A natural evaporation type humidifier which, although small in size, has high humidifying performance. A sheet-like member (1) is provided with a water supply section (2) for supplying water to a humidifying section (3), and also with the humidifying secti...

The device (1) for the warming of an airflow (3) by a heat exchanger plate (4) in the airflow path has air humidifying means including a porous material which is connected to heating elements (6) in a heat conducting manner, whereby a water dispensing unit...