Hydro-Thermal Corporation

Hydro-Thermal Corporation, headquartered in Waukesha, Wisconsin, has specialized in direct steam injection (DSI) heating technology for over 90 years, with more than 20,000 installations across 90 countries. The company's core innovation is a patented variable-area nozzle and diffuser design that achieves 100 percent thermal efficiency and 20–25 percent energy savings compared to indirect heat exchangers, while eliminating steam hammer. Hydro-Thermal's industrial DSI heater lineup includes the Hydroheater and Jetcooker for general process heating, the Solaris hydroheater for heavy-duty industrial applications, the NOH (Non-Obstructing Heater) designed specifically for wastewater anaerobic digestion sludge heating, and the ATTEC custom skid system. For sanitary applications, the Hydron sanitary hydroheater, Silverline smart cooking system, and Infuze sanitary cooking skid serve dairy, food, pharmaceutical, and biotech markets. The EZ Heater and EZ Skid handle water-only heating. Industries served span beverage, chemical, dairy, distilling and brewing, energy and utilities, food processing, meat and rendering, paper and pulp, pharmaceuticals, renewable fuels, and starch-to-sugar conversion. The company is ISO 9001:2015 certified and manufactures entirely in the USA, with five international sales offices.