Business Details
47 Years
experience
Trusted Connecticut Exterior Remodeling Since 1979
J C Tonnotti Window has been a trusted name in exterior home remodeling for over 40 years. Founded in 1979, our family-owned business specializes in windows, doors, roofing, and siding, delivering seamless installations backed by top-tier warranties. Our in-house crews ensure consistent quality, utilizing premium materials to enhance energy efficiency and curb appeal. We prioritize craftsmanship, offering personalized solutions tailored to each homeowner's needs. With decades of experience serving Central Connecticut, we stand behind our work with a three-step quality guarantee, ensuring customer satisfaction from start to finish. 
Services
Window Installation
Door Installation
Roof Replacement
Siding Installation
Sunroom Addition
Exterior Painting
Bay Windows
Entry Doors
Vinyl Siding
Roof Repair
Details
- Year established: 1979
Highlights and features
- We employ full-time, in-house crews for consistent quality and accountability.
- We offer one-stop exterior remodeling with warranties on all projects.
- We've served Connecticut homeowners for over 40 years with proven expertise.
- We complete most window and roof replacements in one day with minimal disruption.
- We back our work with manufacturer warranties and a 100% satisfaction guarantee.
Associations and certifications
- GAF Certified
What people say
One-day installations
Professional crews
Energy-efficient upgrades
40+ years experience
Warranty backed work
Services
Window Installation
Our window installation service enhances energy efficiency and curb appeal with premium Harvey products. We offer custom measurements, design consultations, and one-day installations with no subcontractors involved. Backed by manufacturer warranties, our double-hung, casement, and bay windows provide lasting durability and improved home comfort for Connecticut homeowners.
Roof Replacement
As GAF Certified contractors, we specialize in complete roof replacements using Tamko, GAF, and CertainTeed materials. Our one-day installations include tear-offs, inspections, and leak-proof repairs with in-house crews ensuring quality craftsmanship. We guarantee long-lasting protection against Connecticut's weather with comprehensive warranties covering materials and workmanship.
Siding Installation
We install premium vinyl, fiber cement, and insulated siding from CertainTeed, Mastic, and Alside. Our process includes design consultation, color selection, and professional installation that enhances insulation and durability. With over 40 years of experience, we ensure perfect finishes that boost curb appeal while protecting homes against New England weather conditions.
Door Installation
We provide Therma-Tru entry doors and Harvey storm doors with customized security and insulation features. Our installation process includes precise measurements, threshold sealing, and weatherstripping to maximize energy efficiency. Available in various materials and finishes, our doors combine aesthetic appeal with enhanced home security for Connecticut residences.
Sunroom Addition
We design and build custom sunrooms and patio enclosures that extend living spaces year-round. Using energy-efficient materials, we create functional spaces with proper insulation and weatherproofing. Our team handles everything from initial design to final installation, ensuring seamless integration with existing home architecture while maintaining structural integrity and aesthetic continuity.
Questions
What areas do you serve for exterior remodeling?
We serve Southington and surrounding Central Connecticut communities within a 45-minute radius, including Hartford, New Haven, and Waterbury.
Do you offer financing options for home improvement projects?
Yes, we provide 0% financing options for qualified customers to make exterior remodeling projects more affordable.
Are your window and roof installations completed in one day?
Most window and roof replacement projects are completed within a single day with minimal disruption to homeowners.
What warranties do you offer on your services?
We provide manufacturer warranties on materials plus our own service guarantees covering workmanship for all installed projects.
Are your crews subcontractors or company employees?
We exclusively use full-time, in-house crews for all projects to ensure consistent quality and accountability.
How long has your company been in business?
J.C. Tonnotti Window Company has been serving Connecticut homeowners since 1979, with over 40 years of exterior remodeling experience.
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