Mr.Topwater! Posted October 16, 2015 Report Share Posted October 16, 2015 (edited) Hi. This may seem like a stupid question. Is it possible to share a flue between a wood burning stove and a propane furnace? Is it safe and legal? We're moving to Land o' Lakes area in December (Arden area) .Any recommends for wood stoves and installations in area. Also, good places to buy firewood? Thanks, all. Edited October 16, 2015 by Mr.Topwater! Link to comment Share on other sites More sharing options...
cheaptackle Posted October 16, 2015 Report Share Posted October 16, 2015 More than likely not at all - I'm not an expert or licensed but it just seems to me that there would be back draft issues from one appliance to the other. I've never seen or heard about shared flues like that - sure would be interesting to have an expert chime in here - I'd like to know too! Michael Link to comment Share on other sites More sharing options...
leaf4 Posted October 16, 2015 Report Share Posted October 16, 2015 It might be, I'm not a gas tech, but I work with a bunch and if its not answered by Monday I'll ask one of them. But I have seen in the past a hot water tank and furnace share the same b vent stack, though from what I remember they were both power vented so that could be why Link to comment Share on other sites More sharing options...
livinisfishin Posted October 16, 2015 Report Share Posted October 16, 2015 (edited) No a solid fuel appliance vent can not be shared. Edited October 16, 2015 by livinisfishin Link to comment Share on other sites More sharing options...
DRIFTER_016 Posted October 16, 2015 Report Share Posted October 16, 2015 No you can't. Link to comment Share on other sites More sharing options...
aplumma Posted October 16, 2015 Report Share Posted October 16, 2015 Solid fuel includes coal or corn or cherry pits, but for most of us that means cord wood or pellets. The rule here is easy and clear. IRC M1801.12 Multiple solid fuel prohibited. A solid-fuel-burning appliance or fireplace shall not connect to a chimney passageway venting another appliance. In other words, only one appliance per flue, period. It goes without saying, I hope, that gas or oil appliances cannot be vented into a flue which also vents a solid fuel appliance. EVERY SOLID FUEL APPLANCE GETS ITS OWN VENT! AS PER USA RULES Art Link to comment Share on other sites More sharing options...
KraTToR Posted October 17, 2015 Report Share Posted October 17, 2015 (edited) Years ago my dad had a furnace that used 2 types of fuel, NG and Wood (dual fuel). When the temp of the wood fire died down (say in the middle of the night) the NG would take over and keep the house at temp. I'm sure there's Propane models as well. Because wood burns hotter than gas, it requires an A vent which is higher quality and more expensive than a B vent. From memory, an A vent is an insulated stainless steel vent, a b vent can be aluminum or galvanized or something like that. Edited October 17, 2015 by KraTToR Link to comment Share on other sites More sharing options...
DRIFTER_016 Posted October 17, 2015 Report Share Posted October 17, 2015 My buddy up in Durham has a wood/oil version of that type of furnace. Link to comment Share on other sites More sharing options...
Sinker Posted October 17, 2015 Report Share Posted October 17, 2015 Wood/oil is quite common....never seen wood:propane though. S. Link to comment Share on other sites More sharing options...
Old Man Posted October 17, 2015 Report Share Posted October 17, 2015 If you're just interested in supplementing your propane forced air heat with wood. You could look at adding and outdoor wood fired boiler with a heat exchanger installed in your existing furnaces plenum. It also has the advantage of being able to heat your hot water as well, and is cleaner than bringing in and burning wood in your home. http://hawkenenergy.com/how_it_works/ Link to comment Share on other sites More sharing options...
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