| 摘要 |
PROBLEM TO BE SOLVED: To perform ventilation while reducing drop of indoor temperature during indoor circulation operation.SOLUTION: A heat exchange ventilator has, in a case, an air supply wind path 31 provided with an outdoor side intake opening 17, an indoor side discharge opening 20, and an air supply blower 29, an exhaust wind path 32 provided with a first indoor side intake opening 19, an outdoor side discharge opening 18, and an exhaust blower 27, and a heat exchanger 30, to perform heat exchange using the heat exchanger 30 between the outside air that is sucked into the case through the outdoor side intake opening 17 by the air supply blower 29 and the indoor air that is sucked into the case through the first indoor side intake opening 19 by the exhaust blower 27. A second indoor side intake opening 21 is provided anew, and the second indoor side intake opening 21 is connected between the outdoor side intake opening 17 and the heat exchanger 30 in the air supply wind path 31, and further between the first indoor side intake opening 19 and the heat exchanger 30 in the exhaust wind path 32 respectively. |
