Air Well -

: It uses natural temperature differences to cool humid air until water droplets form (similar to morning dew). Designs :

: Massive stone structures, like the famous 1931 Achille Knapen well in France, designed to stay cool during the day. air well

In architecture, an air well is an unroofed internal space or "light well" within a building designed to provide to inner rooms. : It uses natural temperature differences to cool

Also known as an , this structure collects water by promoting the condensation of moisture from the air. Also known as an , this structure collects

: Uses lightweight surfaces that cool quickly at night by radiating heat into space.

: Modern devices that use energy (like a dehumidifier) to cool air and collect water.

: While historical "dew towers" often had low yields (only a few liters a day), modern low-tech condensers are more efficient. 🏠 Air Well (Architectural Feature)