An air handling system includes an indirect heat exchanger, a first circulation equipment, a second circulation equipment, a third circulation equipment, a direct adjusting apparatus, a first sensor configured to detect a state of a first air, a second sensor configured to detect a state of a second air, and a control apparatus configured to receive the state of the first air, receive the state of the second air, and control at least one of a circulation of the first air within the first circulation equipment, a circulation of second air within the second circulation equipment, a liquid injection by a vaporization part, an exchange of the second air with the first air with the third circulation equipment, and a direct adjustment of the second air with the direct adjusting apparatus based on the received state of the first air and the received state of the second air.