Heating, ventilation and/or air conditioning system, in particular for an electric automobile vehicle

A heating, ventilation and/or air conditioning system (10) for an automobile vehicle, the heating, ventilation and/or air conditioning system (10) comprising a heating, ventilation and/or air conditioning housing (100) capable of allowing the thermal treatment of an air conditioning airflow to be used to maintain a desired temperature within a cabin of the vehicle, the heating, ventilation and/or air conditioning housing (100) comprising primary distribution means (132a, 132b, 133a, 133b, 134a, 134b) for the air conditioning air within the cabin so as to define a limited number of distribution configurations,

• wherein the heating, ventilation and/or air conditioning system (10) further comprises an additional module (200) and additional means (212a, 212b, 213a, 213b) for distributing the air conditioning airflow outside the cabin,
• wherein some of the additional means (212a, 212b) are located inside the air conditioning housing (100) and are connected to the additional module (200) by a coupling rod (220), and some additional means (213a, 213b) are located inside the additional module (200).