Você procurou por: stoßlüften (Alemão - Inglês)

stoßlüften dagegen bewahrt sie vor schimmel an den wänden.
periods of airing by opening the window on the other hand, will save you from mildew on the walls.

es ist jedoch bekannt, dass viele menschen zum beispiel wider besseren wissens im winter nur kipplüften, obwohl kurzfristiges stoßlüften viel besser für das raumklima und die heizkosten ist.
but the ideal room climate also depends on the user and his airing habits. it is known that many people, although they know better, in winter air rooms by tilting windows instead of opening them wide and ventilating the room with a short but intensive burst of air, which is not only better for the room climate but also lowers heating costs.

darüber herrscht „dicke luft“. dies ist in der hier gemessenen 5. klasse fast den ganzen tag der fall. auch das kurze stoßlüften hilft nichts.
above this value the air feels stuffy. this is usually the case nearly all day long in the here monitored fifth class. even ventilation did not reduce the co2 content enough.

ein solches feedback-gerät ist das "co2 ampel", welches die luftqualität im raum anhand einer ampel anzeigt, um energieeffizientes stoßlüften zu fördern.
one such feedback device, the "co2 meter", shows indoor air-quality in the colours of a traffic light to motivate energy-efficient "shock ventilation".