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DIY Dew Pit Air Well
Stone-lined pit that stays cool; moist night air condenses on rock surfaces and drains into a vessel. Ancient air-well idea, built with local stone and gravel.
$0-40
Cost
1-8 L/day
Daily Yield
None
Power
Hillside / rural humid nights
Best For
Materials List
| Material | Size | Cost | Purpose |
|---|---|---|---|
| Local stone / rubble | pit volume | Free–$20 | Condensation mass |
| Gravel layers | as needed | Free–$10 | Drainage + airflow |
| Food-safe collection jug | 10–20 L | $3-8 | Catch runoff |
| Cover grate / mesh | pit top | $2-5 | Safety + debris |
| Shovel / labor | — | — | Excavate cool pit |
Local stone / rubble
Size
pit volume
Cost
Free–$20
Purpose
Condensation mass
Gravel layers
Size
as needed
Cost
Free–$10
Purpose
Drainage + airflow
Food-safe collection jug
Size
10–20 L
Cost
$3-8
Purpose
Catch runoff
Cover grate / mesh
Size
pit top
Cost
$2-5
Purpose
Safety + debris
Shovel / labor
Size
—
Cost
—
Purpose
Excavate cool pit
Performance Specifications
humid Night
3-8 L/day
moderate Night
1-3 L/day
dry Night
0-1 L/day
power Needed
None