We’re planing an outdoor woodpowered water heater build for this spring – orienting on this build we’ll tinker and explore the topice in an open workshop format.

We’re inviting interested folk who want to experiment together with efficient wood stoves and low-tech solutions to warm water. Approx. building time will be around 2-3 days probably in April / May. Please register at felix [ät] jonglirium.com – The Workshop is donation based – (our recommendation is 12 € / Day)

Source: https://www.permaculturenews.org/2012/11/23/rocket-stove-hot-water/
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Scheduled Events and Workshops Open Workshops