Patrick M. Müller

Vaillant GmbH engages in the manufacture and distribution of heating ventilation and air-conditioning products. The firm offers solar-thermal and photovoltaic systems, heat pumps, and pellet boilers. It also provides gas-fired condensing boilers, ventilation systems for low-energy buildings, combined heat and power stations, high-efficiency heating systems using fossil fuels, intelligent controls, air conditioners, and radiators. The company was founded by Johann Vaillant in 1874 and is headquartered in Remscheid, Germany.