Category Archives: Rocket Mass Heaters

The Solar Living Institute in Hopland, CA

This gallery contains 13 photos.

I wanted to continue my education in photovoltaics so I recently drove up to northern California to take a workshop at the Solar Living Institute. Their 12 acre site includes cob houses, a tiny house built on an old trailer, … Continue reading

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Rocket Mass Water Heater

I wanted to share this great video by the Permaculture Research Institute on how to build your own Rocket Mass Water Heater. It can be done for a very low cost using all, or mostly, recycled materials. Enjoy and good … Continue reading

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Fire in the Hole!

This gallery contains 26 photos.

Our second rocket mass heater workshop is complete. After 4 days we were able to get the main structure up and fired. Works great! The stonework on the exterior really adds a nice touch. We built it in the common … Continue reading

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Movin’ up n’ movin’ on

This gallery contains 8 photos.

After running off to Ecuador to renew my visa, solstice in the Andes, and then a two week sabbatical in the Sacred Valley, I have returned with two new apprentices. Karen, Andrew, and myself are finishing up unfinished projects starting … Continue reading

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Workshop Complete!

This gallery contains 33 photos.

Our two week intensive natural building course is finally complete! For this course, we worked on 3 different buildings on site that are in multiple stages of construction. One is at the foundation level, the second is a cob house … Continue reading

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Moving Along at an Epic Pace

This gallery contains 20 photos.

Things are really moving along here with a flurry of activity. We have many projects underway that need to be in place for our 2 week cob course that begins on 3 December. We have pit greenhouses that are being … Continue reading

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A Rocket Mass Heater Build

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Here are some photos of a rocket mass heater that I recently worked on. It is finished except for the bench which needs to be cobbed in. The book Rocket Mass Heaters by Ianto Evans is a must read if … Continue reading

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Rocket Mass Heaters

Since I have been mentioning Rocket Mass Heaters recently I realized that I should post a short introduction for those who have never heard of them. Based on the principles of a Rocket Stove, Ianto Evans of the Cob Cottage … Continue reading

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Cal-Earth

This gallery contains 9 photos.

There has been a lot of progress at Cal-Earth since the open house last month. The second rocket mass heater is nearing completion, notice that the heater pipes run through the sleeping pod floor! In addition, the building that houses … Continue reading

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Cob Cottage Company

The Cob Cottage Company in Coquille, Oregon offers multiple workshops in Cob, Thatch, Strawbale, Timberframing, Plaster, Ecological Food Production, Rocket Mass Heaters, and more. They also offer 6 apprenticeships per year for a 2 month program which generally begins in … Continue reading

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