Abstract: A device is provided for conditioning air by controllably delivering liquid products in a room, a mall, a hospital, a factory, a cinema, an office, a theatre or any similar building, facility. The device includes at least a motor driven electromechanical liquid sprayer and a motor connected to at least a device-operation programming circuit. This programming circuit includes several timers for driving the motor according to programmed data as to start time, end time, sequential activation frequency, length of each sequential activation, etc. The device may be used both for aromatizing and disinfecting and for any procedure requiring spraying liquid products in any room or facility.