Elreha (also known as Elektronische Regelungen) is a company that develops, produces, and distributes electronic controllers and control systems for industrial and commercial needs in heating, refrigeration, and freezing applications. It offers products for CO2 plants, cold storage control, compressor compounds, temperature, humidity, and climate control, digital displays, error forwarding, remote control, and maintenance. The company serves refrigeration and air conditioning, beverage and food, heating, medical, laboratory, agriculture, fabric manufacturing, and industrial automation sectors.