Expert Window Installation & Replacement
Window Replacement in New York City
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Trusted Window Replacement in New York City Since 1985
Searching for expert window replacement in New York City? For over 40 years, Thermo-Seal has served homeowners across the Tri-State Area with high-quality windows and professional installation. We specialize in energy-efficient upgrades that enhance comfort, lower utility costs, and complement NYC’s diverse range of home styles.
Whether you're dealing with drafty windows in a brownstone or need a modern update for a high-rise apartment, Thermo-Seal delivers flawless window replacement throughout New York City.
From Manhattan to Queens, Brooklyn to the Bronx, we proudly serve all five boroughs with solutions tailored to the city’s unique architecture, climate, and building codes.
Thermo-Seal window replacement
Enhance Comfort, Efficiency & Curb Appeal With Professional Window Replacement in New York City
Windows in New York City homes do more than provide a view—they affect your home’s efficiency, comfort, and quiet. Thermo-Seal’s window replacement services are built to solve common issues like poor insulation, noise intrusion, and worn frames. We install premium products from brands like Andersen, Pella, and Harvey—designed to perform in the demanding conditions of NYC living.
Our New York City window replacement options include:
✔ Fibrex® composite windows that resist weather and require minimal maintenance
✔ Wood, vinyl, and fiberglass windows to fit classic or contemporary aesthetics
✔ Energy-efficient glass packages to reduce noise and regulate indoor temperatures
All NYC installations are completed by our in-house professionals—not subcontractors—ensuring code compliance and expert-level precision.
Why Homeowners Choose Thermo-Seal for Window Replacement in New York City
With more than 40 years of experience, Thermo-Seal is a top name in window replacement across the Tri-State Area. In New York City, we’re known for handling complex installations with skill, using high-performance materials and proven techniques tailored to urban homes.
Why NYC homeowners choose Thermo-Seal:
✔ Certified Expertise
We’re Andersen Certified Contractors and part of America’s Home Remodeling Group—bringing industry-leading skill to every project.
✔ Top Brands
We install windows from trusted names like Andersen, Pella, and Harvey—known for both aesthetics and durability.
✔ Dedicated In-House Team
Every job in NYC is completed by our trained staff, ensuring a smooth experience with no third-party labor.
✔ Highly Rated Service
We hold an A+ BBB rating and multiple awards from Angi—proving our commitment to quality, honesty, and professional service.
From small apartments to multi-story homes, we treat every New York City window replacement project with expert care.
How Long Does Window Replacement in New York City Take?
Most window replacement jobs in NYC can be completed in a day, depending on access, layout, and building type. We manage the process efficiently—from site prep to final cleanup—ensuring minimal disruption to your home and routine. Afterward, we leave your space spotless and your windows perfectly installed.
What Are the Benefits of Window Replacement in New York City?
Upgrading your windows in New York City brings immediate and long-term value:
✔ Lower Utility Bills: New windows improve insulation and help control energy usage.
✔ More Comfortable Living: Eliminate drafts and keep room temperatures consistent.
✔ Improved Home Value: Sleek, updated windows elevate your home’s appearance and marketability.
✔ Noise Reduction: Advanced glass helps block out traffic, construction, and street noise.
✔ Low Maintenance: Tilt-in designs and weather-resistant materials make upkeep a breeze.
Thermo-Seal ensures your NYC window replacement delivers performance, style, and peace of mind.
How Much Does Window Replacement in New York City Cost?
Window replacement costs in New York City vary depending on window size, material, and building type. Thermo-Seal offers free, no-obligation estimates with clear, upfront pricing tailored to your home’s layout and goals. We’ll help you choose the right products for performance and aesthetics.
To make the investment easier, we offer 0% interest financing—making quality window replacement in NYC both accessible and affordable.
Schedule Your Free Window Replacement Estimate in New York City Today
Ready to experience the difference of expertly installed, energy-efficient windows? Thermo-Seal has been the Tri-State’s trusted choice for window replacement near me since 1985. Our certified team delivers the perfect combination of quality, performance, and style—backed by decades of proven results.
Schedule your free, no-hassle in-home estimate today and see why thousands of homeowners trust Thermo-Seal for their window replacement needs.
📞 Call (866) 901-6808 or visit one of our convenient offices in Rockville Centre, Rye, Stamford, or Melville.
- Rockville Centre
- Huntington
- Melville
- Farmingdale
- Plainview
- Syosset
- Roslyn
- Manhasset
- Oyster Bay
- Hauppauge
- Smithtown
- Garden City
- Massapequa
- Westbury
- Nassau County
- Suffolk County
- Long Island
- New York City
- Westchester
- Rye
- Scarsdale
- Larchmont
- Mamaroneck
- Yonkers
- White Plains
- New Rochelle
- Bronxville
- Pelham
- Harrison
- Queens
- The Bronx
- Fairfield County
- Stamford
- Greenwich
- Darien
- Westport
Frequently Asked Questions About Window Replacement in New York City
1. How do I know when it’s time to replace my windows?
If you notice drafts, condensation between glass panes, difficulty opening or closing, or higher energy bills, it’s likely time for window replacement. Modern windows not only improve efficiency but also enhance comfort, safety, and resale value.
2. Can I replace my windows year-round?
Yes. Thermo-Seal performs window replacement in all seasons using industry best practices to minimize energy loss during installation. Our installers work quickly and cleanly, ensuring your home stays comfortable throughout the process.
3. Are replacement windows energy-efficient?
Absolutely. We install ENERGY STAR® certified windows from Andersen, Pella, and Harvey, designed to reduce heat transfer and lower energy costs. Many homeowners see noticeable savings after a professional window replacement.
4. What window materials last the longest?
Composite Fibrex® and fiberglass windows are among the most durable, combining strength, low maintenance, and excellent insulation. Vinyl windows also offer long-lasting value with minimal upkeep, making them popular choices for window replacement.
5. Why should I choose Thermo-Seal over other contractors?
Thermo-Seal has been delivering expert window replacement near me for more than 40 years. With in-house installers, premium materials, and award-winning service, we guarantee results that stand the test of time. Our reputation is built on trust, craftsmanship, and customer satisfaction—every window, every home.
Request A Free Estimate
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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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