A smoking device (10) for smoking foods, which comprises: a smoking chamber (20) for containing food to be smoked, a combustion chamber (40) independent of the smoking chamber (20) and provided with a heat source for generating a mass of gas for smoking and conveyor means of the a flow of the smoking gas into the smoking chamber, wherein the conveyor means comprise a conduit (50) having a variable length and suitable for connecting the combustion chamber (40) with the smoking chamber (20) for regulating the temperature of the smoking gases conveyed into the smoking chamber itself.