Expert remodeling
Remodeling Services in Nassau County
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Exterior Remodeling in Nassau County That Improves and Protects Your Home
Looking for trusted remodeling services in Nassau County, NY? Thermo-Seal has been a go-to name in exterior upgrades for over 40 years, offering expert solutions in windows, roofing, siding, and doors. We bring together premium materials, skilled in-house teams, and top-rated service to deliver remodeling results that improve both appearance and durability.
From energy-efficient windows to reinforced roofing systems, our approach makes it simple to upgrade your home's exterior while protecting it from the unpredictable weather of Nassau County.
Whether you're updating worn siding or replacing old entry doors, our licensed experts offer tailored solutions backed by leading warranties and certifications. With homes ranging from historic styles in Garden City to coastal homes near Long Beach, Nassau County homeowners trust Thermo-Seal to deliver long-term exterior performance.
Thermo-Seal Exterior Remodeling
Remodeling Services in Nassau County That Add Comfort, Value, and Energy Efficiency
At Thermo-Seal, we understand the everyday issues homeowners in Nassau County deal with: drafty windows, aging materials, storm damage, and rising utility bills. Our remodeling services are designed to fix these problems with precision and long-lasting results.
Whether you want a new look, better insulation, or a higher property value, we use products from top names like Andersen, GAF, James Hardie, and Therma-Tru—brands known for durability and performance.
✔ All projects completed by our factory-trained, full-time crew
✔ No outside labor—just trusted, in-house professionals
✔ Materials and installation designed to last through Nassau County's changing seasons
Why Nassau County Homeowners Choose Thermo-Seal for Remodeling
Homeowners across Nassau County, NY, have relied on Thermo-Seal since 1985 for high-quality exterior remodeling. With more than 20,000 projects completed, our reputation is built on integrity, craftsmanship, and consistent results.
Here’s why Nassau County residents choose us:
✔ Certified Experts – GAF Master Elite and Andersen Certified for top-tier installations
✔ In-House Crews – All work is handled by our professional staff, never subcontractors
✔ Award-Winning Service – Recognized by Angi and the BBB for customer satisfaction
✔ Built to Last – Our high-performance materials are designed for long-term protection
✔ Energy Efficiency – Remodeling options that lower heating and cooling costs year-round
Whether you're in Hempstead, Levittown, or Great Neck, Thermo-Seal delivers remodeling solutions Nassau County homeowners can count on.
Exterior Remodeling in Nassau County That Solves Everyday Home Issues
More than just improving curb appeal, exterior remodeling in Nassau County addresses real problems that impact your comfort and budget. Thermo-Seal helps homeowners resolve these issues with dependable upgrades:
✔ Roof Trouble? We install weather-resistant roofing systems designed to handle Long Island’s storms
✔ Inefficient Windows? Swap them for modern, insulated models that improve comfort and reduce energy waste
✔ Outdated Siding? Choose from vinyl or fiber cement siding that boosts appearance and weather protection
✔ Old Doors? Our secure, stylish doors help seal out the elements while upgrading your entryways
Thermo-Seal helps Nassau County homeowners tackle the issues costing them time, energy, and money—one expertly installed upgrade at a time.
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.
Request A Free Estimate
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!
CONTACT US
Send us a Message
Service Area Bottom
5.0+
GOOGLE RATING
