A rocket mass heater is a combination of a rocket stove and underfloor heating. A rocket stove works by having such a strong draft created by the heat rising up the chimney that the flames can’t ...

[Little Aussie Rockets] starts off the build by fabricating the feed point for the fuel out of steel, and attaching it to a chimney section. This is the fundamental part of a rocket stove ...

This off-the-grid appliance has a cylindrical design that creates ample insulation, making it more efficient in burning fuel sources and concentrating heat. Rocket ... stove? You can quickly build ...