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...

A cleaning assembly has a multi-channel fluid dispenser (13) that is directed at air conditioning lamella (10) found in vehicle and building air conditioning systems. The fluid dispenser has a series of fingers (14) that are inserted between lamella (10).