Toronto’s Trusted Window & Door Experts for Over 50 Years

Request Your Free Estimate

Send us your specifications, blueprints, or client-provided measurements for supply-only projects. For installation services, we offer a no-obligation site visit to confirm sizing and project details.

We provide a clear, detailed estimate tailored to your project — with no hidden fees and no guesswork.

Receive a Transparent Quote

Once order details are finalized and a deposit is received, production begins. Supply-only orders can be scheduled for pickup or optional delivery, while installation projects are scheduled around the midpoint of production, allowing for coordinated planning, confirmed timelines, and a smooth installation process.

Start Your Project

From in-house production through delivery and professional installation, our team manages every step of the process — keeping you informed and your project moving smoothly.

We Handle the Rest:

"Thank you so much for attending to my problem so promptly. Your installers are the best: they were poilte and friendly and expeditiously and precisely did the job in record time. They left the site as they found it - clean and tidy - no muss, no fuss and do debris. Thanks again."

"Hi Frank, Thanks for working with me on the project. The result was exactly what I was looking for and I’m glad to have had the opportunity to work with you and Ontario Aluminum."

"Just wanted you guys to know you have amazing service were very happy to have you guys as our suppliers."

"Dear Ontario Aluminum & Glass, It gives me much pleasure to write to you. The windows that you installed for us are fantastic –sleek-clean-beautiful. Please send me 3-4 business cards so that I can distribute them to the neighbours and others who ask about the windows. Thank you again; 30 years later we do business again with Ontario” Regards to Danny who is now 30 years older. May you continue to prosper."

"Hi, Your company is putting in new windows in our entire office complex. We have had contact with the guys who hoist the new windows in place and the Project Manager. It is unusual to have such great people on a job like this. They have been so respectful of us tenants recognizing that they have to disrupt our office to put the new windows in while trying to make as little noise, dust and discomfort as possible. Their work is so well done and the trim around the new windows is very neat and professional. They even did some paint touch-up with matching paint! Such a great group of guys. They really are special."