A rocket stove mass heater or rocket heater, is a space heating system developed from the rocket stove, a type of efficient wood-burning stove, and the masonry heater. If you don’t have central heating and you don’t feel like shelling out your hard-earned dollars for ineffective store-bought space heaters, the rocket heater is a great DIY alternative. It can also be used to cook!
2 tall cans about, 6 inches across and 10 inches tall. (We used paint cans.)
1 piece of aluminum flashing, about 3 feet long.