Expert Window Installation & Replacement
Window Repair in New York City
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Reliable, Certified, and Trusted Window Repair Experts in New York City
When your windows start leaking, fogging up, or becoming difficult to operate, Thermo-Seal is your trusted source for window repair across New York City. With over 40 years of experience and certifications from top manufacturers like Andersen and Harvey, we bring expert-level repair solutions to every borough. Whether you’re dealing with broken hardware, damaged seals, or inefficient insulation, our skilled in-house team delivers results that restore both comfort and performance.
From brownstones in Brooklyn to high-rises in Manhattan and single-family homes in Queens, we provide tailored window repair services throughout NYC that meet the unique needs of each property type.
Stop searching for window repair near me—Thermo-Seal delivers professional repairs and premium materials trusted throughout the Tri-State area.
Thermo-Seal window Repair in New York City
Fixing the Problem, Restoring Your Peace of Mind in New York City
Windows that are cracked, drafty, or hard to open aren’t just inconvenient—they can impact your energy bills and interior comfort. Small problems can lead to serious issues like water leaks, poor insulation, and frame damage. That’s why our window repair services in New York City address the underlying cause.
Thermo-Seal’s certified, in-house team uses high-quality parts that meet or exceed original specs. No outsourcing. No shortcuts. Just long-lasting, expert repair work.
What’s Included in Our Window Repair Service in New York City?
Our process starts with a no-pressure inspection from a trained window repair expert. Based on what your NYC home or apartment needs, our services may include:
✔ Replacement of cracked or fogged insulated glass
✔ Repairs to stuck or broken hardware, including locks and tracks
✔ Frame or sash restoration for damaged or warped units
✔ Sealing drafts to improve energy efficiency
✔ Matching existing window finishes for a cohesive appearance
We’ll walk you through your options and help you choose what’s best for your space and your budget.
Who Benefits Most from Our Window Repair Services in New York City?
If the window frames are still in solid shape, repair may be the most practical and affordable solution. For NYC property owners, this is especially useful in maintaining the architectural integrity of older buildings without sacrificing functionality.
Window repair is ideal for:
✔ Preserving the design of pre-war buildings or historic brownstones
✔ Addressing sudden damage from weather, construction, or accidents
✔ Enhancing insulation and efficiency in condos, co-ops, and apartments
How Long Do the Benefits of Window Repair in New York City Last?
Our New York City window repairs go beyond the surface. We resolve both visible and hidden issues—like failing seals or warped frames—so your windows work like new for years to come. The result: smoother operation, improved insulation, and a more comfortable living space.
We use top-tier products from brands like Andersen, Harvey, and Pella, and all work is completed by our trained in-house technicians—never subcontractors.
Why Homeowners Choose Thermo-Seal Over Other Window Repair Companies in New York City
Across all five boroughs, Thermo-Seal is known for professional window repair you can count on. From initial consultation to project completion, we prioritize honesty, clarity, and top-quality craftsmanship.
✔ In-house experts—no subcontractors
✔ Certified to repair Andersen and Harvey windows
✔ 40+ years of experience in NYC residential window systems
✔ A+ BBB rating and multiple Angi Super Service Awards
✔ Free, clear estimates with no pressure
We take pride in doing the job right—the first time.
Is It Cheaper to Repair a Window or Replace It in New York City?
In many cases, repairing your windows is far more cost-effective than replacing them—especially when the structure remains intact. Our NYC specialists will inspect the issue and help you weigh your options. If a repair makes sense, we’ll take care of it. If a replacement is the smarter move, we’ll be upfront about that too.
How Much Will It Cost to Repair My Windows in New York City?
Every building and every window repair in NYC is unique. That’s why Thermo-Seal offers personalized, in-home (or in-unit) consultations so you know exactly what to expect. No surprises. No hidden fees. Just honest guidance. We also offer 0% interest financing to qualifying property owners, making expert repairs easier to manage financially.
Frequently Asked Questions About Window Repair in New York City
How do I know if my windows need repair or replacement?
If your windows are difficult to open, leaking air or water, fogged between panes, or showing signs of frame damage, they may be eligible for repair. Our team will inspect them and let you know the best option based on performance, cost, and long-term value.
Can Thermo-Seal repair any brand of window?
We specialize in top-tier window brands such as Andersen, Harvey, and Pella, but we’re experienced with a wide range of window types and manufacturers. Our team can match materials and styles closely for a seamless result—even in older or custom homes.
How long does a window repair typically take?
Most repairs can be completed in a single visit. However, if specialized materials are needed, we’ll provide a clear timeline and keep you informed throughout the process. Our goal is to minimize disruption and maximize quality.
Will my repaired window be as energy-efficient as before?
Yes—if not more so. We use high-performance materials and proper sealing techniques to restore your window’s insulation and function. Many homeowners notice immediate improvements in energy efficiency and comfort after a repair.
Is there a warranty on your window repair work?
While exact warranties vary by product and repair type, Thermo-Seal stands behind every job with our commitment to quality and customer satisfaction. We’ll review your coverage during your estimate and ensure you understand all included protections.
Schedule Your Free Window Repair Estimate Today
Don’t let a damaged window compromise your home’s comfort, safety, or style. Call Thermo-Seal today or fill out our quick form to schedule your free in-home estimate. Discover why we’re the trusted choice for window repair near me in the Tri-State area.
📞 Call (866) 901-6808 or visit one of our offices in Rockville Centre, Rye, Stamford, or Melville to get started.
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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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