Wolfgang von Au

MRI Marcel Rieben Ingenieure AG provides building technology consultancy services. It offers consultation and planning in building design and management; cost control; damage appraisal; and building condition analysis. Its services include heating; ventilation; air conditioning and cooling; domestic water; sprinklers; building automation; hot water and steam systems; displacement ventilation; smoke and heat extraction; water treatment and waste water purification; as well as fire simulation. The company was founded in 1971 and is headquartered in Bern-Liebefeld, Switzerland.