Housing for a household electrical appliance for food preparation, comprising: - a base intended to rest on a work surface and forming a pedestal configured to receive a work vessel, - a head mounted so as to be movable relative to the base and having at least one driver (21, 21', 21"), - a motor intended to drive in rotation a motor shaft connected to said at least one driver (21, 21', 21"), if desired via a transmission device; and - a ventilation circuit having a ventilation wheel to generate a flow of ventilation air suitable for cooling the motor during operation of the motor, the ventilation circuit comprising - an air inlet arranged in a first wall of the housing, the air inlet being formed in the head, - an air outlet arranged in a second wall of the housing, the air outlet being formed in the base, - a deflector arranged around the motor and having an air intake and an air discharge, so that during operation of the motor, the deflector guides the flow of ventilation air along the motor from the air intake to the air discharge, and the motor and the deflector being arranged in the head, - an inlet duct formed in the head of the housing and connecting the air inlet to the air intake, and - an outlet duct formed in the base of the housing and connecting the air discharge to the air outlet, characterized in that: - the air discharge opens out opposite an internal side wall of the housing formed in the base; - the outlet duct is arranged to form a baffle between the air discharge and the air outlet so that the air outlet is located at a distance from and offset from the fan wheel so that, in operation, the air flows down said internal side wall to reach the air outlet. - a base intended to rest on a work surface and forming a pedestal configured to receive a work vessel, - a head mounted so as to be movable relative to the base and having at least one driver (21, 21', 21"), - a motor intended to drive in rotation a motor shaft connected to said at least one driver (21, 21', 21"), if desired via a transmission device; and - a ventilation circuit having a ventilation wheel to generate a flow of ventilation air suitable for cooling the motor during operation of the motor, the ventilation circuit comprising - an air inlet arranged in a first wall of the housing, the air inlet being formed in the head, - an air outlet arranged in a second wall of the housing, the air outlet being formed in the base, - a deflector arranged around the motor and having an air intake and an air discharge, so that during operation of the motor, the deflector guides the flow of ventilation air along the motor from the air intake to the air discharge, and the motor and the deflector being arranged in the head, - an inlet duct formed in the head of the housing and connecting the air inlet to the air intake, and - an outlet duct formed in the base of the housing and connecting the air discharge to the air outlet, - the air discharge opens out opposite an internal side wall of the housing formed in the base; - the outlet duct is arranged to form a baffle between the air discharge and the air outlet so that the air outlet is located at a distance from and offset from the fan wheel so that, in operation, the air flows down said internal side wall to reach the air outlet.