Expert remodeling
Window Installation & Replacement in Rockland County, NY
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Window Replacement in Rockland County That Improves Comfort and Efficiency
Looking for professional window replacement in Rockland County, NY? Thermo-Seal has been serving homeowners throughout the Hudson Valley for over 40 years, delivering custom window solutions that boost energy efficiency, comfort, and curb appeal. Whether you're in Nyack, Suffern, or New City, our window installations are tailored to your home's architecture and the seasonal weather demands of Rockland County.
Our experienced, in-house team handles every installation—never subcontracted—so you get reliable results from start to finish. If your windows are drafty, outdated, or difficult to operate, Thermo-Seal provides high-performance replacements designed to last.
Thermo-Seal Exterior Remodeling
Full-Service Window Installation in Rockland County Built for Performance
From harsh winters to humid summers, homes in Rockland County need windows that can keep up with the elements. Thermo-Seal installs top-rated, energy-efficient windows from trusted brands like Andersen—perfect for year-round insulation and long-term durability.
✔ In-house, factory-trained installers
✔ Designed to handle Rockland County’s seasonal shifts
✔ Window styles to fit both modern and traditional home designs
Why Rockland County Homeowners Trust Thermo-Seal for Window Replacement
Since 1985, Thermo-Seal has completed more than 20,000 exterior remodeling projects, including thousands of window installations across Rockland County. We’re known for expert craftsmanship, dependable service, and long-lasting results.
Why homeowners in Rockland County choose Thermo-Seal:
✔ Andersen Certified – Trusted expertise in premium window systems
✔ No Subcontractors – All work performed by our full-time professionals
✔ A+ BBB Rating – Backed by decades of homeowner satisfaction
✔ Durable Products – Built to withstand Rockland County’s weather extremes
✔ Improved Energy Efficiency – Helps reduce heating and cooling costs
From Piermont to Pearl River, Thermo-Seal is the name Rockland County homeowners trust for windows that perform as beautifully as they look.
Window Replacement in Rockland County That Solves Real Home Challenges
Old windows don’t just look outdated—they can cause drafts, increase your energy bills, and reduce home comfort. Thermo-Seal’s window replacement services in Rockland County tackle these issues head-on with modern, energy-efficient upgrades.
✔ Drafty Interiors? Our windows seal out cold and retain warmth
✔ Hard-to-Operate Windows? Enjoy smooth, functional replacements
✔ Rising Energy Bills? Our installations help lower utility usage
✔ Street Noise a Problem? Multi-pane glass options offer quiet, peaceful interiors
Thermo-Seal installs windows in Rockland County that deliver comfort, performance, and a noticeable upgrade to your home’s 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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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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