Authority: IC 13-1-1-4; IC 13-7-7
Affected: IC 13-1-1-2; IC 13-7-1
Sec. 19.
The combustion of fuel to produce usable heat that is to be transferred through a heat-conducting materials barrier or by a heat storage medium to a material to be heated so that the material being heated is not contacted by, and adds no substance to the products of combustion.
326 IAC 1-2-19