Windows for Every Style, Project, and Home in CT & Western MA

Whether you’re replacing one window or outfitting an entire building, SEVEN SUN offers a wide range of premium replacement windows designed to fit your vision, your budget, and your performance goals. From classic double-hung and casement styles to modern European tilt + turn windows, we offer solutions for residential, commercial, new construction, and everything in between. Start your project today with a FAST Free Quote and expert advice.

Residential Windows

Designed for everyday comfort, curb appeal, and long-term performance — with or without installation. Explore double-hung, casement, picture, bay, bow, sliding, awning, and more.

European Tilt + Turn Windows

Modern European function meets superior thermal performance and style. Perfect for homes looking for elegance, flexibility, and ventilation control.

Black Windows

Sleek, dramatic, and architectural — our black window collections offer bold contrast and modern curb appeal for any home style.

New Construction Windows

Build smart from the start with windows designed for new construction and additions. Nail-fin ready and energy-efficient.

Commercial Windows

Durable, code-compliant solutions for multi-family, office, retail, and large-scale projects. Available with or without installation.

At SEVEN SUN, we’re more than window installers — we’re problem solvers and design advisors. Whether you’re replacing outdated units, expanding your home, or planning a full renovation, we offer window solutions that match your lifestyle and long-term goals.

From high-performance European systems to classic American styles, our windows are selected for beauty, durability, and energy efficiency. Contact us today to get a FAST Free Quote for your window project in Connecticut or Western Massachusetts