just my couple cents on the domestic refrig smokers electric mine were all outside i used floor registers one in the door about 5" up and another one in the top dead center and adjusted my air flow and exhaust that way made somm good meat in those sorry no pictures they have long rusted out. im building one right now that i'm placing in my shed so i dont have to fight the wind and rain etc i will take some pics later and show what ive got so far warning i over enginered this one at current stat i beleive i could smoke about 220# of summer sausage more to follow