Global Improvement Solutions Inc.
“We got great deal for our windows and doors and we getting rebates also almost 5000.”
Best Window Installers in North York, ON
24 companies listed · 20 in North York · 1 open 24/7 · 14 open weekends · 15 rated 4.5+
Data verified October 21, 2026
Window Man
“Both doors were manufactured in reasonable time and replaced within one day.”
Door Depot
“He was patient & Flexible with our request, we are are pleased with our new door”
Canada Glass & Mirror Company
“Would recommend this company to anyone who's looking for get things done beautifully and on time!”
GTA Windows and Doors
“Igor gave us multiple options which we couldn't even know existed to address some issues we had.”
Pella Window and Door Showroom
“We're so lucky to came across Eter as Customer service representative and all turned up great!”
Listed for homeowners in and around North York, ON, these 24 companies fit and repair windows. Frame materials, glazing options and any credentials shown are taken from company websites; the customer lines are quoted from public reviews.
Area overview: North York, ON
20 of the 24 companies we list are based in North York; the other 4 serve North York from towns including Oakville, Port Perry and Uxbridge. The companies on this page are rated from 3.6 to 5.0 across 1,069 reviews; 7 have 50 or more reviews and 15 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (91%), quality (81%) and value (71%). The topics that come up most in reviews of the companies on this page are "cleanliness" and "estimates". 1 is open around the clock; 14 are open on Saturdays and 1 on Sundays. Domain records put 9 websites of the companies on this page at ten or more years old; the oldest dates from 1995. 1 offers emergency call-outs; 3 offer financing or payment plans; 13 give free estimates; 2 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for all 24 of the companies on this page; 20 publish a contact page; 22 list a public email and 2 take bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Is the home visit and measurement free?
A no-cost quote is offered by 13 of the 24 companies on this page. It comes with a sales visit, so agree how long it will take before they arrive. Ask for the quote in writing on the day, itemized by window, and be wary of a discount that disappears the moment the visit ends.
Canadian Standard Windows and Doors
“Canadian Standard Windows and Doors offered flexible scheduling that accommodated my busy lifestyle.”
Windows & Doors Ontario
“From the initial consultation to the final installation, every step of the process was handled with professionalism, expertise, and a commitment to excellence.”
Loyal Seal Windows & Doors Inc
“I got a couple windows replaced and it was no hassle at all!”
Weather Seal Windows and Doors
“The original home builder left some nasty surprises but the installer took it in stride and ensured that the new windows were properly installed.”
Action Windows Plus Doors Inc.
“My husband and I were happy that this contractor took care of the installation with care and efficiency.”
Pollard Windows & Doors
“He was always available when we needed him and made sure that after each interaction we were completely satisfied!”
Hands On Glass Ltd.
“He was able to fix the window almost instantly and cleanly without getting the glass everywhere .”
VND Windows & Doors
“Vitaly and his team left the house inside and outside clean and neat.”
Stouffville Glass Inc
“The team at Stouffville Glass worked with me through every step of the process.”
A. Oppers Limited
“Your team's professionalism and attention to detail were truly impressive.”
Varga Windows
“Always has been a top supplier of high quality products.”
Pioneer Windows and Doors
“I always deal with Daniel at Pioneer Windows and Doors because of his ( their) expertise and attention to details.”
Thermoline Windows
“I called them for a quote on 3 windows, they accommodated an appointment at my schedule, and went through all the available options for our house and budget.”
Comfortec Windows & Doors
“His professionalism, integrity and knowledge about new products and the best solutions for best value are why we continue to come back to him and Comfortec for all of our window and door needs.”
Netcost Windows & Doors
“This company definitely deserves a 5 start rating, the product is fantastic, and their finish is amazing, not to mention the price, the price was right.”
CRW Construction Inc.
Doors and Windows by Banga
Seaway Aluminum
“I replaced all my windows and doors with Frank , he does not disappoint with his workmanship.”
Why these companies made our list
Is this page useful? Yes
No
Is there anything wrong with this page?
