Expert Window Cleaning Services Since 1977

Winco of South Texas has been a trusted name in professional window cleaning since 1977, expanding into high-rise glass services by 1980. Over the decades, we’ve cleaned thousands of buildings across Texas—from Amarillo to McAllen—including some of the state’s most iconic landmarks like the Tower of the Americas, Marriott Hotels, River Center Mall, Grand Hyatt San Antonio, and the Horseshoe Bay Resort. Our unmatched experience and reach have made us a top choice for commercial window cleaning in San Antonio and beyond.

For over 30 years, Winco has led the way in window cleaning innovation. In the late 1970s, we pioneered the use of restoration chemicals in the field—an approach that has helped property owners save significantly by restoring rather than replacing damaged or stained glass. We continue to develop custom solutions tailored to the unique challenges of each project, whether it’s mineral deposit removal, hard water stain treatment, or routine high-access window cleaning.

Our cleaning systems are designed with efficiency, safety, and client satisfaction in mind. From advanced glass restoration methods to environmentally conscious cleaning agents, Winco’s commitment to quality and long-term results ensures your windows are not only spotless but also protected. No matter the height, shape, or condition of your building, you can trust Winco to deliver clarity that lasts.

Chemical Glass Restoration – Solving the Toughest Window Stains

What do you do when traditional cleaning methods—like mild acids and scraping—just aren’t enough to remove severe water stains or mineral deposits from your glass? That’s where Winco’s advanced chemical restoration techniques come in. We’ve developed a range of proven solutions, from mild acids to specialized non-organic cleaners, to restore clarity and life to even the most stubbornly stained windows. While not all damage can be reversed—especially in cases of long-term neglect—we pride ourselves on pushing the limits of restoration to save our clients from costly replacements.

At Winco, we don’t just solve problems—we set the standard for how they should be solved. Our commitment to excellence doesn’t stop at the glass—it extends to our team. The average Winco technician brings over 12 years of hands-on experience to the job. That’s no accident. We invest in proper training, fair pay, and long-term support for our employees because we believe experience, safety, and retention are key to delivering exceptional results.

As Owner Keith Witt puts it:

“Underpaying employees causes turnover rates to escalate, safety to decline, and profits to suffer. In our industry, inexperience can be dangerous. It might cost us more to retain great people, but we sleep well at night knowing our clients are in good hands—and so can you.”

Have questions about chemical restoration or window cleaning in general? Need help with severely stained or damaged glass? Fill out the form below and our team will get back to you as soon as humanly possible.