Premium Replacement Windows for Connecticut and Massachusetts Homes

SEVEN SUN offers a wide selection of residential replacement windows for homes across Connecticut and Western Massachusetts — available with or without professional installation. Whether you’re upgrading for better energy efficiency, improved curb appeal, or smooth everyday operation, we’ll help you choose the right style for your space. Contact us today for a personalized quote and expert guidance.

Window Styles for Every Room and Home Design

We carry all the most popular window types, from traditional to contemporary — including double-hung, casement, picture, bay, bow, sliding, awning, garden, and more. Choose from clean white frames, modern black finishes, and wood-look interiors to match your aesthetic.

Energy-Efficient Windows with Long-Term Value

All our residential windows meet or exceed ENERGY STAR® guidelines and feature insulated glass, low-emissivity coatings, and multi-chambered frames. Whether you’re staying long-term or prepping to sell, our windows deliver year-round comfort and long-term ROI.

Replacement Only or Full-Service Installation – You Decide

We work with homeowners, contractors, DIY clients, and developers. Whether you need full installation or supply-only windows for your own crew, we tailor the solution to your needs. Every product comes backed by strong warranties and our expert support team.

When it comes to residential replacement windows, SEVEN SUN combines premium quality with expert service and down-to-earth prices. We help homeowners across CT and Western MA transform their spaces with beautiful, efficient windows that last.

From consultation to installation — or just delivery — we make the process easy, clean, and reliable. Start your project today with a FAST Free Quote and see why more homeowners choose SEVEN SUN.