Soak Up the Sun with Windows and Doors by Marvin



Windows and doors built with quality and craftsmanship, offering you peace of mind and the freedom to relax indoors.

 Install NEW windows and earn up to $1500 back!* 

Let us help you make the most of any project.  Please use the form to contact us.

*JB Sash & Door is offering $50 back per window or door by Marvin replaced or installed. Units must be installed by JB Sash & Door. Minimum purchase of 5 windows or doors by Marvin to qualify. $1,500 maximum rebate per household. Offer ends August 31, 2019.


Every Marvin window and door is made to order, one at a time, with craftsman-quality construction. To protect your home, we demand precision from every angle with pieces that are built to last.



With the industry's most extensive selection of shapes, styles, sizes and options, the possibilities are endless. Marvin windows and doors are built to the specifications of your imagination. Your vision of home is what guides our craft.



Enjoy both comfort and performance in any climate with energy-efficient windows and doors. Our technology is designed to maximize utility cost savings while minimizing environmental impact, making your home a place that works for you.



Schedule a visit with one of our friendly professionals for the ultimate Marvin showroom experience.

Fill out the form, give us a call or come visit our showroom to explore solutions for your window and door project today. 



Experience, Customer Service and Flexibility are the hallmarks of JB Sash. We have been leaders in the window and door business for 75 years.

Our professional staff is highly knowledgeable and trained to help you find the right products for any project. We offer an extensive range of services including shop drawings, custom carpentry, delivery, replacement and installation. In addition to an onsite manufacturing facility and warehouse, our convenient Chelsea location features a beautiful showroom which is open to the public.

No matter what you’re looking for, JB Sash can either order it or make it... to your specifications.

280 2nd St, Chelsea, MA 02150 | (877) JBSASH1