In Germany, people swear by a simple habit called Lüften—airing out indoor spaces and keeping a home fresh and healthy. The concept is simple: open your windows completely for three minutes if it’s breezy, and five to ten minutes if it’s not. This allows fresh air in, pushes stale air out, and prevents humidity buildup and mold growth.
There are two variations: Stoßlüften (“shock ventilation,”) where windows are opened wide for a short burst of air, and Querlüften (“cross ventilation,”) which creates airflow between opposite windows. Both techniques improve air quality, enhance focus, and support overall well-being. Lüften is especially important in colder months when tightly sealed homes trap moisture and stale air.
Idea for Impact: Make Lüften a daily habit—refresh your space, clear your mind, and breathe better.
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