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Vinyl Replacement Windows

Explore Delco’s Vinyl Windows by Type

Exceptional Windows by Delco Windows

Are you looking to replace your current windows? Do you need windows for your new home build? When comparing options for window replacement and new construction, there are several factors to consider:

Delco Windows & Doors of Toronto has been the choice window installer for homeowners in the GTA since 1989. Delco Windows & Doors specializes in manufacturing and installing high-efficiency replacement vinyl windows, through the use of thermal vinyl UPVC window frame construction. Whether you are looking to replace your old metal, wood, or single pane windows with energy efficient double pane and triple pane windows, or simply want to upgrade your old windows to a new modern style, Delco is your all-inclusive window replacement specialist.

Delco knows Toronto. Delco knows windows.



Options for Energy Efficient Windows


Delco Windows & Doors has the latest cutting-edge window technology to choose from:

We help homeowners replace their windows in order to create a home that is energy efficient, sound reducing, solid, yet with healthy ventilation for years to come. Home renovations, and new home builds are good reasons to replace windows. Upgrading windows is an investment not only in a house’s value, but also in the quality of life and peace of mind. You can soon enjoy living in a comfortable warm home plus you’ll have new windows that are low maintenance and easy to use.

Are your old windows drafty? Are they noisy?  Are you looking for a way to facelift your home’s style and value?

Window replacement remains one of the top choices for investment return for homeowners.



Options for Window Sizes


Windows truly do come in all shapes and sizes. Bathroom windows. Bedroom windows. Kitchen bay windows. Your home has a unique style, and having the right size to match your existing window openings, or customize the opening for a larger or smaller window, can all be done through Delco’s precision installation process. We precisely measure, and then either match to standard sizes, or custom-manufacture based on your preference. Our window installers will assess your needs and preferences and make a window that fits, . . . creating a stylish, modern home



Options for Window Styles


Delco Windows & Doors offers all standard, as well as custom styles that make that perfect match for your home. The type of window you need matters. The look of your home, whether modern, urban, country, classic, historic, or other, makes it essential to choose the right style of window for your house.

In addition, we offer the right colour match and finishes to fit your needs. You can choose a standard colour or, custom frame colour that perfectly enhances your home’s interior and exterior.



Replacement Windows Toronto

When looking for the best replacement windows Toronto has to offer, consider Delco Windows and Doors. Our hundreds of models allow you to create the exact style you want to turn your house into a home to cherish. In addition, our unique direct-to-manufacturer prices give you savings over other Toronto dealers. When researching replacement windows Toronto, see why thousands of homeowners and businesses throughout GTA have chosen Delco for premium replacement windows at the lowest price.


Why Replacement Windows?

Whether you want to fix a broken window, or upgrade your style, or simply want to save energy throughout the year, replacement windows can fix your window problems fast, and give you comfort for years to come. While some homeowners wait for a crack or defective window to develop, most replacement windows are actually for house upgrades.

Painting your home? Upgrading your style? Making your home energy efficient? Delco provides replacement windows Toronto needs for the next generation. Long lasting. efficient, and long-term money saving value. Increase your home value, while increasing your comfort.  And best yet, we will help you see if you are qualified for Canadian government credits and incentives to help pay for your brand new, beautiful replacement windows.



The Window Installation Process


Replacing a window can be a complex task. Replacement involves:

If you are slightly off on any measurement, or encounter issues in any step in the process, you could end up with an expensive, drafty window.

Delco handles all of these steps, from start to finish, and offers a transferrable warranty on all windows installed. Other window installation companies can sometimes “outsource” to third-party installers, creating questions in the process. We have our own team of professionally trained in-house installers. This gives you, your family, and future homeowners security and peace-of-mind that your windows will provide long-lasting energy efficiency, and comfort for years to come. Our follow-up customer service ensures that your windows are installed right, and makes an enjoyable home, year-round.

Delco Windows & Doors has been helping homeowners all throughout Toronto, Vaughan, Mississauga, and the GTA for over 30 years. When you are looking for window manufacturers in the Toronto area, consider a company that has long-time experience, and has a showroom like Delco’s. We have expertly installed thousands of new high-efficiency vinyl windows. There is nothing we can’t handle, or haven’t seen before. When considering how to install your new windows, choose a window replacement installer that has years of experience, and warrantees their work.

And because of our three decades in the industry, and scale of size, we can offer an affordable price that beats any major window installer in the Toronto area.


Request a free, In-Home no-obligation quote for your window replacement

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Our Hassle-Free Process In 4 Easy Steps!

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Step 1


Our experienced staff will create a plan that will enhance the efficiency and appearance of your home

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Step 2


Qualified technicians will ensure precise measurements before proceeding with the production process

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Step 3


Our certified installers will respect your home as if it was their own and will clean up and dispose of all debris while ensuring to respect social distancing

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Step 4


Our comprehensive transferable warranty is backed by a commitment to making sure our products function as expected

What Homeowners Say


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


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.

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Geraint Reviewer Image



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.


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!

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Jim Bird Reviewer Image

Jim Bird


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


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.

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Noah Klar Reviewer Image

Noah Klar


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.

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R. Pierce


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.

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Sandra Reviewer Image



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.

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Sarah Reviewer Image



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


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.

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Fabrizio Macieri


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

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Joey Oliveira


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.

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Angie Gandhi


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.

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Linda Reviewer Image



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.

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Serban Dinca


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

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Adrian Nema


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!

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Jonathon & Sheri Mcintosh


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



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.

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Alfy Reviewer Image



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!

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Mi Reviewer Image



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.

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Esther Tobin

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Quality New Windows & Doors. Competitively Priced!

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