Northern Performance Windows & Doors
“Owners were very responsive and patient as we took our time making the right decisions on colour and style!”
Best Window Installers near Orillia, ON
3 of these companies are based in Orillia; the others serve Orillia from towns including Barrie (33 km), Brechin (23 km) and Gravenhurst (32 km).
2 open 24/7 · 5 open weekends · 8 rated 4.5+ · 1 shows a licence
Data verified October 16, 2026
Sunshine Windows & Doors
“It was no trouble getting in touch with Sunshine Windows and Doors; Troy and Tyler were more than accommodating to come back to my home in a timely manner to address the issues I was concerned about.”
J Wares Aluminum
“The workmanship and results of our window and door installations were top notch.”
D.C United Roofing
“Very responsive to our concerns on our new build, and made sure to put our mind at ease very quickly with some quality repair work.”
Lighthouse Exterior Finishes
“He is very experienced in his field and very professional very quick!”
Innovative Home Improvements
“We're very happy with the enclosure and would definitely recommend Paul and innovative home improvements”
Listed for homeowners in and around Orillia, ON, these 10 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: Orillia, ON
The 10 companies on this page are rated from 3.8 to 4.9 across 695 reviews; 4 have 50 or more reviews and 8 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise quality (92%), professionalism (86%) and responsiveness (79%). The topics that come up most in reviews of the companies on this page are "estimates" and "price". 2 are open around the clock; 5 are open on Saturdays and 4 on Sundays. 1 shows a licence on its website. 2 have ten or more years of experience, the longest 16 years. 2 offer emergency call-outs; 1 offers financing or payment plans; 5 give free estimates; 3 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 8 of the companies on this page; 5 publish a contact page and 5 list a public email. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book.
Do the listed window companies all have premises in Orillia?
3 of the 10 give an address in Orillia itself; the rest serve it from within 35 km. A showroom often covers a whole region, so distance matters less than who does the installing. Ask whether the fitters are employees, and how a callback in the middle of winter is handled.
Apollo Windows & Doors
“Steve was punctual, cleaned everything up before he left, pricing was great, couldn't ask for a better person to get the job done quick and professional”
Reynolds Brothers Exteriors
“Probably going to do the back now too since it looks so good haha so if you're trying to decide whether or not it's worth it - it totally is!”
Sutton Glass Windows & Doors
“Super nice guys, fast service, don't ask to many too many questions they just get it done 👍🏼 went in to replace an old farm house pane and it's perfect!”
GBS Contracting Services
“Company did my 15000 sq ft roof and I could not be happier, Mike is a great guy and gave me many options to help our damaged roof.”
Why these companies made our list
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