A pebble style rocket mass heater installed at a home in Montana
A rocket mass heater (RMH), also known as rocket stove mass heater, is a form of slow-release radiant heating system, designed to primarily heat people and secondarily to warm areas in line of sight around it. Variations of RMH can also be extended for the functions of cooking, heating water, and producing warm air for distribution.[1]
Rocket mass heaters are developed from rocket stoves, a type of wood-burning stove, and masonry heaters. A primary design of a rocket mass heater consists of an insulated combustion chamber where fuel is burned with high efficiency at high temperature, and a large thermal mass in contact with the exhaust gases, which absorbs most of the generated heat before the gases are released to the atmosphere.[2] According to anecdotes a rocket mass heater might reduce fuel consumption by 80–90% compared to "conventional" stoves.[3][4]
In contrast to conventional wood-burning stoves and fireplaces, in a rocket mass heater, combustion is close to complete. In a rocket mass heater, by-products of combustion, such as smoke, soot, and creosote compounds, are sucked into the insulated tunnel of the unit, where some[who?] claim they further combust, releasing even more heat energy to drive the rocket process, unlike a normal fire, where they are blown out the chimney.[5]
^Wisner, Erica; Wisner, Ernie (2016). The Rocket Mass Heater Builder's Guide. New Society Publishers. ISBN 978-0865718234. Retrieved 3 August 2020.
^Evans & Jackson, Rocket Mass Heaters, pp. 5, 20
^Apps, Rozie (20 February 2015). "Permaculture magazine". Permaculture magazine. Retrieved 19 August 2020.
^Cshimasaki (23 March 2019). "What's the Most Sustainable Way to Heat a House?". jizoku. Retrieved 19 August 2020.
^Meadows, Joel; Palmer, Dan (14 November 2016). "The fundamentals of Rocket Stoves". Permaculture Principles. Retrieved 3 August 2020.
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