Compost Hot Water Heaters
It may seem unbelievable that a simple compost pile filled with anaerobic bacteria could heat water to temperatures hot enough to scald skin. It is, however, entirely possible and easily replicated at home…
Wood Gas Generators
On this page you’ll find some of the best wood gas generator resources, videos and tips available online about building and using your own wood gas generator…
Rocket Mass Heaters
The rocket mass heater or rocket stove mass heater is a hybrid heating system developed from the rocket stove. Here are 15 of the best resources we’ve found online about building your own rocket mass heater…