Fog-generating device and removable housing therefore

The present invention relates to a removable housing for removably connecting to a fog-generating device that comprises a heat exchanger, said removable housing comprising a power source and a reservoir containing fog-generating liquid. In particular, the power source is of chemical nature, such as a battery or a pyrotechnic device. The invention also relates to fog-generating devices comprising such a removable housing and the use of such housings and devices to generate fog.