Rocket Mass Heaters

SpiritWood Natural Building offers to consult or build Rocket Mass Heaters (RMH). RMH are highly efficient stoves similar to Masonry heaters that burn at extremely high temperatures and have exceptionally low emission rates. These wonderful stoves burn less fuel, for less time, giving off less emissions and saving home owners hundreds of dollars each year in savings.

We offer both J-style and Batch box heaters. Check out some of our builds below and contact us for a quote.

6" J-Style RMH

A 6" RMH single bell and no bench. This is an appropriate stove for small workshops that need fast heat.

8" J-Style RMH

An 8" J-style RMH with a heated 12' bench. Suitable for a small home.

8" Batch Box RMH

The big one. This 8" diameter batch box heats over two yards of mass in the form of a double bench. This is suitable for houses that need a lot of heat!

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