Expert remodeling
Remodeling Services in Long Island, NY
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Exterior Remodeling in Long Island That Boosts Protection and Curb Appeal
Looking for exterior remodeling in Long Island, NY? With over 40 years of proven experience, Thermo-Seal delivers expert upgrades in siding, roofing, windows, and doors—using top-tier materials and our own in-house team to ensure quality from start to finish.
Long Island’s homes—from the South Shore to the North Fork—face everything from coastal storms to harsh winters. Our remodeling services are designed to stand up to the island’s unique climate while complementing a wide range of architectural styles. Whether you’re looking to reduce energy loss or modernize your home’s look, we provide custom solutions that are built to last.
If your exterior is aging, inefficient, or just in need of a refresh, Thermo-Seal offers remodeling services on Long Island that deliver real performance and peace of mind.
Thermo-Seal Exterior Remodeling
Complete Remodeling Services in Long Island That Add Comfort and Efficiency
Thermo-Seal understands the specific needs of Long Island homeowners—weather-related damage, rising utility costs, and outdated materials. Our remodeling services solve these issues with precision and reliability, using trusted products from Andersen, GAF, Therma-Tru, and James Hardie.
Every project is handled by our trained, full-time staff—no subcontractors, ever—ensuring your remodeling experience is smooth and consistent.
✔ All work done by in-house, factory-trained experts
✔ Materials designed for Long Island’s demanding seasons
✔ Projects customized to fit your home’s architecture and your long-term goals
Why Long Island Homeowners Choose Thermo-Seal for Remodeling
Since 1985, Thermo-Seal has helped thousands of homeowners across Long Island, NY, transform their exteriors with durable, energy-efficient upgrades. With over 20,000 completed projects, we’ve built a reputation for quality, professionalism, and long-term results.
Why Long Island residents trust us:
✔ Certified by Top Manufacturers – GAF Master Elite, Andersen Certified, and more
✔ In-House Team – Every job completed by our skilled professionals
✔ Highly Rated – A+ with the BBB and multiple Angi Super Service Awards
✔ Durable Results – High-performance materials that hold up to Long Island’s elements
✔ Energy Efficient – Reduce energy waste with upgraded windows, siding, and roofing
From Nassau to Suffolk, homeowners throughout Long Island count on Thermo-Seal for expert remodeling that lasts.
Exterior Remodeling in Long Island That Solves Real Home Issues
Exterior remodeling in Long Island isn’t just cosmetic—it addresses the issues that cost you time, energy, and money. Thermo-Seal helps homeowners solve common problems with long-lasting, dependable upgrades.
✔ Worn Roof? Our installations are built to resist wind, rain, and seasonal changes
✔ Inefficient Windows? We install energy-smart replacements that lower your utility bills
✔ Aging Siding? Our fiber cement and vinyl options improve durability and appearance
✔ Old Doors? Secure, insulated doors that increase protection and entryway appeal
Thermo-Seal helps Long Island homeowners make smart upgrades that protect and improve their homes for years to come.
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
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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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