Expert Window Installation & Replacement

Harvey Windows

40 Years of Experience

Certified Professionals

Superior Workmanship with Proven Reputation

Stress-Free Process

Thermo-Seal Windows, Siding & Roofing, Inc.

Harvey Windows Installed by Thermo-Seal’s Certified Professionals

When homeowners across the Tri-State area want dependable, energy-efficient windows built for the Northeast climate, Harvey windows are a trusted option. Known for their durable construction and low-maintenance vinyl and wood products, Harvey windows deliver long-term performance without compromising on curb appeal.


At Thermo-Seal, we’ve installed thousands of Harvey windows across New York and Connecticut. With 40+ years of experience and full-time, in-house crews—not subcontractors—you can expect precise, professional installation from a team committed to quality.

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Why Choose Harvey Windows?

Harvey Building Products has been manufacturing windows for over 60 years, with a focus on quality, durability, and regional performance. Their windows are engineered for energy efficiency and ease of use, with customizable options to suit both traditional and modern homes.

Popular benefits of Harvey windows include:


  • Fully welded vinyl frames and sashes for lasting strength
  • Energy-efficient glass packages, including Low-E and argon-filled options
  • Multiple style choices: double hung, casement, picture, rolling, awning, and more
  • Impact-resistant and storm window options available
  • Manufactured in the U.S. and tailored to Northeast homes



Harvey is especially known for their vinyl windows, offering a balance of affordability, thermal performance, and low upkeep.

Harvey Window Installation by Thermo-Seal

Proper installation is key to window performance—and Thermo-Seal brings over four decades of expertise to every project. Our team is trained to work with Harvey’s product lines, ensuring a clean, accurate fit for each window.


When you choose Thermo-Seal, you get:


  • A free in-home consultation to review styles and options
  • Recommendations tailored to your home and climate needs
  • Installation by experienced, full-time professionals



No subcontractors. No shortcuts. Just consistent craftsmanship trusted by thousands of homeowners.

FAQs About Harvey Windows

  • Are Harvey windows energy efficient?

    Yes. Harvey offers multiple energy-efficient glass packages, including Low-E coatings and argon gas fills, to help reduce heat transfer and improve comfort year-round.

  • Are Harvey windows good for older homes?

    Harvey’s custom sizing and flexible style options make them well-suited for both older homes and new construction. Vinyl windows can mimic traditional wood aesthetics without the maintenance.

  • What window styles are available from Harvey?

    Harvey manufactures double-hung, casement, picture, slider, awning, and specialty-shaped windows. Their lines are available in various finishes and grille patterns to match your home’s design.

  • Do Harvey windows require a lot of maintenance?

    No. Harvey’s vinyl windows are designed for low maintenance. They never need painting and are easy to clean from inside your home.

  • Where are Harvey windows made?

    Harvey windows are manufactured in the United States, with a focus on quality control and performance suited to the Northeast climate.

Interested in Harvey windows for your home?

Contact Thermo-Seal today to schedule your free, no-obligation consultation with a local window expert.

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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.

Leonora M.

CLIENT REVIEW

5 Stars Rating

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!

Juliane P.

CLIENT REVIEW

5 Stars Rating

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