HOH Water Technology is an industrial water treatment provider based in Chicagoland, family-owned and operated for over 50 years. ‍For three generations and counting, we've served commercial, industrial, institutional, food processing, and health care facilities throughout the Midwest and beyond, helping them maintain the right water chemistry so their heating, cooling, and industrial processes can perform at the best and most efficient. HOH has an extensive equipment and pretreatment team to help with all your needs. We have additional offices in Wisconsin, Michigan, South Dakota and Texas.