System and method for sterilizing a droplet diffusion device in the cockpit.

The present invention relates to a broadcast system (S) of liquid droplets in a passenger compartment (H) of the vehicle (V) comprising: - a distribution device (D, - a supply circuit (CA) liquid this diffusion device, - a heat exchanger (3) wherein the supply circuit is arranged, said heat exchanger receiving or being intended to receive a circuit (CF) of the vehicle, to allow the latter and the circuit (AC) exchanging heat, this heat transfer medium circuit (FC) being a circuit which is intended to circulate a fluid at a temperature sufficient to ensure the destruction of microorganisms.