Centrotec Sustainable AG is a Germany-based supplier of heating and climate control technology for buildings. It operates through three segments: Climate Systems, Gas Flue Systems, and Medical Technology and Engineering Plastics. The Climate Systems segment develops, produces and sells a broad range of heating, climate control and ventilation systems. The Gas Flue Systems segment specializes in the in areas of gas flue systems for condensing boilers and air piping systems for home ventilation with heat recovery, and provides complementary components to the systems produced in the Climate Systems segment. The Medical Technology and Engineering Plastics segment manufactures medical technology solutions and plastics.