Expert remodeling
Window Installation & Replacement in New Canaan, CT
40 Years of Experience
Certified Professionals
Superior Workmanship with Proven Reputation
Stress-Free Process
Thermo-Seal Windows, Siding & Roofing, Inc.
Window Replacement in New Canaan That Enhances Comfort and Classic Design
Looking for expert window installation in New Canaan, CT? Thermo-Seal has been serving Fairfield County for over 40 years with high-performance window replacements tailored to the needs of homes in this historic and refined community. Whether you're near Waveny Park or in the Oenoke Ridge area, our windows in New Canaan blend timeless style with the latest in energy-saving technology.
Every window is installed by our full-time, factory-trained team—never subcontractors—ensuring a smooth process and top-tier results. If your windows are drafty, outdated, or inefficient, Thermo-Seal provides New Canaan window replacements that upgrade both form and function.
Thermo-Seal Exterior Remodeling
Full-Service Window Installation in New Canaan Built for Connecticut’s Climate
From icy winters to humid summers, New Canaan homes experience the full range of New England weather. We install windows from trusted brands like Andersen, designed for energy efficiency, lasting durability, and architectural appeal.
✔ Installed by our in-house, certified professionals
✔ Engineered to withstand New Canaan’s seasonal changes
✔ Available in styles that suit both historic homes and modern renovations
Why New Canaan Homeowners Trust Thermo-Seal for Window Replacement
With more than 20,000 projects completed since 1985, Thermo-Seal is a top choice for window installation in New Canaan. Homeowners trust us for our attention to detail, premium materials, and reliable service.
Why New Canaan residents choose Thermo-Seal:
✔ Andersen Certified – Experts in energy-efficient, long-lasting windows
✔ No Subcontractors – Every install is done by our trained, in-house crew
✔ A+ BBB Rating – Respected throughout Fairfield County for consistent quality
✔ Built to Last – Windows that resist rot, warping, and fading
✔ Improved Energy Efficiency – Help lower heating and cooling costs
Whether you’re near downtown or the backcountry, Thermo-Seal’s window services in New Canaan offer beauty, performance, and peace of mind.
Window Replacement in New Canaan That Solves Everyday Home Issues
Old or underperforming windows don’t just affect your energy bills—they impact comfort, appearance, and home value. Thermo-Seal installs windows in New Canaan that tackle these problems with long-term solutions.
✔ Cold Drafts or Foggy Glass? Our insulated windows seal in comfort
✔ Difficult to Use? Smooth-functioning designs make daily operation easy
✔ High Utility Bills? Energy-efficient glazing helps reduce monthly costs
✔ Constant Maintenance? Low-maintenance materials stay looking great
Thermo-Seal’s window installation in New Canaan offers lasting upgrades that improve your home’s comfort, performance, and curb appeal.
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.
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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!
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