| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat exchange ventilation device capable of keeping heat exchanging efficiency by securing air-supply volume while suppressing a height dimension.SOLUTION: A heat exchanger 14 has a rectangular shape in which sides in parallel with an upper face and a lower face of a casing 1 are longer than sides vertical to the upper face and the lower face of the casing 1 in a front view from an indoor-side side face 1a or an outdoor-side side face 1d, one of a heat exchanger internal air supply passage 6e and a heat exchanger internal exhaust passage 7e is formed along the longitudinal direction of the heat exchanger 14, and the other is formed along the lateral direction of the heat exchanger 14. |
