The operation of a ventilation business, in particular carrying out installation, maintenance and repair work on ventilation and air conditioning systems, as well as all commercial and industrial activities directly or indirectly related to this field. In general, the company may establish branches or subsidiaries in Switzerland and abroad, participate in other companies, acquire or establish companies with an identical or similar purpose, grant loans or guarantees to associates or third parties, and carry out all financial, commercial and other operations in Switzerland and abroad, and conclude all contracts that serve to develop its purpose or are directly or indirectly related to it.