Upgrading Houston, Texas windows for over 30 years

The best Window Replacement in Houston

Your home deserves the best!!

Guardian Windows provides the best in home window replacement windows to the greater Houston area. Our owner-operated process will personally guide you through the process, offering professional advice and ensuring that your new windows enhance the beauty and energy efficiency of your home.

Get custom replacement windows from Guardian Windows
Custom Home WINDOWS

The best quality in custom window replacement in Houston, Guardian Windows tailors to your needs and enhances your home’s comfort and value.

energy-efficient vinyl replacement windows
upgrade to Energy-Efficient WINDOWS

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

Guardian Windows, a Houston-based family business led by Marty Scarpati and son Robert
Family owned and operated Over 30 years

Since 1986, the Scarpati family has provided the top window replacement service in Houston.

Free consultation about windows installation and replacement
FREE In-home estimate

We bring the show to you! Schedule a free in-home estimate where our owners will assess your home’s specific needs and present custom window options.

BOOK YOUR FREE
IN-HOME ESTIMATE

Step 01
Showroom on wheels

Our mobile showroom comes to you with window options and expertise.

Free consultation
Step 02
CUSTOM MEASUREMENT

Precise measurements custom for your home.

windows measurement
Step 03
PRO-INSTALLATION

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

Step 04
Customer care

A lifetime warranty guarantees our work and windows.

Windows installation with guardian windows
contractor doing a window installer houston

Guardian Windows: The best Window Replacement in Houston

WHO WE ARE

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 our
5-star reviews

Testimonies that we are the top window replacement company in Houston

“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.”

Click to view the full review

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JORGE KENNEY
Jorge kenney testimonial about guardian windows

Guardian Windows deserves a solid five stars! The craftsmanship and quality of their windows are outstanding. Our home feels more comfortable, and the stylish designs have garnered numerous compliments. Highly recommended!

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google rating
AARON LAKE
Aaron Lake testimonial about guardian windows

Impressed with the professionalism of Guardian Windows from start to finish. The installation team was efficient, courteous, and left no mess behind. The entire process was hassle-free, and the results speak for themselves. Thank you, Guardian

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Facebook rating
GERRY GRIFFITH
gery griffith testimonial about guardian windows

Kudos to Guardian Windows for their exceptional customer service. They took the time to understand our needs, provided personalized solutions, and ensured we were informed at every step.

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angies rating

Get started today!

CALL US NOW

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!

FREQUENTLY ASKED QUESTIONS

Learn more about window replacements

There are a few essential factors to consider while selecting windows for your home, such as energy efficiency, durability, style, and budget.

The installation process depends on many factors, such as the number of windows and other complexity. Most installations are completed within a day or two.

Professional installation ensures that your new windows are correctly fitted and sealed, maximizing energy efficiency and longevity.

The process begin with an initial consultation and discussion your preferences and needs. Then , Our expert team will schedule a convenient installation date.

Understanding the Window Replacement Process


The window replacement process in Houston has several key steps. It’s vital for homeowners to know what to expect. First, a knowledgeable representative will visit your home for an in-home consultation. This visit is relaxed and helps provide tailored recommendations without pressure.

Homeowners will see various window options, like vinyl and energy-efficient windows. These choices ensure your new windows meet your style and budget. After picking the right windows, a skilled window installer in Houston will start preparing for the installation.

Installing each window takes about thirty minutes. However, the time can change based on the window size, how many are being replaced, and any obstacles nearby. Renewal by Andersen has replaced over two million windows in more than 300,000 homes. This experience ensures a smooth process.

To save money and time, homeowners should prepare before the installation day. The process includes seven key stages for proper installation and weatherproofing. Getting free pricing estimates and easy scheduling for installations makes finding a good window replacement service easy for homeowners in Houston.

Window Replacement Houston: What Homeowners Should Expect


The window replacement process in Houston has several key steps. It’s vital for homeowners to know what to expect. First, a knowledgeable representative will visit your home for an in-home consultation. This visit is relaxed and helps provide tailored recommendations without pressure.

The cost for standard single-hung windows usually falls between $200 and $600. But, if you want bay windows, get ready to spend $2,500 or more. Remember, the cost of hiring someone to install the windows is a big part of the total price.

Installing windows takes about four to six weeks. This includes time for ordering materials and setting up the installation schedule. Spring and fall are the best times to start your project because you can find good deals then.

Choosing materials like aluminum, wood, or vinyl affects the price and upkeep. Going for energy-efficient windows can cut your utility bills, make your home more comfortable, and help the environment. Plus, you might even get tax credits.

As the installation moves forward, a skilled pro makes sure it’s done right. After it’s all set, you’ll get full support for any questions or issues. This ensures you’re happy with the end result.

Energy Efficiency Benefits of New Windows


Switching to energy-efficient windows in Houston brings many benefits for homeowners. These windows can cut monthly energy bills by up to 12%. Old windows cause 25%-30% of energy loss in a house. So, moving to energy-efficient windows is key for saving money.

Choosing between double-pane and triple-pane windows can also boost insulation. Triple-pane windows are the best choice for keeping energy in. They are a smart pick for saving energy over time.

Vinyl frames are a top choice for their strength and easy upkeep. They stand up well in Houston’s weather, unlike wood frames which can be damaged easily. Getting energy-efficient windows cuts costs on heating and cooling and keeps your home looking great.

These windows help control indoor temperatures and block harmful UV rays. The SolarZone™ glass package makes homes more energy-efficient and can get you an ENERGY STAR® certification. Adding curtains or shades can help save more energy by blocking UV rays.

Choosing skilled professionals for window installation in Houston means getting great value for your money. Getting quotes from trusted installers helps you understand the market better. Homeowners can enjoy the perks of energy-efficient windows while making their homes better and helping the planet.

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