Air-conductor device designed for holding an automotive heating radiator and ensuring the seal thereof

The air conducting device (10) intended to be mounted on an HVAC housing (1) for a motor vehicle comprises a hood comprising a first volume (11, 11') collecting hot air coming from an air outlet (14) of the HVAC housing and an air outlet (13) allowing the evacuation of hot air, said air conducting device (10) further comprising a portion (12) forming a second volume intended to maintain a radiator (15) in a fixed position, the first and second volumes being integral with the hood.