canada flag

PROUDLY CANADIAN COMPANY OWNED & OPERATED IN TORONTO SINCE 1989!

CALL NOW

Window Installation Vaughan and Window Replacement Vaughan: Built for Ontario Winters

If your windows fog between the panes, let a draft past the frame, or no longer match the home you have worked hard for, you already know it is time. Delco Windows and Doors offers window installation Vaughan homeowners can rely on, and window replacement Vaughan families plan around, as a Canadian-owned company serving this city since 1989. We manufacture our own windows, install them with our own certified, insured team, and back every job with a lifetime, fully transferable warranty. No subcontractors, and no coverage that shrinks with age. Below, we explain exactly how the work is done.

Why Vaughan Homeowners Are Replacing Their Windows Right Now

Vaughan homeowners are replacing their windows now because so much of Woodbridge, Maple, and Vellore Village was built in the 1990s and 2000s, which puts the original windows at 20 to 30 years old. Add Ontario's freeze and thaw swings, from Highway 7 in Concord to the Humber River valley, and every tired seal and worn gasket eventually gives out. It makes sense that many homeowners are facing this decision around the same time.

Maybe it is fog trapped between the panes that never clears. Maybe it is a frame that no longer sits true, or a handle that has stiffened. Or maybe the windows still work, but they no longer match the care you put into the rest of your home.

If you are going to replace them, are you choosing windows built to a standard you will still be proud of in twenty years? And will the company that installs them still stand behind the work long after the crew has gone?

Those are the right questions, and our team answers them during a free in-home assessment. Window installation and replacement done properly means a product chosen for your home, built and fitted by one company, and covered by a warranty that does not expire.

What Professional Window Installation in Vaughan Actually Involves

Professional window installation in Vaughan starts with the opening, not just the window. Our team checks the condition of the frame and the wall around it, then matches a product to that opening from more than 50 styles in vinyl, aluminum-clad, wood-hybrid, fiberglass, and steel, in a wide range of colours and finishes. Your windows arrive damage-free; we control quality from our own production to the final fit, and your lifetime warranty paperwork is in your hands when we finish.

Bay Window Installation in Vaughan

A bay window pushes out from the wall, adding light and a deeper sill to a living room or kitchen eating area. Because bays have more joints to seal than a flat window, an ageing one in a Vaughan home deserves a close look before another winter. Delco builds each bay to your opening, and our certified, insured team installs it. Frames, sealed glass, hardware, and components fall under our lifetime, non-prorated warranty. Consider replacement if the glass has fogged or the frame has started to sag.

Learn More

Bow Window Installation in Vaughan

A bow window curves outward in four or more sections, giving a wide, soft view of the yard from the room it serves. It suits larger openings, and the extra joints make a precise fit matter. We build the unit in-house, and our own installers fit and seal it, so one company is accountable for the result. Our lifetime warranty covers the frame, sealed glass, hardware, and components. Consider replacement if you notice drafts at the joints or glass that has turned cloudy.

Learn More

Casement Window Installation in Vaughan

A casement window hinges at the side and swings outward, giving you a clear opening with no centre rail in the way. It closes firmly against a long Vaughan winter and catches a summer breeze when you want one. Our range of more than 50 styles lets you choose the frame material, colour, and finish that suit your home. Our certified team installs every unit, and the lifetime, fully transferable warranty covers the hardware as well as the glass. Consider replacement if the cranks have stiffened or the sash no longer closes flush.

Learn More

Awning Window Installation in Vaughan

An awning window hinges at the top and opens outward from the bottom, so it can stay open through a spring shower without letting rain in. It works well above or below a fixed pane in kitchens, bathrooms, and basements, where you want fresh air without a wide opening. Delco builds these windows for Canadian winters, and our own installers fit them, with frames, hardware, and sealed glass under the same lifetime warranty. Consider replacement if the sash collects condensation or the hinges no longer hold it open.

Learn More

Basement Window Replacement in Vaughan

Basement windows bring daylight and fresh air into space that many families use as a second living room, a home office, or a guest suite. Older units can let in cold air and moisture as frames and seals age. We replace them with windows engineered for Canadian climate and energy efficiency, fitted by our certified in-house team and covered by the same lifetime warranty as every window we make. Consider replacement if you see frost on the glass in winter, moisture on the sill, or a window that will not close properly.

Learn More

Tilt and Turn Windows in Vaughan

A tilt and turn window is a European design that opens two ways from one handle. Tilt the top inward to ventilate a bedroom or nursery securely overnight, or turn the handle to swing the whole sash into the room for full airflow and easy cleaning from inside. It appeals to homeowners who value precision engineering and clean lines. Delco manufactures and installs tilt and turn windows ourselves, backed by a lifetime, transferable warranty on frames, hardware, sealed glass, and components. Consider replacement if your windows are hard to clean or hard to ventilate.

Learn More

The Delco Difference: Why Vaughan Homeowners Trust Us

One Company Accountable for the Whole Job

Since 1989, Delco has been a Canadian-owned manufacturer, supplier, and installer. That makes one company accountable for your whole project. There are no subcontractors and no outside crews, and every project gets personal attention from people who are certified, insured, and answerable to you.

Lifetime, Fully Transferable Warranty

Our warranty is lifetime, fully transferable, and non-prorated, so coverage does not shrink as your windows age. It covers frames, sealed glass failure, hardware, and components. If you sell your home, the warranty passes to the next owner, and a claim is one call to the company that built your windows.

Rated 4.9 on Google and 9.8 on HomeStars

Homeowners rate us 4.9 out of 5 on Google and 9.8 out of 10 on HomeStars, and both ratings come from real customer reviews. We would rather you check them yourself than take our word for it.

Common Questions About Window Replacement in Vaughan

How many days should I plan for when replacing the windows in my Vaughan home?

The time depends on how many windows you are replacing, which styles they are, and whether the openings need any repair. A single window is usually a matter of hours, while a whole house is usually measured in days rather than weeks. Because our own certified team handles every job, we control the schedule instead of waiting on outside crews. At your free in-home assessment, we walk through your openings and give you a realistic timeline for your specific home before any work is booked.

Can I replace windows in Vaughan during winter, or should I wait until spring?

Yes, window replacement in Vaughan can happen year-round, and our in-house crew works through the cold months. If your windows are already failing, waiting means another winter of living with the draft.

If I sell my house, does the window warranty go to the new owner?

Yes. Our lifetime warranty is fully transferable and non-prorated, so the buyer receives the same coverage on frames, sealed glass failure, hardware, and components that you had.

Serving Vaughan Neighborhoods Near You

Our showroom is in Concord, in the heart of Vaughan, so our team is never far from the communities below. Once you request your free in-home consultation, expect a visit without a long wait, whether your home is on a long-established street or in a newer subdivision.

Central Vaughan

Vaughan Metropolitan Centre, Vellore Village, Patterson

West Vaughan

Woodbridge, Islington Woods, Elder Mills, Sonoma Heights

North Vaughan

Maple, Kleinburg

Thornhill and East Vaughan

Thornhill, Thornhill Woods, Brownridge, Uplands

Book Your Free In-Home Window Consultation in Vaughan

If your windows are fogged, drafty, or simply overdue, the best next step is a free in-home consultation with our team. We look at your current windows, talk through the styles and materials that suit your home, and give you clear pricing before you decide anything. There is no obligation and no pressure.

For more than thirty-five years, we have provided window and door installation Vaughan homeowners count on, and window replacement Vaughan homes need before the next hard winter. That history tells us what holds up through Ontario's weather and how to fit it correctly the first time.

Another winter does not have to start with the same draft and the same fog. One short conversation can turn a nagging worry into a plan, and picking up the phone is easier than it feels.

Call us today or request your visit online, and you will reach a real person on our team, not a call centre.

Our Hassle-Free Process In 4 Easy Steps!

Step 1 banner image
Step 1

DESIGN CONSULTATION

Our process begins with a personalized design consultation. Our experts work closely with you to understand your needs and preferences, providing tailored design options that match your home’s style.

Step 2 banner image
Step 2

MEASURE & MANUFACTURE

After finalizing the design, we take precise measurements of your openings. Our skilled craftsmen then manufacture your doors and windows in our Toronto facility, using high-quality materials and advanced techniques.

Step 3 banner image
Step 3

INSTALLATION

Our certified installers handle the installation with care and professionalism, ensuring a perfect fit for optimal performance and aesthetics. We work efficiently, minimizing disruption and leaving your home clean

Step 4 banner image
Step 4

 Post-Installation Support

Our commitment continues after installation with comprehensive support. Whether you need maintenance advice, adjustments, or warranty services, our dedicated team is always ready to assist.

Read Our 5-Star Testimonials

quotes

Amazing service and quality products. Installation was on time and on budget. Our windows look awesome. Edan gave us his full attention from the first call and every step of the way after. Highly recommend.

Adam Rivers Reviewer Image

Adam Rivers

quotes

New windows and door for basement and new metal/glass back door for main house - even through my indecisiveness and the covid-19 challenges Ayal and his installers were patient with me and I am very happy with the look and quality of the install.

homestars logo image
Geraint Reviewer Image

Geraint

quotes

It was a pleasure dealing with Jack and all Delco's stuff. The windows arrived on the date for which were promised. The quality of the service, product and workmanship were excellent. I would gladly recommend Delco to anyone need Windows and Doors

Ruven Y. Reviewer Image

Ruven Y.

quotes

We're so happy with our new front door. Very high quality finish, beautiful window. Installation was impeccable and done very quickly. Hinge and 3-point lock mechanism fit perfectly and feel very solid. Very attentive customer service. Door really ups our curb appeal!

homestars logo image
Jim Bird Reviewer Image

Jim Bird

quotes

I just had my front door replaced and cannot say enough good things about this company. From start to finish their professionalism is outstanding, and the workmanship excellent. Would highly recommend

Maureen Fuller Reviewer Image

Maureen Fuller

quotes

Delco supplies my windows and doors for renovations throughout the GTA. Edan and his staff are the best. Well priced quality products and personalized service. Highly recommended.

homestars logo image
Noah Klar Reviewer Image

Noah Klar

quotes

We have 3 sliding doors and a double front door replaced. All work was done professionally but well qualified craftsman. Watching them work it was clear they new what they were doing and work is first class.

homestars logo image
R. Pierce Reviewer Image

R. Pierce

quotes

We used Delco to replace our windows and patio door and door glass inserts. We are very happy with the quality of the windows and patio door and were very impressed with the installers as well who were very professional and clean. Thank you Nasho and George for your hard work and patience. Also, a big thank you to Ayal who always returned my calls and answered all my questions.

homestars logo image
Sandra Reviewer Image

Sandra

quotes

Delco provided all the exterior doors for our new home build. Ayal was great and the company is very customer service oriented. The doors look beautiful, the hardware is high end and the install went very well. Overall we are very happy with the product and service.

homestars logo image
Sarah Reviewer Image

Sarah

quotes

Ayal and Edan were great to work with. They provided extensive product knowledge and had a great selection in their showroom. The windows and doors changed the whole look of the house and gave a much needed modern yet classic update. Great quality and workmanship! Thank you!

Stephanie Lannaci Reviewer Image

Stephanie Lannaci

quotes

Both my wife and I could not have been happier with the product and service displayed by the owner and the installers. They had kept true to there word and the timelines. The process was catered to our schedule and was seamless.

Fabrizio Macieri Reviewer Image

Fabrizio Macieri

quotes

Had a great experience with Delco. They were professional and did a great job on time.

Joey Oliveira Reviewer Image

Joey Oliveira

quotes

Our experience with Delco Doors has been very good. We needed to replace out front door. Our old 6 feet Steel doors were removed and replaced with Delco 8 feet Fiberglass Doors. The installation went very smoothly, and the guys made sure that everything was fitting squarely and tight. They cleaned up after they were done and were very pleasant to work with. Would highly recommend them.

Angie Gandhi Reviewer Image

Angie Gandhi

quotes

A fantastic company to deal with from start to finish. They were professional, courteous and the project was completed in the timeframe agreed upon. Would highly recommend Delco.

homestars logo image
Linda Reviewer Image

Linda

quotes

I would recommend Delco Windows and Doors without any hesitation. The quality of the products is very good, the installation exceeded my expectations and the responsiveness and punctuality is impressive.

homestars logo image
Serban Dinca Reviewer Image

Serban Dinca

quotes

Very good and timely service. A pleasure to work with Edan Next time I need windows and doors I will definitely call them again

Adrian Nema Reviewer Image

Adrian Nema

quotes

Recently ordered a custom window from Delco. We are extremely happy with the level of customer service - Elyse went out of her way to notify us when the window came in and came in to work on her day off so we could come pick up the window. If we need another window we will definitely come back to Delco!

Jonathon & Sheri Mcintosh Reviewer Image

Jonathon & Sheri Mcintosh

quotes

I would highly recommend this company, the final product was beyond my expectations, My new front door makes my house standout so happy thank you Delco Windows and doors. I will definitely use Delco Windows and doors again in the future thanks to Edan and the installers

Maria Reviewer Image

Maria

quotes

Existing door replacement is a delicate project. I am very satisfied with job well done by Ayal Jack and his installer. Highly professional team, they know their business well, easy to deal with, very accommodating. He guided us step by step to select the best fit for our purpose.

homestars logo image
Alfy Reviewer Image

Alfy

quotes

I would highly recommend this company. They were very easy to deal with, accommodating and professional. The final product was beyond my expectations. The products completely transformed the front of my house and for sure increased its value and curb appeal. Thanks!

homestars logo image
Mi Reviewer Image

Mi

quotes

Happy experience from start to finish. Thank you to Edan for going out of his way to meet us late one evening and his helpful consultation in the showroom especially thank you to the extremely professional, clean and friendly crew of installers. Everything was as promised, the men arrived on time, their work was immaculate and complete, their craftsmanship beyond reproach.

Esther Tobin Reviewer Image

Esther Tobin

Make your project a reality with convenient financing options*

Easy Financing Available

Click Here for Details

*Subject to credit approval.

IGMA Partner Image Bauemler Partner Image logo 2 Partner Image logo 3 Partner Image logo 4 Partner Image logo 6 Partner Image logo 7 Partner Image logo 8 Partner Image logo 9 Partner Image Cardinal Glass Partner Image Kommerling Partner Image reynaers Partner Image EnergyStar Partner Image best award Partner Image

We’ll Come To You!

We’ll Come To You!

GET A FREE QUOTE

Quality New Windows & Doors. Competitively Priced!

Christine R.

Please, enter a valid value