Verified record
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Royal Thermal View Inc. 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
Royal Thermal View is a family-owned window, door and siding company based in Mendon, Massachusetts, serving homes across Massachusetts and Rhode Island. The business traces back to the mid-1980s and has been run by the same family since; it holds a Massachusetts home improvement contractor license (No. 110717) that the state registry confirms is active through November 2026, and it has been a BBB-accredited business since 1993 with an A+ rating. For years, homeowners who hired Royal Thermal View for window and door replacement have described a consistent, hands-on experience: reviews from 2022 through late 2025 repeatedly single out "Ray and his crew" for clean, professional installs finished on schedule, and one reviewer noted the owner was on site for the entire job. The company is a certified Harvey and Andersen Elite Dealer and a Therma-Tru certified installer. Several customers say they came back for a second or third project after being happy with earlier work, with one describing herself as a repeat customer "from many years ago." More recent reviews point to a different experience when trying to book new work. In late 2025 and again through the first half of 2026, several homeowners describe calling multiple times for an estimate or a repair without getting a callback, with two reviewers saying the company has become harder to reach since a change in management — a contrast to the responsiveness earlier reviews describe. One five-star review from October 2025 makes the same point despite the rating: the write-up describes over a month of silence after an initial measurement. Anyone considering Royal Thermal View for a window, door or siding install has a long track record of specific, positive outcomes to point to. The question worth confirming up front, based on the last year of reviews, is how quickly a new inquiry gets a callback — especially if the job isn't urgent enough to follow up on repeatedly.
“I am in a town next door to Franklin, we used Royal Thermal View out of Mendon. They use harvey windows (or Anderson) and they were great to work with. I chose them because their costs were reasonable and I liked the method they used for replacement.”
The team at Royal view was great! Very efficient, professional and courteous. Install was great, site was spotless during the job and after. Owner was on site the whole time. Great work! Thank you!
I called them numerous times, spoke with people, left messages. No return calls! I need a few sashes replaced. This company did the original job years ago and I give them a 5 star rating back then, under new management this is not working out. I guess they don’t want the business. Poor business ethics .
Royal thermal view has been at my house for the last week, they finished my windows today and they look beautiful and only add to the detail of my home. The owner has been so reliable with communication and getting her crew out to handle my nit picks that I have had these past few days and I couldn't be happier! Thank you crew for their hardwork!
We called Royal because we used them previously on a different home and they did a great job. We have now used them on a new home and their customer service and timeliness has changed completely. It has taken multiple calls to get them to measure and install. It appears there is only one person who know what is going on because the person who answers the phone always defers to this woman who seems to run everything. Overall there is a total lack of communication and responsiveness. If you want a project completed in a timely manner I would recommend to look elsewhere.
They couldn’t have been nicer! They were so busy, so had to come a few times. But I had them do all our windows, plus sliding doors it was worth waiting for!! The two that installed our front and back doors went out of their way to make it all perfect!! Great staff, company and good products!
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Certified attributes are verified against the public registry. Others are the business's own statement.
1 change recorded — last scanned Aug 5, 2026.
Root-cause repairs5.0
Repair specialist5.0
Historic restoration expertise5.0
Honest guidance5.0
Fast scheduling4.6