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Best Window Installers near Nanaimo, BC
1 of these companies is based in Nanaimo; the others serve Nanaimo from towns including Duncan (46 km), Lantzville (14 km) and Ladysmith (22 km).
5 open weekends · 17 rated 4.5+
Data verified October 18, 2026
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Prolux Windows & Doors
- Crew
- House
- Product
“We're very happy with the result, and much of it owes to the first-class installation done by Denys Shupta and his team: highly competent and professional, hard-working, fastidious on every aspect of the work (down to cleaning the window panes thorou...”
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Starline Windows
- Team
- Call
- Need
“Their site visit brought them to the conclusion that the windows were not the problem and that there must be something within the house causing the interior condensation.”
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Sud Off Services
- Roof
- Heartbeat
- Price
“I have had the very good fortune to have this fine group of hardworking, reliable, knowledgeable people deal with all my roofing and eavestroughs needs.”
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JHI Construction
- Work
- Budget
- Attention
“He went out of his way to help me, informed me with the right information, he took the time to answer all my questions and mad sure i new what was going on.”
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ATC Home Solutions Inc
“Adrian Is very professional and gets the job done right the first time!”
Listed for homeowners in and around Nanaimo, BC, 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: Nanaimo, BC
23 of the 24 companies on this page have a rating, from 4.2 to 5.0 across 2,123 reviews; 8 have 50 or more reviews and 17 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (93%), quality (90%) and punctuality (75%). The topics that come up most in reviews of the companies on this page are "price", "estimates" and "communication". 5 are open on Saturdays and 3 on Sundays. Domain records put 8 websites of the companies on this page at ten or more years old; the oldest dates from 1996. 1 offers financing; 10 give free estimates; 4 are family- or locally-owned and 4 list coupons or special offers. We have a website on file for 23 of the companies on this page; 20 publish a contact page; 18 list a public email and 2 take bookings online. 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.
Is the home visit and measurement free?
A no-cost quote is offered by 10 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.
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Integral Installations Inc
- Matter
“All of our windows are now up to date but if I have any window issues or needs in the future, I will not hesitate to get Integral Installations to help me.”
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Brownlow and Sons Contracting
- Family
- Company
- Money
“Brownlow and Sons replaced our worst windows in 2019 and we had no hesitation in going back to them to replace the rest this year.”
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Right Way Building & Maintenance
- Door
“I, as a women, particularly appreciate not feeling like I'm having something “man-splained” to me, so thank you Ryan - ladies you know exactly what I'm talking about 😉 We have contracted Ryan twice already and plan to use him for many years to come!!...”
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Pacific Overhead Garage Doors LTD
“Excellent same-day service.”
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Sunshine Coast Doors & Windows
“Pat was very professional and knowledgeable throughout the entire process.”
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Thermoproof Factory & Showroom
- Product
- House
- Happy
“We accidentally ordered the wrong side sliding glass door and not only did they exchange it for free, they also delivered it and picked up the other one!”
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SB Window & Door Ltd
- Home
- Price
- Company
“The original builders did a poor job with insulation around the door but I can already tell that the excellent team of installers from S B Doors & Windows has sealed the new door so that no drafts/cold is leaking through.”
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The Vinyl Window Company
- House
- Clean
- Heating
“Great experience, I'd gotten quotes from as many window companies as I could find on the south island so I felt pretty educated on the costs and window options.”
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Central Glass (Duncan) Ltd
- Company
- Price
“It was such a pleasure doing business with Central Glass, so refreshing to actually get a reply, a quote that stayed the same and was completed when promised, well worth the ferry ride from Salt Spring!”
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Fenstur Windows and Doors
- Quality
- Quote
- Business
“What I loved the most was the lack of maintenance required even with wood, these windows and doors will last a very very long time (decades) before needing to be refinished.”
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Renewal by Andersen
- Meeting
- Project Coordinator
- Confidence
“Have all positive to say about the install crew, Denys, Artem, and Noah were prompt, courteous, and went out of their way to make sure that we were happy with the install.”
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West Coast Windows
- Home
- Crew
- Clean
“Overall, the experience was very positive and with their comprehensive warranty, I would recommend them to anyone thinking of replacing their old windows.”
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Long Life Windows & Doors
- Quotes
- Job
- Clean
“The lifetime warranty on everything was a big factor in our decision, and we feel very confident from our dealings with both Long Life and Vinyltech that any issues that come up in the future will be fully addressed.”
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A-1 Window Manufacturing Ltd
- Team
- Clean
- Home
“I was a little bit nervous about putting new windows in our home that was built in 1911, but the great sales guy Robert spent a lot of time with us to get the design right and they look great and fit right in with the character of the house.”
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Open Windows Inc.
- Company
- House
- Team
“Admittedly, when we were building our house, we didn't even know that such "statement front doors" existed, but Open-Windows had a variety of them that quickly convinced us that was what we wanted.”
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Big City Glass
- Job
- House
- Clean
“The best part was Bruce being proactive and responsive; when there were delays and issues getting our glass ordered during COVID supply chain issues, he kept us up-to-date on changes and pushed for our project to happen.”
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Euroline Windows
- House
- Project
- Team
“To be honest initial I thought it was too expensive but when I asked other manufacturer for the price of 6mm glass with triple glaze that euroline use, it was way more then euroline price.”
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PNR Windows & Screens
- Measured
- Efficient
- Work
“The office was efficient and friendly, They repaired and rejuvenated an aluminum sliding glass door on time, professionally and to an almost new condition!”
Window Replacement & Installation Services in Nanaimo, BC Cost Estimates
Minimum cost
$473
Maximum cost
$27475
National Average
$7552
Avg Per Hour Rates
$59
$4151
$11879
Average price range is based on 316 cost profiles
Why these companies made our list
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