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a General question for ALL rocket mass heaters

PostPosted: Thu May 16, 2013 10:02 pm
by joshua4511111
I'm in the process of buying a home with the intent of putting in a rocket mass heater. I realize that RMH have no long term history in that they are relatively "NEW" for a good heating system. My question has to do with the longevity of the barrel above the heat riser. Being that it is relatively 'thin' metal'... How long can I reasonably expect the 30 or 55 gal drum to last? Assuming I would be routinely using the RMH consistently of 3-5 times a week and the fact that an efficient burn tube throws out temp. about 1000 degrees F...How long can I expect the top to last before having to replace the barrel???? Again, I am assuming 'regular and routine" use... would not the top bar (for instant heat" 'burn out' or be unusable after a period of time??? Would I not have to replace the barrel after 1-2 years? Does it not get that hot to 'burn off/out the metal of the barrel? Thanks in advance for any helpful information.