An assembly for evaporating a volatile fluid is described, the assembly comprising a device and a refill which are detachable from one another:;wherein the device comprises a magnetic induction coil configured to operate with an alternating current passed therethrough at a frequency of between substantially 20 KHz to substantially 500 KHz and a volatile fluid transport means receiving area containing at least one piece of heat-conducting, non-magnetic metal foil and/or deposited heat-conducting, non-magnetic metal;
