A thermal conditioning installation for a vehicle allowing aerothermal adjustment of an airflow to be diffused into a passenger compartment (H) of the vehicle, comprising at least one heat treatment module configured to thermally treat the airflow, and a distribution module configured to distribute the airflow in the passenger compartment (H), wherein the heat treatment module comprises a single means for heating the airflow intended to be diffused into the passenger compartment (H), said heating means being formed by an electric radiator.