Planning and installation of sanitary and heating systems. May establish branches in Switzerland and abroad, participate in other companies in Switzerland and abroad, assume representations and enter into all transactions and contracts that may be suitable to promote the purpose of the company or that are directly or indirectly related to it, furthermore, carry out financing for its own account or for the account of third parties, grant guarantees and sureties for subsidiaries and third parties, as well as acquire, manage and sell real estate.