Ok all you hearth shop owners and workers...how do you vent multiple solid fuel units in to a single vent? I know you aren't supposed to do it...I know, I know, I know. For my shop I'm hoping to have 4 or 5 burn units (all pellet) and was thinking about T'ing them all into a single Class A chimney behind the wall. Ultimately I would only have 1 or two working at a time but I'm not sure my landlord wants me putting 6 penetrations through the roof and I have no exterior walls to work with. What say you? I've seen it done. I have it done at my shop now, just curious what you folks have tried and what works and didn't work. Feel free to PM me if you have something to add but don't want it public.