corn pellet furnace boiler wood stove outdoor wood burning furnaces CORN PELLET FURNACE The Pelco has been successfully used in installations with forced-air systems, with the use of heat exchangers (radiator or coil) and can also be used with in-floor (hydronic) heating. Farmers, manufacturers and greenhouse operators are just a few of the owners who have taken advantage of this highly efficient and economical corn pellet furnace.