At Alamo Welding & Boiler, repairs and controls are a major part of what we do. Our technicians service all boiler brands and models, using high‑quality replacement parts that keep your equipment operating safely, efficiently, and in full alignment with manufacturer specifications. Whether you’re dealing with performance issues, system faults, or outdated components, we provide reliable solutions that restore your boiler to peak condition.
Modern boiler systems rely heavily on accurate, responsive controls. If your equipment is running on outdated technology, we can upgrade your controls to improve functionality, safety, and connectivity.
Control upgrades can provide:
Our team ensures your updated controls integrate seamlessly with your existing equipment and any connected devices.
A failing heat exchanger can shut down your entire operation. To minimize downtime, we keep heat‑exchanger tubing in stock, allowing us to complete repairs quickly and get your system back online.
Our heat exchanger services include:
If you need fast, dependable heat exchanger repairs, our team is equipped to respond quickly and efficiently.
Your boiler is a critical part of your operation — we make sure it stays that way. Please click here for more information.
Established in 1928, Alamo Welding & Boiler Works is a top-rated South Texas & San Antonio Mechanical Contractor that specializes in the sales, servicing, and installation of commercial and industrial steam and hot water systems / boilers.
We sell, rent, repair, retrofit, and install complete steam and hot water systems.
Repairs
Tube Replacement
Heat Exchangers
Burner Retrofits
Custom Boiler Feed Systems
New Installations
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