Hamblet's Roofing Siding Windows
“I would highly recommend them to anyone needing to upgrade their windows.”
Best Window Installers near Port Colborne, ON
None of these companies is based in Port Colborne; they work from towns including St. Catharines, Niagara Falls and Fort Erie.
24 companies listed · 9 open weekends · 22 rated 4.5+
Data verified October 21, 2026
A C Vinyl Windows Ltd
“They cleaned up after themselves, their workmanship was excellent and final results was excellent.”
Precision Roofing
“We had high winds that caused damage to the roof and Vince sent out an emergency crew right away.”
Myles Calvert & Son Windows and Doors
“We are happy at every turn with the North Star windows you have provided, your meticulous attention to detail in their installation, and your clear and helpful communications along the way.”
Niagara Egress Masters
“Steve was great to deal with, and work was completed on time and as promised.”
Coverall Siding Windows & Aluminum Products
“Very helpful my husband had placed an order for the next day and it was ready in a couple hours.”
Listed for homeowners in and around Port Colborne, 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: Port Colborne, ON
The 24 companies on this page are rated from 4.0 to 5.0 across 1,317 reviews; 11 have 50 or more reviews and 22 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (94%), quality (87%) and responsiveness (75%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "cleanliness". 9 are open on Saturdays and 1 on Sundays. The services the companies on this page list most often on their websites are siding (6), windows (4), doors (3), decks (2) and gutter guards (2). 1 lists staff certifications (GAF). Domain records put 7 websites of the companies on this page at ten or more years old; the oldest dates from 1999. 3 offer financing or payment plans; 12 give free estimates and 2 are family- or locally-owned. We have a website on file for 21 of the companies on this page; 19 publish a contact page and 15 list a public email. 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 12 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.
Fairway Home Products Inc
“Great job installing my windows and doors.”
Multi Service Maintenance
Kingswood Millwork & Design
“If you want high quality wood windows and doors this is the only place to get custom made window and doors”
Great Northern Home Exteriors Inc.
“He was super courteous to my 'night shift' sleep schedule and tried his best to keep as quiet as possible.”
Permanent Siding & Windows
“Darryl worked with us to ensure that the project's end result was what we envisioned.”
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Window Repair Guys
“The Window Repair Guys replaced a couple of fogged up dual pane windows for us and we're thrilled with the results.”
Golden Horseshoe Roofing
“Jason and his team were eager to provide a top quality experience from initial contact to following the job to completion.”
Tip Top Exteriors
“Joe and his team took their time doing the exterior of our house and made sure everything was in order.”
Marks Windows and Doors
“Mark and his helper, Will, did as promised and installed 10 windows and a patio door, but the quality of their service did not end there.”
Niagara Glass Ltd
“Friendly helpful staff got me what I needed the next day… awesome”
Blindstech Shutters and Blinds
“Very good professional service, very reasonable priced , we had 6 windows done they came in put them up were very kind , fast and efficient.”
Gemini Windows
“No waiting for responses, quotes or installation very professional.”
Louwes Windows & Siding
“When it came time to install the window, which was the coldest day so far this winter it was Dan and Dustin who embraced the cold and worked a full day to finish the job.”
Consumer Direct Windows & Doors
“The installers did a great job & managed to get all 10 windows completed on one day.”
Smart Film Glass
“Had Smart Film's product installed mid last year, has been very resilient and other panels we have installed earlier are still working great.”
Scott Windows & Doors
“Had patio door installed and everybody that sees it wants Scott to do some work for them.”
A 1 Quality Roofing & Siding
“Debbie at A1 sent Brandon out immidiatly to check the situation and give us an estimate on a new roof.”
L & L Contracting Inc.
“Attention to detail and take pride in the work that they do.”
Why these companies made our list
What customers say about companies near Port Colborne
- “The crew is very polite and conscientious. Our top window was very challenging but they managed to get it done without incident.” — customer of Myles Calvert & Son Windows and Doors
- “Gave timely advice, helped me find the window I needed and they did a super professional installation.” — customer of Gemini Windows
- “I will be recommending them to anyone in my network who needs an egress window.” — customer of Niagara Egress Masters
- “They cleaned up before they left and their attention to detail was amazing.” — customer of Permanent Siding & Windows
- “We were extremely pleased with the professionalism, communication and respect shown to us and our home.” — customer of Myles Calvert & Son Windows and Doors
Excerpts from public reviews of the companies listed on this page.
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