AIR CONDITIONING VENTILATOR

PROBLEM TO BE SOLVED: To provide an air conditioning ventilator in which a heat exchanging element assembly can be easily detached from a main body and fitted to the main body and hardly comes off. SOLUTION: The air conditioning ventilator comprises a box shaped main body opened to an indoor side and having therein an exhaust passage intersecting an air supply passage through which the indoor part communicates with an outdoor part, the heat exchanging element assembly for performing a heat exchange between air passing the exhaust passage and the air supply passage, an air supply fan case 41 disposed in the air supply passage and an exhaust fan case 42 disposed in the exhaust passage. In the main body, a housing body 21 for housing the rear part of the heat exchanging element assembly and a partition plate 22 for partitioning the housing body 21 from the air supply fan case 41 and the exhaust fan case 42 are provided. In the partition plate 22, a rib 25 for supporting the heat exchanging element assembly from its front part is formed.