A shisha device comprising: a vessel defining an interior configured to contain a volume of liquid , the vessel comprising a head space outlet ; an aerosol-generating element in fluid connection with the vessel, wherein the aerosol-generating element comprises an electric heating element ; a receptacle for receiving a shisha aerosol generating substrate to be heated by the heating element; an inlet in communication with the receptacle; and an outlet in communication with the receptacle; and a chamber between the vessel and the aerosol-generating element and in fluid connection with the vessel and the aerosol-generating element, wherein the chamber comprises a chamber inlet configured to accelerate air containing aerosol that flows through the chamber inlet from the aerosol-generating element, wherein the shisha device is configured to heat the aerosol generating substrate received in the receptacle to an extent sufficient to generate an aerosol without combusting the aerosol generating substrate; wherein the chamber comprises a main chamber in fluid communication with the chamber inlet, wherein the main chamber is sized and shaped to allow deceleration of the air containing the aerosol in the main chamber when the air containing the aerosol exits the chamber inlet and enters the main chamber; wherein the chamber inlet has a first aperture in proximity to the aerosol-generating element and a second aperture in the main chamber, wherein aerosol from the aerosol-generating element flows into the chamber inlet through the first aperture and out of the second aperture into the main chamber; and wherein the second aperture has a diameter in a range from 0.5 mm to 4 mm. a vessel defining an interior configured to contain a volume of liquid , the vessel comprising a head space outlet ; an aerosol-generating element in fluid connection with the vessel, wherein the aerosol-generating element comprises an electric heating element ; a receptacle for receiving a shisha aerosol generating substrate to be heated by the heating element; an inlet in communication with the receptacle; and an outlet in communication with the receptacle; and an electric heating element ; a receptacle for receiving a shisha aerosol generating substrate to be heated by the heating element; an inlet in communication with the receptacle; and an outlet in communication with the receptacle; and a chamber between the vessel and the aerosol-generating element and in fluid connection with the vessel and the aerosol-generating element, wherein the chamber comprises a chamber inlet configured to accelerate air containing aerosol that flows through the chamber inlet from the aerosol-generating element, wherein the shisha device is configured to heat the aerosol generating substrate received in the receptacle to an extent sufficient to generate an aerosol without combusting the aerosol generating substrate; wherein the chamber comprises a main chamber in fluid communication with the chamber inlet, wherein the main chamber is sized and shaped to allow deceleration of the air containing the aerosol in the main chamber when the air containing the aerosol exits the chamber inlet and enters the main chamber; wherein the chamber inlet has a first aperture in proximity to the aerosol-generating element and a second aperture in the main chamber, wherein aerosol from the aerosol-generating element flows into the chamber inlet through the first aperture and out of the second aperture into the main chamber; and wherein the second aperture has a diameter in a range from 0.5 mm to 4 mm. <EOS>