Expert remodeling
Siding Installation & Replacement in Westchester County, NY
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Siding in Westchester County That Offers Lasting Beauty and Protection
Looking for expert siding installation in Westchester County, NY? Thermo-Seal has been helping homeowners throughout the region improve their home’s exterior with durable, energy-efficient siding for over 40 years. From the historic streets of Bronxville to modern neighborhoods in White Plains, we tailor our siding services to fit the style and needs of every Westchester home.
Our in-house, factory-trained team handles all installations—never subcontractors—ensuring quality craftsmanship on every project. If your siding is faded, cracked, or simply outdated, we offer full replacement options built to handle the seasonal challenges of Westchester’s climate.
Thermo-Seal Exterior Remodeling
Complete Siding Solutions in Westchester County for Efficiency, Durability, and Style
Westchester homes face a wide range of weather—from hot summers to snowy winters—and your siding needs to keep up. Thermo-Seal installs top-performing vinyl and fiber cement siding from trusted brands like James Hardie, providing long-term value, improved insulation, and low-maintenance beauty.
✔ Expertly installed by our full-time, factory-trained team
✔ Materials designed to resist fading, moisture, and warping
✔ A variety of siding styles to match both classic and contemporary homes
Why Westchester County Homeowners Choose Thermo-Seal for Siding Replacement
Thermo-Seal has completed over 20,000 remodeling projects since 1985, including thousands of siding installations across Westchester County, NY. We’ve built our reputation on quality, integrity, and craftsmanship that lasts.
Why Westchester homeowners rely on Thermo-Seal:
✔ James Hardie Certified – Recognized expertise with industry-leading siding
✔ No Subcontractors – All work completed by our in-house professionals
✔ A+ BBB Rating – Trusted by homeowners throughout the region
✔ Built for Performance – Materials that stand up to Westchester’s seasonal demands
✔ Energy Savings – Siding that helps insulate and reduce energy loss
From Scarsdale to Mount Kisco, homeowners trust Thermo-Seal for siding solutions that are both practical and beautiful.
Siding Replacement in Westchester County That Solves Real Exterior Issues
Outdated or damaged siding can lead to moisture problems, poor energy efficiency, and fading curb appeal. Thermo-Seal’s siding replacement in Westchester County helps solve these issues while refreshing your home’s exterior.
✔ Cracks or Warping? Our siding resists impact and seasonal weather extremes
✔ Struggling with Insulation? We install materials that improve energy efficiency
✔ Tired of Frequent Maintenance? Choose options that hold color and resist wear
✔ Water Damage Concerns? Fiber cement and vinyl options protect against rot and mold
Thermo-Seal delivers siding in Westchester County that protects your home while elevating its look and value.
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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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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