All activities related to the field of ventilation, air conditioning and heating, in particular the development, installation, maintenance, servicing, preventive maintenance, inspection, repair, renovation, modification, rental and sale of ventilation, air conditioning and heating systems, as well as the realization of studies and expert opinions related to this field of activity; the company also has the purpose of all activities related to interior decoration and interior and exterior design, as well as all personal services related to these fields of activity (cf. statutes for complete purpose).