Heating Water with Fire (2019)
I found this helpful in describing a bit about how to build such a system. As someone that operates solar, it&#x27;s become quite clear that solar gives very little energy in the winter and water heating is a huge part of winter power use. So if you&#x27;re going off grid, this seems like a critical part. Now if we just had some better tech around turning felled trees into a furnace without so much human effort....