Interior Finishes

Easy-clean vinyl replacement windows

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Warmth and durability from National Vinyl windows.

R.G. Penfield & Sons, Inc. features and installs high-performance, energy-efficient and affordable vinyl replacement and new construction windows from National Vinyl. Key features include: KryptoLite/Low-E National Vinyl manufactures superior insulated clear glass, Low-E, or Low-E with argon gas windows engineered to meet today’s demanding energy standards for thermal performance. National Vinyl introduced Krypto-Lite, a revolutionary […]

Windows & Doors

Vinyl windows with Duralite® technology

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Beautiful energy efficient windows from National Vinyl.

At R.G. Penfield & Sons we strive to offer our customers the highest quality products at affordable prices. We are always on the lookout for new and improved technologies to give you safer, stronger, better insulated and easier to maintain products. As a result, we feature vinyl windows from National Vinyl in Chicopee, MA. National […]

Interior Finishes

Replace my broken window!

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Curve ball

Broken windows … old, worn out windows. When life throws a curve ball at one or more of your window take “Curve Ball” Carson’s advise and call his “gramps” Mark, at R.G. Penfield & Sons. He and his crews install quality energy star replacement or new construction windows and doors for homes and businesses including […]