Product Lines
Wholesale Products
• Masonite
• Velux
• Ventana
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Wholesale Products

Here at Diamond Windows & Doors, we realize that there are many needs in today’s window market.  While Diamond Windows’ primary goal is to manufacturer the best value vinyl and aluminum windows in New England, we would be remiss to ignore our customer’s other window needs.  That is why we have partnered ourselves with Velux, and Ventana.  In addition to these vendors, we also distribute Masonite steel and fiberglass doors to satisfy our customer’s entry system needs.  Diamond Windows & Doors has carefully selected these companies based on the integrity of their products and the value to our customers.

Velux is a pioneer in the skylight industry with origins from Denmark.  To this day, they remain the leading brand when it comes to daylight openings in the roof of a home.

Ventana is leader in architecturally shaped vinyl windows.  They have years of experience in a niche market.

Masonite is known worldwide for their quality doorway systems.  We are proud to provide their steel and fiberglass entry systems.

With this family of products, Diamond Windows & Doors strives to be a leading provider in the New England area for your fenestration needs.

2000 Series (Welded Sash) 3000 Series (All Welded)
4000 Series 6000 Series
Bay and Bow Windows
Visit the Energy Star Website Visit the National Association of The Remodeling Industry Visit the National Fenestration Rating Council Website