6 - 3D Plans - Free Heat Bundle

In the Free Heat 3D Plans Bundle you’ll fine step by step instructions on how to build:
- A pebble style 8 inch j-tube rocket mass heater
- A solar food dehydrator with rocket boost
- A coaxial heat exchanger
- The rocket cooktop with Lorena option
- The tiny house cob-style rocket mass heater.
- The sauna rocket heater

To find everything you need to know about rocket mass heaters visit freeheat.info