Expert remodeling
Remodeling Services in Cos Cob, CT
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Exterior Remodeling in Cos Cob That Enhances Style and Year-Round Protection
Looking for dependable remodeling in Cos Cob, CT? Thermo-Seal has been upgrading home exteriors across Fairfield County for over 40 years. Specializing in windows, siding, roofing, and doors, we deliver tailored solutions that improve comfort, boost efficiency, and enhance curb appeal—without the hassle.
From charming older homes near the Cos Cob Harbor to updated residences in nearby neighborhoods, we customize every project to match the area's coastal character and weather demands. Our in-house, factory-trained team ensures high-quality installation from start to finish—no subcontractors.
Whether your home needs modern upgrades or performance improvements, Thermo-Seal offers remodeling in Cos Cob that’s built to last and made to fit your home.
Thermo-Seal Exterior Remodeling
Full-Service Remodeling in Cos Cob That Improves Efficiency and Visual Appeal
Cos Cob homeowners often face exterior issues caused by seasonal changes, coastal air, and general wear and tear. Thermo-Seal provides full-service remodeling using industry-leading materials from Andersen, GAF, James Hardie, and Therma-Tru.
We don’t outsource your project. Our full-time, experienced team handles every detail to ensure a consistent, professional result.
✔ Factory-trained in-house crews on every job
✔ Durable materials chosen for Cos Cob’s shoreline climate
✔ Remodeling options designed to suit your home’s architecture and performance goals
Why Cos Cob Homeowners Choose Thermo-Seal for Remodeling
Since 1985, Thermo-Seal has earned the trust of homeowners across Cos Cob, CT, by delivering quality exterior upgrades and dependable service. With more than 20,000 projects completed, we’ve built our reputation on results that last.
Why Cos Cob residents choose Thermo-Seal:
✔ Manufacturer Certified – GAF Master Elite and Andersen Certified for expert installation
✔ No Subcontractors – All work is completed by our trusted, full-time staff
✔ Reputation You Can Trust – A+ BBB rating and Angi Super Service Awards
✔ Long-Lasting Products – Materials built to withstand Connecticut's seasonal extremes
✔ Better Energy Efficiency – Insulated upgrades that reduce drafts and cut energy bills
From Valleywood Road to Bible Street, Cos Cob homeowners turn to Thermo-Seal for remodeling that balances beauty with performance.
Remodeling in Cos Cob That Solves Common Exterior Home Issues
Our remodeling services go beyond appearances. Thermo-Seal helps Cos Cob homeowners fix the everyday issues that come with aging exteriors and fluctuating temperatures.
✔ Roof Problems? We install durable roofing systems built for Northeast weather
✔ Outdated Windows? Our energy-efficient replacements keep your home comfortable
✔ Damaged Siding? Choose from low-maintenance vinyl or fiber cement that lasts
✔ Inefficient Doors? Upgrade to stylish, secure models that improve insulation and safety
Thermo-Seal provides Cos Cob with remodeling solutions that solve real problems while enhancing the look and function of your home.
Schedule Your Free Estimate Today
Ready to transform your home’s exterior with expert remodeling that lasts? Contact Thermo-Seal today for a free in-home estimate and experience why thousands of homeowners across New York and Connecticut trust us for windows, siding, roofing, doors, and more.
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Service Area
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Upgrade Your Home Now & Pay Later – Interest Free!
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Contact Info.
Phone Number:
Email Address:
Showroom:
456 Sunrise Highway, Rockville Center NY 11570 - (516) 689-7214
Rye Corporate Office:
411 Theodore Fremd Avenue, Rye NY 10580 - (914) 635-3748
Stamford Office:
263 Tresser Blvd., Stamford, CT 06901 - (203) 990-1812
Melville Office:
68 South Service Road., Melville NY 11747 - (631) 710-6937
CLIENT REVIEWS
What Our Clients Are Saying About Us
Thermo-seal Windows provides exceptional customer service alongside high-quality products. Recently, I had the majority of my home's windows replaced by Aaron's team, and their performance was nothing short of impressive. They arrived on time, maintained a tidy work area, and dedicated themselves to ensuring a perfect installation of the windows.
Aaron and his team were amazing, from start to finish! They worked with us every step of the way and Aaron was always just a call or text away to answer any questions we had. The windows are perfect and we love them. We highly recommend working with Aaron and his team. They are professional, courteous and their work is top notch!
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