VENTILATION APPARATUS

A ventilation apparatus includes a housing; a case accommodated in the housing and including a main case having a suction passage for guiding outdoor air into an indoor and an exhaust passage for guiding indoor air to an outdoor and formed by crossing the suction passage, and a lower case coupled to a lower side of the main case; a ventilation module disposed at a position inside the main case where the suction passage and the exhaust passage cross each other, and including at least a total heat exchange element for heat exchange between outdoor air and indoor air without mixing; a suction fan module placed on the suction passage to suck outdoor air; an exhaust fan module placed on the exhaust passage to suck indoor air; and an evaporator placed on the suction passage at a position between the ventilation module and the suction fan module.