posted 3 years ago
Hi Er,
I don't know lots about rocket stoves, but having lots of insulation plus a heat source would definitely be the way to go :)
When you are trying to keep things warm you want to focus on two things. First, reduce the amount of space to heat, so you don't need as much. Second, reduce the amount of heat that escapes, so you don't need as much.
In a barn with living things, I would suggest focusing on insulation that is breathable so it won't trap moisture like the plastics and foams many people use today. Rockwool insulation, sheep wool insulation, and hempcrete (also hemp batt insulation) all come to mind. I don't know how big your barn is, but most have a lot of height compared to the height of the animals staying there. If you could somehow block off the top floor storage, or make shorter ceilings for the stalls, it would help keep the heat closer to the animals. If you got good enough insulation and depending on the size of barn and how many animals you have in there, you might not need much at all since each animals is giving off heat themselves.
"When the whole world is running towards a cliff, he who is running in the opposite direction appears to have lost his mind." C.S. Lewis
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