What is a rocket stove, and how do I build one?
A rocket stove uses a j shaped fire tube to efficiently convert solid biomass fuel (wood, biomass briquettes, etc.) into heat, with minimal emissions. A rocket heater adds an insulated heat riser, and a radiator, as well as a thermal mass for slowly radiating heat into the surrounding area. A inexpensive unit can be made from cans, or thermal mass units with concrete, brick or cob.
http://en.wikipedia.org/wiki/Rocket_stove
http://www.richsoil.com/rocket-stove-mass-heater.jsp

Hermon Heater Plans


I’m sitting here enjoying a great cup of organic coffee, dripped to perfection, but no coffee maker in sight. It’s called 
