CENTROTEC Sustainable AG engages in the supply of heating and climate control technology for buildings. It operates through the following segments: Climate Systems, Gas Fuel Systems, and Medical Technology & Engineering Plastics. The Climate Systems segment develops, produces, and sells a portfolio of heating, climate control, and ventilation systems. The Gas Flue System segment offers condensing boilers and air piping systems for home ventilation with heat recovery. The Medical Technology & Engineering Plastics segment manufactures and sells medical technology and diagnostic articles and instruments. The company was founded by Guido Alexander Krass in 1994 and is headquartered in Brilon, Germany.