist can help answer any of the client’s questions and ensure they make the right choice for their long-term homeownership requirements.

Clera Windows and Doors is now serving Ancaster homeowners with a full range of window and door options! To discover more about our company and the complete selection of products we offer, book a consultation directly with your local Ancaster expert.

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