Locally Owned and Operated since 1972

At Alton Windows and Doors in Toronto, our mission is to provide you with quality, innovative products which add style, comfort and value to your home. We require that our sales representatives and installers are professional, trained and certified to ensure that we meet your home needs.

The Alton Family

Our family has been manufacturing windows in Toronto, Ontario since 1972. As a result of our extensive experience, we have been recognized by renovators, architects, builders and homeowners as one of Canada’s leading manufacturers of custom windows and doors.

Why Alton Windows?

When looking to replace your windows, it is helpful to know what to look for in a window and door company. There are many factors to consider before choosing the right Toronto window company for your home, including manufacturing techniques, affordability, workmanship and available warranties.

With so many options in styles, suppliers and installers, it is important that you make the right decisions. At Alton Windows and Doors, we make sure to go the extra mile in order to prove to our valued customers that we offer the best in window and door solutions.

Alton Manufactures Energy Efficient Windows

Our Toronto window company has been manufacturing windows for over 47 years, so we know what it takes to produce an excellent window. We manufacture both aluminum and vinyl windows that are energy efficient certified. Our intelligent design and advanced weather-stripping prevent heat and cold from being conducted through the frame. These energy efficient windows are designed to save you money.

Professionally Trained Sales Representatives

At Alton, we pride ourselves in having only professionally trained sales representatives who truly understand windows and work with you to best understand your needs. Our sales representatives will give you a free assessment of your window needs in a timely manner, and they will recommend the windows best-suited to your home and décor.

Our Certified Installation

Installation can make or break a successful window replacement. This is a crucial task which must be completed carefully and accurately. When it comes time to have your windows and doors installed in your home, our professionals are certified to maintain the highest installation standards, and we ensure thorough cleanup after the work is done.

Give us a call or send us an email to book your free home evaluation or visit our showroom to see the many styles of windows that we manufacture.


Alton Windows and Doors

155 Fenmar Drive

North York, ON, M9L 1M7

Phone: 416-749-8282

Toll-free: 1-888-713-8282

Email: info@altonwindows.ca


Monday - Friday: 8:00 AM - 5:00 PM
Saturday: 9:00 AM - 12:00 Noon
Sunday: Closed


Send to a friend

Send the url of this page to a friend of yours

Created by

Legal notice