office@jctonnotti.com
205 Bristol Street, Southington, Connecticut 06489, United States
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A Name You Can Rely On
Windows + Doors + Siding + Roofing + More
For over
40 years,
J.C. Tonnotti Window Company
has been Connecticut’s trusted expert in
windows,
doors,
roofing,
siding, and complete exterior remodeling. With
in-house crews, top-quality materials, and a commitment to craftsmanship, we deliver
seamless, stress-free installations backed by strong warranties and exceptional service.
OR GIVE US A CALL
A Name You Can Rely On
Windows + Doors + Siding + Roofing + More
For over 40 years, J.C. Tonnotti Window Company has been Connecticut’s trusted expert in windows, doors, roofing, siding, and complete exterior remodeling. With in-house crews, top-quality materials, and a commitment to craftsmanship, we deliver seamless, stress-free installations backed by strong warranties and exceptional service.
OR GIVE US A CALL
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.
TESTIMONIALS
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.
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.
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.
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.
OR GIVE US A CALL
Comprehensive Home Improvement Services – From Stunning Windows to Durable Roofing, Designed to Elevate Your Home’s Comfort, Style, and Value
Upgrade your home with energy-efficient, high-quality windows from J.C. Tonnotti. We offer expert installation of double-hung, casement, bay, bow, and custom windows to enhance curb appeal, improve insulation, and increase home value.
From entry doors to patio and storm doors, we provide top-tier door installations that combine security, style, and durability. Choose from a variety of materials, We provided the best fiberglass insulated doors, for a perfect fit for your home.
Protect and beautify your home with our premium siding solutions. Whether you prefer vinyl, fiber cement, or insulated siding, our expert team ensures a seamless installation that enhances energy efficiency and curb appeal.
A strong roof is essential for protecting your home. We specialize in roof replacements and installations, using high-quality materials from GAF, CertainTeed, and Tamko to ensure durability, longevity, and superior weather resistance.
Discover Why Homeowners Across Connecticut Choose Us for Quality, Reliability, and Exceptional Results
Explore Our Portfolio of Transformative Projects and See How We Bring Quality and Craftsmanship to Every Home
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Discover Expert Advice, Industry Trends, and Practical Tips to Help You Make Informed Decisions About Your Home Improvement Projects
Proudly Serving Homeowners Across Southington and Surrounding Areas
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.
Family Owned & Operated for Over 40 Years
Reach out to us for personalized solutions and expert assistance.
Our Mission at J. C. Tonnotti Window Company is to exceed our client’s expectations by offering superior craftsmanship and outstanding customer service.
205 Bristol Street, Southington, Connecticut 06489, United States
CT Home Improvement Lic 614190
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