Similar in design to the compost pile I have set up to eventually heat the ducks' swimming pool throughout the winter, the following article shows how easy it can be to get free (minus cost to construct) hot water from a compost pile. This design is especially interesting because it is mobile, where most compost water heaters (especially Jean Pain styles) are not.
Click here: Compost Wheelie Bin Hot Water
Love this idea! Need to do this at the farm!
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