Rocket Mass Heaters: Superefficient WoodStoves You Can Build

rocket mass heaters coverAre you looking for a rocket stove heater you can build and snuggle up to? If you are, the book about how to build one, and the site about the book, can be found at

Funding for development of the Institutional Stove Design Tool and part of the original funding for this web site were provided by the Ashden Trust.