With it still being winter time, and with many mega-blizzards going on though out the USA, there will always be a need for alternative ways of keeping warm and cooking. Rocket stoves and rocket mass heaters neatly fit the bill here, what is really great about them is they don’t use up loads and loads of wood, in fact you can burn twigs in them quite nicely. Since I first wrote about rocket stoves, there have been many experiments and improvements made by industrious tinkerers, and fortunately for us, these tinkerers also have cameras and are putting up videos of their progress.
I have seen many videos about people using rocket mass heaters to heat their greenhouses. A rocket mass heater is merely a rocket stove with a thermal mass around it to capture and hold the heat generated by the rocket stove. These look pretty easy to build and use, they are very efficient, burning hot so there isn’t much ash or smoke, they use less fuel as well. Some of these are even designed to burn pellets, though I am not very interested in burning pellets myself, it is an alternative for those who have ready access to pellets.
Here are some of the latest videos I have found on rocket mass heaters, enjoy!
There are a lot more rocket mass heater videos on YouTube, just do a search and have fun.
Here is the number 1 recommended book on how to build rocket mass heaters:
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