This video series shows the build of a one of kind Rocket Mass heater.This heater uses aerate concrete and keep the ‘mass’ of the rocket mass heater light. This heater goes together like an erector set, and comes apart just as easily. It’s custom exhaust can be rotated 180 degrees in any direction, and can be routed through a mass bench as well as its custom mini mass. This heater can save you up to 80% on your heating bills.This heater is beautiful and built completely from reclaimed and repurposed items. The advantage of this type of rocket mass heater is the huge increase in the efficiency of capturing and storing the available heat.