Rocket Mass Stove Burns Tiny Amounts of Wood, Heats for Well Over 12 Hours

If you burn a fire in the evening, his carefully designed rocket mass heater/bench heats a room (and the occupant's butt) well into the next day.

Source: http://www.treehugger.com/energy-efficiency/rocket-mass-stove-burns-tiny-amounts-wood-heats-well-over-12-hours.html

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