Expert remodeling
Window Installation & Replacement in Dix Hills, NY
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Window Replacement in Dix Hills That Delivers Comfort and Curb Appeal
Looking for expert window replacement in Dix Hills, NY? Thermo-Seal has been helping Long Island homeowners upgrade their windows for over four decades, delivering energy-efficient options that elevate both aesthetics and performance. Whether you're near Caledonia Park or in the Villages at Huntington, we customize every window installation to suit your home’s design and local climate conditions.
Our full-time, factory-trained installers handle every job—never subcontractors—so you can count on consistent workmanship and high-quality results. If your windows are drafty, outdated, or difficult to operate, we provide Dix Hills residents with tailored solutions built for long-term value.
Thermo-Seal Exterior Remodeling
Full-Service Window Installation in Dix Hills for Year-Round Efficiency
With frigid winters and humid summers, Dix Hills homes need windows that perform in every season. Thermo-Seal installs windows from trusted manufacturers like Andersen, built to insulate your home, reduce energy costs, and look great while doing it.
✔ Installed by skilled, in-house professionals
✔ Designed to perform in Dix Hills’ seasonal conditions
✔ Multiple materials and styles to match your home’s design
Why Dix Hills Homeowners Trust Thermo-Seal for Window Replacement
Thermo-Seal has completed over 20,000 home exterior projects since 1985, and homeowners throughout Dix Hills rely on us for our attention to detail, durable products, and personalized service.
Why homeowners in Dix Hills choose Thermo-Seal:
✔ Andersen Certified – Verified expertise in top-quality window installations
✔ No Subcontractors – All work is performed by our trained internal team
✔ A+ BBB Rating – Backed by decades of proven reliability
✔ Built to Withstand – Windows that hold up to Long Island’s climate
✔ Energy-Efficient Upgrades – Improve comfort and reduce heating and cooling bills
From the northern side near Vanderbilt Parkway to the southern neighborhoods of Dix Hills, we install windows that bring lasting benefits to every home.
Window Replacement in Dix Hills That Solves Everyday Issues
Outdated windows can lead to drafty rooms, higher utility bills, and unnecessary stress. Thermo-Seal installs windows in Dix Hills that address those common problems and enhance overall home performance.
✔ Drafty Rooms? We install tightly sealed, energy-efficient windows
✔ Difficult Windows? Modern replacements operate smoothly and effortlessly
✔ High Energy Costs? Our insulated options help reduce monthly bills
✔ Excessive Noise? Multi-pane glass helps create a quieter living space
Thermo-Seal delivers window replacement in Dix Hills that transforms your home from the inside out—with better performance, better protection, and better peace of mind.
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
