Burn Chambers for Rocket Mass Heaters: A short introduction to 4 types of burns chambers for rocket mass heaters

Bricks or barrels? Pre-fab or pour your own? How do you decide what to make your heater out of? Are they all safe? Do they all really work with the same efficiency?

What works best? Ever ask yourself that question?
When it comes to build a rocket heater have you considered what type of building materials would make for the best burn chamber?
Are you good with brickwork? We weren't.
Ever use refractory cement? We hadn't.
What do the pros build with? Is there a plug and play type of system?
Well, welcome to our world. Inside this booklet are various versions of burn chambers currently be used by backyard builders to the pros.

Written by Ray & Randi Dudley, authors of "Lessons from Our Rocket Mass Heater", this is a primer for folks that have never built a heater and are just starting their research. PACKED with photos, links, websites, stats and resources we take a look at everything from the tried and true brick builds to the cutting edge materials and shapes employed by the innovators and pros. We present the pros and cons plus we talk about things like cost, ease of use and we even look at some unique builds.