FAMILY OWNED AND OPERATED FOR OVER 40 YEARS
About J.C. Tonnotti Window Company
Our mission at J.C. Tonnotti Window Company is to exceed our clients’ expectations by offering superior craftsmanship and outstanding customer service.
“We measure our success by the relationships we build.”
At J.C. Tonnotti Window Company we pledge to expertly install the finest quality products, offer fair prices with the best terms available, service each installation to your complete satisfaction and back your project of all this with a written guarantee.
Three-step Quality Workmanship Guarantee
- Supervision and Inspection
Prior to installation, we will inspect homes to ensure instructions are clear and mistakes are prevented. AAMA certified team leaders closely supervise all work. Our goal is, “No Confusion and No Surprises!” - Installation
All of our installation crews are highly experienced, factory-trained, and certified specialists. Our courteous, professional installers always clean up the job once completed. - Post Inspection Approval
Customers will be asked to be part of a post-inspection approval process. The clients inspect the work we’ve done on home improvement projects alongside a member of our team and approve it prior to final payments.
J.C. Tonnotti Window Company successfully implemented a customer service policy where the customer is always first. We are not happy unless the customer is happy.
Trusted by Homeowners Across Connecticut
Real reviews from satisfied customers who love our craftsmanship, quality, and service.
WHY CONNECTICUT HOMEOWNERS CHOOSE JC TONNOTTI
True In-House Crews – No Subcontractors
Unlike many competitors who outsource labor, J.C. Tonnotti employs full-time, in-house crews for every project. This ensures consistent quality, expert craftsmanship, and accountability from start to finish—giving homeowners peace of mind knowing exactly who is working on their home.
Complete One-Stop Exterior Remodeling
From windows and doors to roofing, siding, and sunrooms, J.C. Tonnotti measures, designs, installs, services, and warranties every project under one roof. Customers don’t have to juggle multiple contractors—we handle everything with professional trucks, expert installers, and dedicated office staff to ensure a seamless experience.
40+ Years of Local, Family-Owned Excellence
Founded in 1979, J.C. Tonnotti has been a trusted name in exterior remodeling for over 40 years. Unlike newer companies that come and go, we’ve built a strong reputation in Connecticut, operating from the same Southington location for decades. Homeowners choose us because they know we’ll be here to stand behind our work for years to come.
Fast, Professional Installations with Strong Warranties
Our team specializes in efficient, high-quality installations—often completing projects like window and roof replacements in just one day. We also back our work with manufacturer warranties and our own service guarantees, so customers can trust their investment is protected for the long haul.
