J. C. Tonnotti Window Company is a family owned and operated company, established in 1979, offering a variety of home improvement services for over 40 years, ranging from installation of custom ordered windows, doors, siding and roofing. We have helped homeowners across the state of Connecticut transform their homes with a level of quality craftsmanship and excellent customer service that gives you peace of mind.

We pride ourselves on putting our best efforts into every project, whether it’s installing energy-efficient replacement windows, preserving and protecting your home with a new roof, refacing your home with new siding, or refreshing an entryway with a new door system.

At J.C. Tonnotti, we proudly serve homeowners throughout Central Connecticut, providing expert exterior remodeling solutions, including windows, doors, roofing, siding, and exterior wood rot repair. Based in Southington, CT, we primarily service areas within a 45-minute radius, ensuring prompt, reliable service to communities such as Hartford, New Haven, Waterbury, and surrounding towns. With over 40 years of experience, we are a trusted name in the industry, delivering high-quality craftsmanship and superior customer service to homeowners across the region.

Wondering if we service your location? You can always  give us a call to make sure.