The company's purpose is to plan, execute and perform all work in the field of building technology, in particular heating, ventilation, cooling and sanitary services, as well as all related service and repair work. The company can acquire, develop, hold, manage and sell properties and real estate. It can acquire, manage and transfer patents, trademarks and technical and industrial knowledge, participate in other companies in Switzerland and abroad, and establish branches and subsidiaries in Switzerland and abroad. The company can participate in group financing, in particular by granting loans to its direct or indirect shareholders or other group companies, or by providing guarantees or other securities of any kind for liabilities to third parties, even if these loans or securities are in the exclusive interest of its direct or indirect shareholders or other group companies and are granted free of charge. The company can conduct all other business that directly or indirectly promotes the aforementioned purposes.