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A low cost highly efficient heating systems which can be selfbuilt from recycled materials.

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Super efficient wood-burning rocket mass stove, but applied to cooking and not just heating the living room. One of the better designs I've been able to find so far.

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There's nothing better in the winter than knowing you can heat your home for two or three days of residual heat off nothing more than a handfull of twigs. This first fantastic design by Jon Santiago http://jonalejandro.com , builder in collaboration with Julian Irusta and El Manzano Permaculture School.The design concept of the rocket mass heater takes the heat of the flames and runs it along through a mass of cob that heats and retains the heat to slowly dissipate it into the home…

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