Installation, renovation and repair of sanitary facilities, air conditioning systems and heating systems, as well as the execution of building drying. The company may establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, acquire similar or related companies or merge with them, and enter into all transactions and conclude contracts that are suitable to promote the purpose of the company or are directly or indirectly related to it. It can acquire, manage, encumber and dispose of real estate, copyrights, patents and licenses of all kinds.