At 23:42 01/02/04, you wrote: >I have to wonder if it would actually be better to vent close to the floor >seeing that CO and CO2 are heavier than air.... I think so anyway. > > Ted Jones Ted, The hot gasses rise, the are heavier than air when cold or at room temp. But when as hot as they are when they exit the forge they rise until they cool down to room temp. Dave Brown Heritage Smithing Green Bay, WI