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Home Forums DIY Make A Passive Fireplace Heat Exchanger Reply To: Make A Passive Fireplace Heat Exchanger


you can also add fins runing vertically up your pipe
then lay another larger section of pipe over the outside of the fins
if you leave a decent gap at the top and bottom you will get a nice convection flow going and extract even more heat from he pipe
in anycase, once you start extracting excess heat from your stovepipe it will cool faster and accumulate more creosote, so be sure to keep your pipes cleaned frequently