Business Details
50+ Years
experience
Your Trusted Window & Door Experts in New England
JB Sash & Door has been New England's trusted window and door provider for over 85 years. As the leading Marvin retailer in the region, we specialize in delivering high-quality products and services for new construction, remodeling, and replacement projects. Our expertise extends to historically accurate window reproductions for Boston's historic districts, ensuring compliance with preservation standards while maintaining modern performance. With a state-of-the-art showroom in Chelsea, Massachusetts, we offer hands-on product experiences and expert guidance through every project phase. Our comprehensive services include custom millwork, paint finishing, architectural support, and turnkey installation solutions for residential and commercial clients.Backed by decades of local experience, our team of designers, artisans, and installation specialists provides personalized service from initial consultation to final execution. We maintain partnerships with top-tier manufacturers to ensure product excellence while offering region-specific solutions that address New England's unique architectural challenges. Our commitment to quality is demonstrated through precise craftsmanship, adherence to industry standards, and a focus on client satisfaction throughout the project lifecycle.
Services
Window Replacement
Door Installation
Historic Reproductions
Custom Millwork
Skylight Solutions
Architectural Support
Commercial Services
Contractor Solutions
Showroom Consultations
Paint Finishing Services
Details
- Year established: 1940
Highlights and features
- 85+ years of New England window and door expertise
- Largest Marvin dealer in the Northeast region
- Specialized historic district window reproductions since 1940
- Full-service showroom with hands-on product experience
- Comprehensive turnkey installation solutions for all projects
What people say
Professional installations
Quality craftsmanship
Historic district expertise
Timely service
Expert guidance
Services
Window Replacement
Our window replacement service provides energy-efficient upgrades for residential and commercial properties. We offer Marvin's full product line including Ultimate, Elevate, and Essential collections with fiberglass exteriors and wood interiors. Our team handles historic district projects requiring permit acquisition and design approval while maintaining architectural integrity. Each replacement includes professional installation and performance optimization.
Historic Reproductions
Specializing in Boston's historic districts since 1940, we create exact window and door reproductions matching original designs. Our craftsmen fabricate custom profiles that fit brick or wood openings while meeting modern energy standards. The service includes historic permit assistance and period-accurate finishing options to preserve building character while improving functionality.
Custom Millwork
Our in-house millwork shop produces custom window and door components to exact specifications. With 80+ years of experience, we create unique profiles, specialty shapes, and historically accurate details. The service includes design consultation, material selection, and precision manufacturing for both traditional and contemporary applications requiring bespoke solutions.
Architectural Support
We provide technical expertise for complex architectural projects including custom technical drawings and product specification guidance. Our specialists collaborate with design professionals on commercial and residential projects, offering continuing education and on-site consultation. The service includes submittal support and performance-based product recommendations for demanding architectural applications.
Showroom Consultations
Our Chelsea showroom features the largest Marvin product display in New England with hands-on access to windows, doors, and hardware. Expert consultants guide clients through material, style, and performance options for residential and commercial applications. The service includes interactive product demonstrations and design coordination for comprehensive project planning.
People
Rick Bertolami
Owner & CEO
Third-generation leader with over 30 years in the window industry, maintaining family commitment to quality since 1940. Focuses on preserving historic craftsmanship while adopting modern technologies.
Ron Bertolami
Owner & CEO
Co-owner with extensive experience in manufacturing operations and product development, ensuring technical excellence in custom millwork and historic reproductions.
Sal Bertolami
Owner & CEO
Senior executive overseeing strategic growth while maintaining core values of craftsmanship and customer service established in the company's founding year.
Jim Olender
Architectural Sales & Business Development
LEED-certified professional with 25+ years supporting architects on complex design projects, specializing in technical solutions for challenging architectural details.
Betsy Ellery
Senior Architectural Support
Architectural specialist with 20+ years assisting design professionals on commercial and residential projects, focusing on custom technical drawings and product specifications.
Questions
Do you handle historic district window replacements?
Yes, we specialize in historic reproductions since 1940 with permit assistance and period-accurate designs for Boston's historic districts.
What window brands do you offer?
We are New England's largest Marvin dealer and also offer Mathews Brothers, Spencer Walcott, and Proper Bostonian collections.
Do you provide commercial window solutions?
Yes, our Commercial Solutions team handles large-scale projects with custom technical drawings and on-site support for institutional buildings.
Can I visit your showroom?
Our Chelsea, MA showroom is open Monday-Friday 7:30am-4:30pm with expert guidance for product selection.
Do you offer contractor services?
Yes, we support contractors with product selection, shop drawings, on-site consultations, and job-site delivery for residential and commercial projects.
What areas do you serve?
We serve all New England states with primary focus on Massachusetts including Boston, Cambridge, and surrounding communities.
Reviews (7)
Betsy T.
Jun 22, 2022
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We had a great salesperson come to our home and measure for a door. After leaving and submitting an invoice with only a stock door (so we could decide on style and color), the problems began. We emailed the office contact we were given multiple times to obtain color and hardware information. When we did get a response, it was unclear the options and inconsistent information was given. We were frustrated, so we gave up for a couple weeks.
When we tried to reengage, we were told they are no longer doing doors. This is inconsistent with their website and phone system. The contact also said they had followed up with us - not true. We're unsure if they are not telling the truth to avoid the work or that they were caught not servicing customers.
When we tried to reengage, we were told they are no longer doing doors. This is inconsistent with their website and phone system. The contact also said they had followed up with us - not true. We're unsure if they are not telling the truth to avoid the work or that they were caught not servicing customers.
Chris M.
May 22, 2022
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First it took many calls and emails and follow ups to get an appt. Keystone cops internally as is how it appeared. When their "technician" finally came out he was more interested in random chit chat then talking about the project. After a few weeks they finally got back to us and said they weren't interested in the job. It was small : two doors and two custom windows plus installation. Some years ago this seemed like a very different company. Very disappointed
Kim Nguyen
Nov 18, 2021
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Yikes. It's disheartening to hear the experience that my husband had with this company; more specifically, the interaction that was had with one of the owners, Ron. In short, he was belittling and lacked professionalism in his course of action when handling a customer's request. It's definitely surprising to see this coming from the leadership team at JB Sash and Door. Overall, great products. Just be mindful that your requests and/or concerns may not be valued.
Giorgio M.
Sep 30, 2021
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They delivered a wrong window 2 times and when they got it right few parts were missing. I had to install 9 windows in total. It took half a year and it has been a nightmare.
Giorgio Mariano
Jul 06, 2021
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JB Sash were supposed to replace 9 windows in my apartment. The day of the installment they realized, even after two early measurements, that one of the windows was the wrong size. They realized that only after they have already removed my old window and had to reinstall again the old one in a very precarious way. I had to wait more that 6 weeks before having them coming again with the new window.
And then what happened? They took the measurement wrong again and came with a wrong window again! I thought this was a joke, doing twice the same mistake without any consideration. I have been waiting now more than 3 months to have all windows replaced. Not a good service. If you have alternatives I would suggest to go somewhere else.
And then what happened? They took the measurement wrong again and came with a wrong window again! I thought this was a joke, doing twice the same mistake without any consideration. I have been waiting now more than 3 months to have all windows replaced. Not a good service. If you have alternatives I would suggest to go somewhere else.
Sean Zheng
Jul 03, 2021
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Jackie is wonderful. She helped me narrow down and purchased my entry door. Very responsive both over the phone and through email.
Roger S.
Jun 02, 2021
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About 10 years ago ordered about $30K of Marvin windows through them with removable grills (biggest mistake ever). They have never fit. They finally had to send someone out to custom make them. They are now starting to fall out again.and shatter. JB Sash will not support. Very disappointing. Won't go to them again.
