VENTILATION DEVICE

To provide a ventilation device capable of inactivating microorganisms in a casing of a ventilation device for purification and suppressing adverse effects on an indoor living body by substances, etc. used for the inactivation of the microorganisms.SOLUTION: A ventilation device 1 includes: a casing 10 in which an air supply air course 10a and an air exhaust air course 10b are formed; an indoor side air supply damper 19 opening/closing an indoor side air supply duct 16 connected to the indoor side of the air supply air course 10a; an indoor side air exhaust damper 20 opening/closing an indoor side air exhaust duct 17 connected to the indoor side of the air exhaust air course 10b; a fan generating an air flow in one or both of the air supply air course 10a and the air exhaust air course 10b; and a sterilizer 30 inactivating microorganisms at least in the air supply air course 10a in the casing 10. The indoor side air supply damper 19 and the indoor side air exhaust damper 20 are closed while the sterilizer 30 is in operation.SELECTED DRAWING: Figure 1 【課題】換気装置の筐体内の微生物を不活化して清浄化を図るとともに、微生物の不活化に使用された物質等による室内の生体への悪影響を抑制可能である換気装置を提供する。【解決手段】換気装置１は、給気風路１０ａ及び排気風路１０ｂが内部に形成された筐体１０と、給気風路１０ａの室内側に接続される室内側給気ダクト１６を開閉する室内側給気ダンパ１９と、排気風路１０ｂの室内側に接続される室内側排気ダクト１７を開閉する室内側排気ダンパ２０と、給気風路１０ａ内及び排気風路１０ｂ内の一方又は両方に空気流を生成するファンと、筐体１０の少なくとも給気風路１０ａ内の微生物を不活化する殺菌装置３０と、を備える。室内側給気ダンパ１９及び室内側排気ダンパ２０は、殺菌装置３０の動作中に閉じている。【選択図】図１