| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat exchange ventilation fan capable of reducing malfunction even when there is dimensional variation.SOLUTION: A heat exchange ventilation fan includes: a rear casing 18 where an exhaust outlet 37 and an air supply inlet 39 are formed; a first shutter 81 provided in the rear casing 18 and adjusting the opening/closing the exhaust outlet 37 and a part of the air supply inlet 39; a second shutter 83 provided in the rear casing 18, and adjusting the opening/closing of a part of the air supply inlet 39 by being interlocked with the first shutter 81; and a hook-shaped member 101 provided in the rear casing 18 and formed along a movable direction of the first shutter 81 and the second shutter 83 respectively. The hook-shaped member 101 supports at least one of the first shutter 81 and the second shutter 83, and when the first shutter 81 is moved, guides the movement of at least one of the first shutter 81 and the second shutter 83. |
