About this company
Thermo-Seal Windows Siding and Roofing
Thermo-Seal Windows, Siding and Roofing is Connecticut's premier experts, your exterior remodeling contractor. Serving Fairfield County since 1985, our factory-trained, in-house team handles every project—never subcontractors. We specialize in energy-efficient window replacement, durable siding installation (James Hardie & vinyl), and storm-resistant roof replacement. As a GAF Master Elite and Andersen Certified Contractor, we offer top-tier craftsmanship built to withstand Connecticut weather while boosting your home's efficiency and curb appeal. Trust our award-winning, A+ BBB-rated team for roofing, siding, and windows in Stamford. Contact us today for a free estimate!
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Reviews of nearby contractors
Review of Nationwide Window & Siding (archive) by Castellano
The product that they explained was the product they delivered. They did the installation in a timely fashion. I've had the windows for a year now and I've saved money on my energy bill. I'm looking forward to working with them again.
Review of Morehouse Improvements, LLC by Bob S.
Did a professional job both n workmanship and design
Review of Advanced Cleaning and Restoration, Inc. by Deborah A.
Performed the work nec. & did it in a very professional manner & answered my questions thorughly.
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Lauren Primavera of Rockland Interiors PRO answered:
Guillermo Grasso of Wilman Custom Design PRO answered:
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