Hydro-Thermal Corporation

Machinery ManufacturingWisconsin, United States51-200 Employees

Hydro-Thermal Corporation, based in Waukesha, Wisconsin, designs and manufactures direct steam injection heating systems that heat liquids and process fluids to precise temperatures for a range of manufacturing applications. Its Hydroheater technology serves global manufacturers in more than 85 countries, capable of heating a wide spectrum of fluids—from water and starch to tomato paste and slurries—for diverse industries. Founded nearly 90 years ago, the company holds certifications including ISO, CE, PED, and 3A to reflect its compliance with sanitary and safety standards. In 2024, Hydro-Thermal earned the ADPI/Dairy Foods Breakthrough Award for its Hydron sanitary hydroheater, recognizing its role in maximizing permeate yield during cheese production. With a global client base and operations rooted in Wisconsin, the firm serves sectors such as pulp and paper, food and beverage, biofuels, chemicals, pharmaceuticals, and mining.

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