A beverage maker may include a fermentation device including a fermentation tank assembly having an opening, and a fermentation lid that opens and closes the opening, a refrigeration cycle including a compressor, a condenser, an expansion mechanism, and an evaporator formed therein such that a refrigerant circulates in the compressor, the condenser, the expansion mechanism, and the evaporator, which may adjust a temperature inside the fermentation tank assembly; a blower that may dissipate heat emitted by the condenser; a gas discharger connected to the fermentation device that discharges gas inside the fermentation device; and a rear cover provided behind the fermentation device which may include a through-hole such that both air blown by the blower and gas discharged from the gas discharger may be discharged through the through-hole.