About the J.C. Tonnotti Window Company
Family Owned & Operated Since 1979
The J. C. Tonnotti Window Company is based at 205 Bristol Street Southington, CT.
As a fully Licensed (#0614190) and insured home improvement company, we have been installing energy efficient exterior home improvements, including windows and doors since 1979.
The business is a family owned and operated general contracting business specializing in exterior improvements geared to increasing your home’s energy efficiency and retaining its value.

Joe and Faith Tonnotti, owners of the J. C. Tonnotti Window Company stand behind the motto “A Name You Can Rely On”.
Our team of general contractors are also experienced in installing 3 season sun rooms, hanging shutters, connecting seamless gutters, installing vinyl siding as well as historical renovations and wood rot repairs.
Sales Team
Our Sales Rep, Dean Cochrane understands your needs and will listen before offering home improvement solutions. Our in- home estimates are always free and no pressure!

Certifications
Our company is certified with the United States Environmental Protection Agency as a Lead Safe Certified Firm. This means that we have fulfilled the requirements of the Toxic Substances Control Act (TSCA) and has received certification to conduct lead-based paint renovation, repair and painting activities.
Quality Customer Service- We’re not happy unless our customers are happy! Because of our customer-first policy, J. C. Tonnotti Window Company, Inc. has established itself as one of Connecticut’s leading replacement window and home improvement companies. To achieve our goal of customer satisfaction, we remain dedicated to the philosophies that have inspired Joe and Faith Tonnotti since they created the company.
Our mission is to strive to:
- use the best materials
- train and work with superior craftsman
- completely satisfy our customer
- avoid shortcuts that compromise the integrity of your home
- continue to install only quality windows, doors & 3 season rooms.
Competitive Pricing – We offer special discounts to senior citizens and provide tailor made financing to fit everyone’s budget. Stay informed about our specials and promotions – join our e-Club. Check out our Specials Page & our Web Site Coupon!
866-621-1642