rocket mass heater

  1. paul wheaton
    Thread

    Rocket Mass Heater Myths: "they cannot be that efficient"

    Donkey, Peter, Erica, Mud and I attempt to address skepticism over the claims that a rocket mass heater can heat a home with one tenth the wood....
    Thread by: paul wheaton, Nov 6, 2017, 2 replies, in forum: Designing, building, making and powering your life
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