Thermo-Seal Windows, Siding And Roofing
Business hours
| Monday | 9:00am to 7:00pm |
| Tuesday | 9:00am to 7:00pm |
| Wednesday | 9:00am to 7:00pm |
| Thursday | 9:00am to 7:00pm |
| Friday | 9:00am to 7:00pm |
| Saturday | 9:00am to 7:00pm |
| Sunday | - |
About us
Looking for expert home exterior services in Nassau & Suffolk County? Thermo-Seal is Long Island’s trusted choice for high-performance windows, siding, and roofing. Proudly serving Smithtown, Huntington, Commack, and beyond, we bring over 30 years of experience to every project. Our team is known for energy-efficient installations, exceptional craftsmanship, and reliable customer service.
Whether you're upgrading curb appeal or cutting energy costs, Thermo-Seal delivers quality that lasts. We use top-rated materials that meet today’s performance standards—backed by local testimonials and long-term value.
Contact us today for a free quote and discover how we can improve your home’s comfort, efficiency, and value.
Get a Free In-Home Consultation Today
| Payment options | American Express, Cash, Check, Discover, Financing, MasterCard, Visa |
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605 Montauk Hwy , Bayport, New York, 11705