Survey of pollen intrusion to air handling unit from outdoor air

Abstract

As a route of entry into the room of pollen, clothing and window are representative. However, according to the survey results in the authors at the office, there was a possibility that the intrusion from the air conditioner. Therefore, in this study, it was carried out survey of pollen entering the air handling unit. The results showed that intrusion amount of pollen from the outdoor air to the air handling unit was found to be very low and that the possibility of entering from the return air is considered