Ber Caumel
D'autres idées de Ber
A single rocket heater produces whole house heating when the exhaust tube is run under the container's foundation and insulated by straw bale...collapsing after a day's work by fishermansdaughter, via Flickr

A single rocket heater produces whole house heating when the exhaust tube is run under the container's foundation and insulated by straw bale...collapsing after a day's work by fishermansdaughter, via Flickr

rocket stove high level !

rocket stove high level !

Rocket mass heater. marquedeposee.over-blog.com

Rocket mass heater. marquedeposee.over-blog.com