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Typical your area range for this kind of work, from regional averages — not a quote from Mainville Windows. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$4,000 – $11,000
Typical exterior project around $7,500
Mainville Windows sells and installs replacement windows and doors, and its Google page shows 5 stars from 58 ratings. The company describes itself on its website as installing vinyl, aluminum and fiberglass windows, and says it has been in business 40 years. One recent customer had 8 windows and a slider replaced and said Ron, the owner, gave them the best price; that customer called the contractors who did the work polite, efficient and very clean. A recent customer with huge windows and intricate wood trim said the job required a custom installation, and that Ron worked through all the details. A recent customer said Ron and his team replaced an old bathroom window, including the wood trim, and fixed a roof gutter that was draining improperly, all in a few hours. A recent customer said the team stabilized a shattered patio door until the new one arrived. On a recent screen-porch job, the customer said rotten wood turned up behind the siding beneath the screens, the job had to change and cost more, and that it was handled fairly. A 2024 customer said the company replaced the timber beams and brick piers in the dirt basement of a historic home with LVLs and lally columns on footings, doing the work in stages. In a 2022 review, a customer said Ron replaced a slider, 4 interior doors and a kitchen window as part of a full renovation, and that the slider needed unexpected structural repair.
We selected Mainville Construction for our window and slider replacement project. Ron, the owner, was personable, informative and gave us the best price. Honestly, regardless of the cost we likely would have chosen Ron because of his professionalism and courtesy. The contractors that came to do the work were polite, efficient, and very clean. My mother who was visiting and witnessed the project told me how impressed she was with how well they worked and cleaned up at the end of the day. We had 8 windows and a slider replaced. I would 100% recommend Ron Mainville and his team for your window project.
Ron, the owner of Mainville Windows, was friendly and a pleasure to work with. He was very attentive to our needs and always responded quickly. His crew was experienced and professional and did a top notch job installing our windows and storm doors. We are very pleased with the results. We highly recommend them to anyone looking to have windows replaced. Great job! Thanks Ron and Crew!
Ron and his crew did an amazing job installing our new windows! Our windows were really complicated -- they are huge windows with intricate wood trim that required a custom installation. Ron worked through all the details with me and never made me feel like I was asking too many questions. I am really happy with how the windows turned out and would highly recommend Mainville Windows! Thank you Ron and team!
We had a great experience from start to finish. Communication was easy, pricing was fair, and the team was professional and respectful. Our new windows look beautiful and made a huge difference. I also really appreciate that they stand by their work. I’d definitely recommend them
We recently had Mainville Windows replace our windows throughout our home. From the start, Ron was highly engaged, even meeting us at a showroom to explain our options and give us an opportunity to see the different products available. The team completed the job in a timely fashion and were open to scheduling the job around our availability. We are very happy with our new windows.
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1 change recorded — last scanned Oct 14, 2026.
One-day roof replacements5.0
Two-day roof replacement, finished as promised5.0
Two-story home re-guttered in a day4.7
27 windows installed in a single day4.5