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A Rocket Mass Heater is a very efficient kind of heater which uses very little fuel (wood) for a maximum output. With the rise of open source knowledge and the online DIY scene, rocket mass heaters became an internet phenomenon.
A Rocket Mass Heater is a very efficient kind of heater which uses very little fuel (wood) for a maximum output. With the rise of open source knowledge and the online DIY scene, rocket mass heaters became an internet phenomenon.