I'm really having a hard time deciding between pellet furnaces. I've heard nothing but good things about the harman and I've read good things about the A maize ing heat furnace. I like the ability to burn corn as well as pellets.
http://www.comfortableheating.com/LDJ_A-Maize-Ing_Heat.htm
http://www.comfortableheating.com/LDJ_A-Maize-Ing_Heat.htm