DEH Views 7 meanings found DEH is used in scientific, governmental, medical and regional contexts, describing direct electrical heating, a director role for engineering and housing, dental hygienists, a town in Iowa, and even a type of honey. Medical Dental Hygienist Miscellaneous Dark Eyed Honey Deterministic External Habit Governmental Director of Engineering and Housing Department of Environmental Health Academic & Science Direct electrical heating Regional Decorah, Iowa USA