The best Window Replacement in Houston
Your home deserves the best!!Looking for the best window replacement company in Houston? Guardian Windows provides reliable and high-quality replacement windows to the greater Houston area. Our owner will personally guide you through the process, offering professional advice and ensuring that your new windows enhance both the beauty and energy efficiency of your home. As the most-trusted window replacement company in Houston, we handle every detail of your project with precision and care, from consultation to installation.


Get the best quality custom replacement windows from Guardian Windows, tailored to your needs with various colors and shapes, crafted from premium materials that will enhance your home’s comfort and value.

Upgrade your Houston-area home with energy-efficient vinyl replacement windows. Improve your home’s efficiency, reduce noise pollution, enhance security, and boost curb appeal.

Guardian Windows is the Trusted Houston-area window replacement company since 1986. Led by Marty Scarpati and his son Robert, our family-owned business has been providing personalized service with the top window replacement in Houston.

We come to you! Schedule a free in-home estimate where our owners will bring our showroom on wheels to you, assess your home’s specific needs, and present custom window options.
BOOK YOUR FREE
IN-HOME ESTIMATE
For over 30 years, we’ve been upgrading windows across Houston to make homes quieter, more comfortable, and energy-efficient—keeping noise out, warmth in during winter, and cool air in during summer. Let us help you create the perfect home environment.
Book a free estimate today and we bring out mobile showroom to you with window options and expertise to help you upgrade your home with confidence.

Meticulous measurements for custom windows and patios ensure precision and satisfaction in the final results.

Our expert owners and team personally walk you through the whole process from presentation to professional installation.

Upgrade and transform your home with new windows for a brighter ambiance and an improved living experience.


Guardian Windows: The best Window Replacement in Houston
When it comes to the best custom home window replacement services in Houston, Guardian Windows stands out as a top choice for homeowners seeking reliable, efficient, and professional services. Update your current windows to the best custom energy-efficient windows. We’re here to provide you with the best service and highest satisfaction.
Check out all of our
5-star raving reviews

“Well, it’s been 6 weeks since we had our new windows installed by Guardian Windows Team. And from estimate to installation to the comfort of living with 29 new windows, we could not be happier. Matt, Andre, and Darrell rocked the installation in 3.5 days. These guys showed up when they said they would, worked until they were ata good stopping point, cleaned up the work site each day, and were extremely considerate of the inside of the house and the outside flower beds. We have had a lot of workers in the house over past severeal years with various remodeling projects, and this crew was the best! The new windows are beautiful, reduce outside noise significantly, and are highly efficient compared to our old builder-grade-ugly-19-year-old windows. For the same 30-day period (June 15 – July 14) in 2022 (avarage temp high.low = 97/74) we used 2996 kWh. For 2023 (avarage temp high/low = 99/78) we used 2555kWh. So even with it being one of the hotter months to recode, we still used 16% less electricity. If you are in the market for new windows and want a high-quality product from a local company, give Martin Scarpati and his team at Guardian Windows a chance to earn your business.”

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Ready to upgrade your windows? Call Guardian Windows now! for top-notch Window Replacement services. Experience the difference with our trusted experts – transform your home today!