Operation of a business in the field of sanitary, air and climate technology and heating construction, as well as trade in products for sanitary, air and climate technology and for heating and chimney construction. The company may establish branches and subsidiaries in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire, encumber, sell and manage real estate in Switzerland and abroad, provide financing for its own account or for the account of third parties, and grant guarantees and sureties for subsidiaries and third parties.