Drum roaster for roasting beans

A drum roaster for roasting beans, the drum roaster comprising:

• a housing assembly in which a roasting drum for receiving the beans is rotatably supported;
• a drive device for rotating the roasting drum;
• and
• a heating assembly for heating the beans at least via a heating air, the heating assembly comprising,
• at least one electric heating element for heating a feed air, the at least one electric heating element being arranged in a heating tube upstream of the roasting drum as seen in a flow direction of the heating air,
• a suction fan for extracting the heating air out of the roasting drum, the suction fan being arranged downstream of the roasting drum as seen in the flow direction of the heating air, and
• a feed air fan which is configured to supply the feed air, the feed air fan being arranged upstream of the at least one electric heating element as seen in a flow direction of the feed air.