Door Brands
ThermaTru
40 Years of Experience
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Superior Workmanship with Proven Reputation
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Thermo-Seal Windows, Siding & Roofing, Inc.
Therma-Tru Doors Installed by Thermo-Seal: Strength, Style, and Security
For homeowners looking to enhance their home’s entryway with durability and design, Therma-Tru doors are a top choice. As a trusted brand for decades, Therma-Tru is known for high-performance fiberglass and steel entry doors that combine energy efficiency with striking curb appeal.
Thermo-Seal installs Therma-Tru exterior doors throughout New York and Connecticut, offering expert recommendations and precise installation backed by 40+ years of remodeling experience. All work is completed by our full-time, in-house professionals—never subcontractors.
DOORS
Why Homeowners Choose Therma-Tru Doors
Therma-Tru pioneered the fiberglass entry door and continues to lead the market in innovation, performance, and design flexibility.
Key features of Therma-Tru doors include:
- Fiberglass doors that mimic the warmth of wood without warping, rotting, or rusting
- Steel entry doors for added durability and security
- ENERGY STAR® certified options for improved insulation and energy savings
- Dozens of styles, glass designs, and stain or paint finishes to suit any home
- Impact-rated and multi-point locking options for enhanced protection
Whether you're replacing a worn-out door or upgrading your home's façade, Therma-Tru offers a balance of form and function that’s hard to beat.
Expert Therma-Tru Door Installation by Thermo-Seal
A quality door deserves a quality installation. At Thermo-Seal, we ensure your Therma-Tru door is properly measured, fitted, and sealed to perform as intended.
With Thermo-Seal, you can expect:
- A free in-home consultation to explore styles and product lines
- Door installation by experienced, in-house professionals
- Clear communication and dependable craftsmanship from start to finish
Our team ensures your new door not only looks great—but operates flawlessly and stands up to the elements.
FAQs About Therma-Tru Doors
Are Therma-Tru doors energy efficient?
Yes. Many Therma-Tru doors are ENERGY STAR® qualified and feature advanced weather sealing, insulating cores, and Low-E glass options to help reduce heating and cooling costs.
What’s the difference between fiberglass and steel Therma-Tru doors?
Fiberglass doors are low-maintenance, resist dents and rust, and mimic the look of wood. Steel doors offer added security and strength, often at a lower price point.
Can Therma-Tru doors be customized?
Yes. Therma-Tru offers a wide range of panel designs, decorative glass options, grille patterns, and finish colors. Many collections are customizable to fit your home’s architecture.
Do Therma-Tru doors come pre-finished?
Yes. You can order Therma-Tru doors pre-painted or pre-stained from the factory, or choose a primed door for custom finishing after installation.
Are Therma-Tru doors secure?
Therma-Tru doors are designed with security in mind. Certain models include options for impact-rated glass, reinforced frames, and multi-point locking systems.
Upgrade Your Entry with a Therma-Tru Door from Thermo-Seal
Ready to improve your home’s style, insulation, and security? Contact Thermo-Seal to explore Therma-Tru entry door options and schedule your free, no-obligation consultation.
Call us today at
(866) 901-6808 or
Contact us today to schedule a project consultation.
Request A Free Estimate
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Services We Offer:
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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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