Hydro-Thermal is a US manufacturer of direct steam injection (DSI) heating and cooking systems for industrial and sanitary fluid processing, based in Waukesha, Wisconsin.
Direct steam injection heaters
The product range includes the Hydroheater and Jetcooker, the EZ Heater, the NOH non-obstructing heater, the Solaris Hydroheater and the Hydron sanitary Hydroheater. DSI heaters mix steam directly into the process liquid or slurry to heat it, as an alternative to indirect heat exchangers.
Skid systems
Hydro-Thermal also supplies pre-engineered and custom skids, including the K-Series Hydroheater standard skid, the Infuze sanitary cooking skid, the Silverline smart cooking system, ATTEC custom skid systems and the EZ Skid system.
Industries served
The company reports more than 20,000 installations in some 90 countries, in industries such as food and beverage, dairy, chemicals, pharmaceuticals, pulp and paper, renewable fuels, wastewater treatment, brewing and distilling, meat and rendering, and energy and utilities.



