Belletetes is proud to be a partner with Marvin Windows & Doors and join them in their Built around you® philosophy to life with every customer and every product it creates. A premier manufacturer of made-to-order windows and doors, Marvin offers unparalleled value with craftsman-quality construction, energy-efficient technology and the industry’s most extensive selection of shapes, styles, sizes and options. Bringing you superior value through expert craftsmanship, the highest quality materials and an extraordinary level of service, only Marvin offers unmatched design flexibility with made-to-order windows and doors — and the industry’s most extensive selection of customization options.We don’t just sell you windows and doors – we work with you every step of the way, from consultation to design to installation, to make sure the whole process goes smoothly and finishes beautifully.

Here’s just some of what we can offer you:

  • Consultation: Whatever point you’re at with your project, we can jump in and help you along. Whether you’re just looking for ideas, need someone to visit your job site, or know exactly what you want, we’re here to help.
  • Design: Our design professionals at Belletetes are here to help you with every step in the building or remodeling process. Bring us a set of blue prints or dimensions of your existing space and we will work with you to design the home of your dreams. With custom windows by Marvin, we can help you create windows that are aesthetically and functionally one of a kind.
  • Installation: With our name behind every project, we want everything to look its best. So we don’t just hand you a pile of windows or a truckload of cabinets and say good luck – our installers make sure that every one of your windows & doors or cabinets & countertops go in perfectly and work smoothly.


As a homeowner, builder, remodeler, or architect, you can experience all the advantages that our 5,000 sq. ft. Millwork Showcase in Andover has to offer. With our full-size room displays, you can explore the experience of the quality of Marvin windows and doors. Our millwork professionals will help you to visualize how we have the right solution for all your projects – whether it’s remodel, replacement, or new construction. We offer installation services as well as a custom Millwork Showcase to meet your project’s individual needs.

  • Factory Trained and Certified Marvin and Integrity Coordinators
  • In Field Service
  • Free Quotations
  • On Site Measuring and Consulting
  • Extensive Selection of Millwork and Decorative Hardware
  • Blueprint Take-Off
  • Computer Aided Design

Marvin Windows and Doors

*Marvin Window and Door products are available at our Andover, Sunapee, and A&B Lumber – Pembroke & Moultonborough, NH locations.

New Project Coming Up?

Contact us with any questions you have! Our expert staff can help you get started.

Why Choose Us?

  • Expert Staff
  • Quality Products
  • Great Customer Service
  • Family-Operated For Over 120 Years