Abstract: A multi-purpose stove/heater constructed of elements that are readily assembled by hand at a chosen use site, and then easily disassembled and stowed in a compact manner to facilitate portability. The elements can be put together into several different combinations to provide units for a variety of cooking, smoking, heating and drying functions, and each unit utilizes fuel in a highly efficient manner and fulfills current safety requirements as well as those for the protection of the environment wherein the unit is used.