HouseholdBacked by experts
Ventilate in the evening or early morning when outside air is cooler
In hot weather, only open windows when it is cooler outside than inside, usually in the evening or early morning.
- Time
- ⏱ laufend, 2 Handgriffe
- Difficulty
- ◆ easy
How to do it
- Air in the evening or early morning, once it is cooler outside than inside.
- Close the windows again as soon as the temperature rises.
Why it works
That lets the stored heat escape from the building over several hours.
Variations
- Night ventilation over several hours.
- If insects are a problem, use an insect screen.
Sources
This is where we found the tip. The badge above shows how well it is backed up.
- verbraucherzentrale.de (opens in a new tab)
Lüften Sie erst, sobald die Temperatur draußen niedriger ist als drinnen: meist abends oder am frühen Morgen.
