Expert remodeling
Siding Installation & Replacement in Greenwich, CT
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Siding in Greenwich That Protects Against Coastal Conditions and Elevates Style
Need professional siding installation in Greenwich, CT? For over 40 years, Thermo-Seal has been helping Fairfield County homeowners improve their homes with siding that offers both protection and a polished, timeless appearance. Whether your property is in Old Greenwich, Riverside, or the backcountry, our siding solutions in Greenwich are designed to match the area’s upscale aesthetic while standing strong against Connecticut’s coastal climate.
We never use subcontractors—every project is completed by our in-house, factory-trained professionals to ensure consistent quality. If your home’s exterior is showing signs of age or wear, Thermo-Seal offers siding replacement in Greenwich that delivers long-term value and beauty.
Thermo-Seal Exterior Remodeling
Full-Service Siding Installation in Greenwich Built for Harsh Weather
Greenwich homeowners face seasonal extremes—from coastal winds and salt air to winter storms and summer humidity. That’s why we install premium siding from trusted brands like James Hardie, engineered to resist weathering and improve energy efficiency.
✔ Installed by our certified, full-time crew
✔ Designed to perform in Greenwich’s year-round climate
✔ Offered in a wide range of textures, colors, and styles to suit your home’s design
Why Greenwich Homeowners Choose Thermo-Seal for Siding
With more than 20,000 exterior renovations completed since 1985, Thermo-Seal is one of the most trusted names in siding installation across Fairfield County. Homeowners in Greenwich count on us for craftsmanship, durability, and honest service.
Why residents of Greenwich rely on Thermo-Seal:
✔ James Hardie Certified – Experts in fiber cement siding that lasts
✔ No Subcontractors – All work completed by our trained in-house team
✔ A+ BBB Rating – Known throughout Connecticut for quality and reliability
✔ Weather-Resistant Siding – Built to handle wind, rain, and UV exposure
✔ Energy Efficiency – Improves insulation and lowers your energy bills
From Belle Haven to Cos Cob, Thermo-Seal installs siding in Greenwich that protects your investment and upgrades your curb appeal.
Siding in Greenwich That Solves Common Home Exterior Issues
Worn or outdated siding can lead to rising energy costs, moisture problems, and constant upkeep. Thermo-Seal installs siding in Greenwich that addresses these problems with durable, low-maintenance materials.
✔ Rotting or Cracking Siding? Our products resist moisture, warping, and impact
✔ Poor Insulation? Insulated siding improves temperature control and comfort
✔ Too Much Maintenance? Low-maintenance siding stays beautiful year-round
✔ Weather Damage? Designed to endure the harsh conditions of coastal Connecticut
Thermo-Seal’s siding installation in Greenwich offers peace of mind, improved performance, and a fresh, refined look for 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
Services We Offer:
Upgrade Your Home Now & Pay Later – Interest Free!
For a limited time, enjoy convenient financing with 0% interest for up to 25 months.
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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