CASE STUDY
AT&T
Confronting coastal HVAC corrosion challenges on the United States of America’s most corrosive island.
AT&T, a Fortune 10 company and global leader in communications and media, faced a major challenge at its Galveston Island branch—one of the most corrosive environments in the U.S. Constant salt spray from the nearby Gulf of Mexico was rapidly deteriorating the coils in their rooftop HVAC units, shortening their lifespan to just a few years.
The Challenge
AT&T needed a fast, reliable solution to protect their HVAC systems from aggressive saline corrosion. With new rooftop units scheduled for installation, they wanted to extend equipment life and avoid falling back into the costly 3–4 year coil replacement cycle brought on by coastal HVAC corrosion.
The Solution
Energy Performance Solutions, utilizing Coat Zone®’s coatings, developed a targeted anti-corrosion strategy:
- Special Precautions: Given the building’s constant exposure to salt spray, additional care was taken during application to ensure maximum protection and coating performance.
- CoilSafe® Coating: After a thorough site inspection, the coils on the new rooftop units were coated with CoilSafe®, our proprietary thin-film, inorganic coating designed to withstand harsh coastal conditions.
The Impact
- 8 Years of Protection: Nearly a decade later, a follow-up inspection revealed that the coils remained pliable, corrosion-free, and fully functional—a testament to CoilSafe®’s durability.
- Reduced Energy Use: The coated units also helped AT&T cut HVAC energy consumption by 15%, delivering both environmental and financial benefits.
- Deferred Replacement Costs: By interrupting the 3–4 year coil replacement cycle, AT&T saved on capital expenditures and extended the life of its HVAC investments.
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