The company's purpose is to design, plan, install, maintain, own and operate heating, ventilation, air conditioning, refrigeration, sanitary, photovoltaic and solar thermal systems. The company may establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, and conduct all business directly or indirectly related to its purpose. The company may acquire, encumber, sell and manage real estate in Switzerland and abroad. It may also provide financing for its own account or for third-party account, as well as provide guarantees and sureties for its subsidiaries and third parties.