Windows Replacement

Guardian Windows

Guardian Windows has been a leading name in the industry, transforming and creating energy efficient homes.

  • Your Home, Perfected
  • 40 Years of Experience
Get custom replacement windows from Guardian Windows


Get custom replacement windows from Guardian Windows, tailored to your needs with various colors and shapes, crafted from premium materials.

energy-efficient vinyl replacement windows

Beyond Energy-Efficiency WINDOWS REPLACEMENT

Enhance your Houston home with energy-efficient vinyl replacement windows, improving efficiency, reducing noise, enhancing security, and boosting appeal.

Guardian Windows, a Houston-based family business led by Marty Scarpati and son Robert

Exceptional Support

Since 1986, Guardian Windows, a Houston-based family business led by Marty Scarpati and son Robert, has delivered personalized service and earns stellar reviews with skilled crews and a focus on satisfaction.

Free consultation about windows installation and replacement

FREE Consultations

Schedule a free estimate, and we’ll bring our showroom to you. We’ll assess your home, listen to your needs, and present window options for an informed decision, ensuring confidence in your choice.

About Us

Guardian Windows

Who we are

Welcome to Guardian Windows, your ultimate destination for top-quality windows! We are family-owned and operated and are devoted to providing you with windows that precisely meet your requirements. Our team is dedicated to offering exceptional service, ensuring a seamless and enjoyable window replacement process. Guardian Windows – we are your trusted experts for window replacements in Houston!


Ready to upgrade your windows? Call Guardian Windows now at (281) 955-8994 for top-notch Window Replacement services! Experience the difference with our trusted experts – transform your home today

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Window Types

Window Types

What we Offer

You have come to the right place!!! We are your top choice for window replacement. We specialize in high-quality solutions to enhance your home’s look and energy efficiency. Trust us for expert guidance and exceptional results. Discover a brighter, more efficient home with Guardian Windows.

Single-hung windows, standard in homes, open upward from the bottom. They’ve evolved for easy cleaning by tilting the sash indoors without needing a ladder. Modern frames offer a sleek look and more giant glass for improved views.

Picture windows, sizable and stationary, serve as a picturesque frame for the outdoor scenery, resembling a captivating painting. These windows can be constructed either with or without a sash.

Sliding windows have panels that move horizontally for a modern look and easy operation. Popular in minimalist styles, they offer unobstructed views and efficient use of space.

A double-hung window has two sliding panels for versatile airflow, easy use, and a classic look. Popular in homes, it offers flexibility for better ventilation and easy cleaning, adding a timeless touch to different architectural styles.

Transform the charm of your Texas home with Guardian Window’s bay windows. Offering an elegant architectural touch, bay windows enhance your residence’s aesthetic appeal and create a cozy nook, providing expanded views and abundant natural light.

Elevate the character of your Texas dwelling with Guardian Window’s bow windows. These gracefully curved windows add a touch of sophistication and enrich your home’s aesthetic appeal, offering panoramic views and inviting streams of natural light into your living spaces.

Awning windows open outward from the bottom, hinged at the top, resembling the motion of extending or retracting an awning. This design allows controlled ventilation, even in light rain, making them a practical and stylish choice for various architectural styles.

A custom window is made to order, tailored to specific dimensions, design preferences, and functional needs of a space. Unlike standard windows, these are crafted for unique specifications, ensuring a precise fit within the building’s architectural design.

Guardian of Houston’s hurricane windows are constructed to endure hurricane-force winds, ensuring your home is equipped to withstand the most powerful storms.

Like Marvin’s Infinity series, top-tier fiberglass windows excel in durability, customization, and aesthetics. Crafted with Ultrex, they’re robust and efficient, tailored to any size or shape, and boast various finish and color options. With Everwood interiors resembling wood but resistant to decay, these windows stand out for their quality hardware and unmatched strength, making them the finest in the market.

Composite windows, the latest trend in our industry, offer durability, weather resistance, and low maintenance. They outperform thin vinyl, making them a solid choice for your home. At Houston Window Experts, we provide top-quality composite windows from leading brands like Pella and Fiber Frame, ensuring superior customer service and expert installation.

An aluminum window is characterized by having a frame or sash constructed from aluminum. Similar to traditional wooden windows, aluminum windows include a standard glass pane. What sets an aluminum window apart as a valuable investment is its exceptional durability.

Fixed or picture windows don’t open but frame beautiful views and add style to a room. Specialty-shaped ones, like half-rounds or eyebrow styles, bring extra visual interest. You can find them in various shapes—quarter rounds, circles, polygons, and more. They’re famous for their combinations, offering great natural light and expansive views.

Experience the vibrant city life of Houston, but come home to tranquillity. Block out barking dogs, construction noise, and street sounds with Renaissance Windows and Doors’ noise reduction windows. Enjoy peace and quiet indoors while the city buzzes outside.

Glider windows, the freshest trend in our field, embody resilience, weather endurance, and minimal upkeep. Surpassing the performance of slim vinyl options, they are a robust choice for your living space.

Thermal windows block heat transfer by keeping warmth inside during the winter and blocking outside heat in the summer. The effectiveness depends on the number of panes, the filling between them, and special coatings.

Choose Guardian Windows for unique, custom-made vinyl replacement windows. We offer a variety of colors and shapes crafted with top-of-the-line quality. Our selection includes brands known for exceptional and innovative windows, ensuring you find the perfect fit for your needs.

Casement windows open by swinging out on a side hinge. Modern enhancements include a sliding hinge for easy cleaning. Sleek frames give a classic window a contemporary feel, allowing larger glass for better views.

Window Brands

Window Brands

What we Offer

When it comes to selecting windows for your home or business, quality and reliability are paramount. Several renowned brands stand out in the market, offering a range of options to suit different needs and preferences. 

Guardian Windows in Greater Houston now provides Pella Windows. They’re low-maintenance, energy-efficient, and come in vinyl or fiberglass frames. Choose the PELLA® 250 Series for vinyl or the PELLA® IMPERVIA® for fiberglass single-hung windows.

Simonton specializes in region-specific windows, catering to diverse climates. Their efficient, attractive vinyl windows fit various needs.

Experience the craftsmanship of Lansing windows, meticulously manufactured in the heart of Texas. Here, the fusion of affordability and style takes center stage, ensuring that each window reflects exceptional quality and a touch of local craftsmanship and stylish design.

NT Window prioritizes American sourcing for all vinyl window materials, supporting domestic suppliers from production to installation nationwide. We aim to use U.S.-made components for aluminum windows and doors, emphasizing quality and supporting local growth.

Don Young Company’s Sunshield™ vinyl windows are tailored for Houston’s heat, aiming to conserve energy and cut home heating and cooling expenses. These windows offer a uniform frame look across different window types, sporting a subtle, traditional cove mold appearance resembling wood. Custom-built in various sizes and shapes, they come in Linen White, Desert Sand, and Adobe colors.

Introducing Showcase Window’s 143 Single Hung Window and 143 Impact Windows, setting the standard for durability and style in modern window solutions. Elevate your space with superior craftsmanship and impact-resistant design.

Introducing our 1620 single-hung window: stylish, durable, and high-performing. Perfect for new construction or replacements, it boasts a beveled sash, insulated dual-pane glass, robust weatherstripping, and the option for operating archtop configurations. DP-50-rated and available with StormArmor™ impact resistance, it’s the top choice for any project.

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Why us

we are the best IN THE INDUSTRY

why choose us

Guardian Windows is a leading name in window replacement and installation, trusted by homeowners for their quality, innovation, and exceptional customer service. But with so many options on the market, why should you choose Guardian for your next project?

At Guardian Windows, we specialize in crafting premium-quality windows tailored to withstand Texas’ diverse climate. Meticulously crafted using top-grade materials, our windows ensure exceptional durability and longevity, even in the face of heat, humidity, and occasional severe weather. As certified dealers for high-quality products, we offer custom solutions perfectly suited to your needs, with made-to-order designs available in various colors and shapes. Experience the benefits of top-of-the-line craftsmanship, providing optimal performance and protection for your home against the elements.

We blend functionality with modern aesthetics to offer a diverse range of styles that cater to various architectural preferences. Our commitment to staying updated with the latest design trends ensures your home benefits from both style and functionality.

Our customer-centric approach means we listen to your needs, provide personalized solutions, and guide you through every step of the project. We take pride in building long-lasting relationships with our clients based on trust, transparency, and exceptional service.

Our team of skilled professionals excels in window installation, ensuring a seamless and efficient process. We understand the importance of proper installation for optimal performance, energy efficiency, and the overall enhancement of your living space.

We stand behind our products and services, offering warranties that reflect our confidence in their quality. Our dedicated support team is ready to assist you with any inquiries or issues, ensuring that your investment in Guardian Windows is backed by reliable post-installation support.

Our Recent Projects


See our showcased works and innovations, discovering the different styles and high-quality options that highlight our commitment to making homes better. Choose Guardian Windows for top-notch solutions that will enhance and transform your living and working spaces.