Ben Logsdon wrote:There are a lot of numbers thrown around when it comes to efficiency. Everyone looooves numbers even when they are meaningless. So, does anyone know what the efficiency are based on? That is, how much wood is turned into heat vs how much wood is turned into HOME heat?
I have an old stove that puts a lot of heat up the chimney and should be replaced. There are so many directions to go: the forum favorite RMH; EPA certified re-burner or cat stove; retrofit with the IntensiFire insert.
I've seen RMH fans talk about 90% and from the look of the exhaust, I believe it. The EPA says the stoves they give their blessing to are 50% more efficient. If I assume my stove is 60% efficient, then an EPA stove would be 90% efficient. Probably not since a cursory search shows manufacturers state values around 75% for re-burning and 80% for cat stoves. And lastly the Intensifire insert claims 60% increase. So, 93% efficient? A condensing natural gas unit maybe.
Thoughts? Scientific or anecdotal evidence welcome.
manufacturers state values around 75% for re-burning and 80% for cat stoves
The EPA says the stoves they give their blessing to are 50% more efficient.
The Dragon core seems to be very rocket-esque but will burn larger wood.
Would running a stainless steel chimney liner help?