The invention relates to a device (1) for malting cereals comprising a tower (2) consisting a certain number of stories which are separated from each other by storey floors (9, 10), each storey comprising an air-proof carrier plate (13) carrying germinating cereals (24). Said tower also comprises air conditioning means for air conditioning, transfer means provided with a feeding channel and a removing channel for transferring conditioned air by means of the feeding channel which extends from air conditioning means downwards to the bottom of the carrier plate, passes along said carrier plate and a cereal layer arranged thereon in a direction of the top surface of said cereal layer and exits said top surface of the cereal layer by means of the removing channel. The inventive device is characterized in that the feeding channel and/or removing channel extend through a central opening in at least one storey floor.