An air conditioning system which includes a controller having processing circuitry connected to a database and a dispenser is disclosed. The controller includes at least one memory, at least one processor, and at least one timer. The timer may be programmable to trigger the dispenser via the controller to dispense an air treatment or scent based on the time of day, morning or evening/night. The air conditioning system also includes a facial recognition camera or a sensor array each configured to cause the dispenser to dispense an air treatment or scent. The facial recognition camera is coupled to the controller to dispense an air treatment or scent based on the majority preference of the recognized faces. The sensor array includes a motion detector and a light detector configured to trigger the dispenser via the controller to dispense an air treatment or scent in an air stream of the air conditioner.