Planning, distribution and installation of building technology systems, particularly in the areas of heating, plumbing and ventilation systems, and provision of all related services, as well as import, export and trade of goods of all kinds. The company can participate in any form in other companies in Switzerland and abroad, merge with them, or establish, acquire or lease other companies in Switzerland and abroad, acquire and sell licenses, patents and rights, acquire, encumber, sell and manage real estate in Switzerland and abroad, arrange financing for its own account or for third-party account, and provide guarantees and sureties for subsidiaries and third parties.