I'm selling the Fv to my BIL. He's only got about 13.5' of chimney and I'm hoping to avoid adding another section of pipe, if possible. They tend not to fire up a stove unless it's pretty cool outside so they aren't generally fighting marginal draft conditions. They have had a couple of back-puff incidents with the Resolute III, but not many. I don't see a lot of "flash-over" burns, where gasses build up in the box and then ignite all at once, in the Fv at my place. So I'm thinking this stove would be less prone to back-puff than the Resolute III. I've got over 16' though, and the Fv adds a 90* bend with the rear vent, where the Resolute is top-vent.... Woodstock recommends 15' for the Fv but I know that Dennis runs his on about 13' and says it works well, no smoke roll-out or back-puffing. That's north of the Arctic Circle, though... Anyone else here running an Fv on a short stack?