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Rocket Mass Heater Plans: Annex 6" L-shaped Bench by Ernie and Erica  RSS feed

 
Erica Wisner
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Hi folks!  We lived with this lovely heater for 4 years and can personally recommend the design!

To purchase the plans, please click your choice of payment below.
Once you have made your purchase with pie or Paypal, you will find a link at the bottom of this post. Click to download, and that's it!



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Seller Erica Wisner




This project also has been featured in a lot of free, online articles:
The fun we had working our way through the permitting process in Portland, Oregon, article on our website HERE

Free video that includes process photos from building this heater (one hour video presentation, we show the Annex 6" building process from 40:00 to the end).



If you already got these plans from us, and have built a rocket mass heater using these plans, we'd love to see your photos and project stories here too! 

Thanks,
Erica W

Full description:

Annex 6" Heater Plans

An L-shaped heated bench, using the rocket mass heater clean-burning and super-efficient wood burning technology. The '6' refers to diameter of heat-exchange ducting.
This design provided the sole heat for an older Portland cottage/apartment of about 800 sf. Over 4 years, we used less than half a cord of salvaged wood per year (local arbor trimmings and building debris). We ran the fire 2 to 4 hours in ordinary cool, rainy weather, and up to 6-8 hours when the weather dropped below 20 F, for constant 24-hour warmth. In summer, the earthen bench was not heated, and instead helped keep the house cooler than it had been in previous years with no need for fans.

The document prints letter format 8.5" by 11, or 11" by 17", six pages including photos; scale drawings of the floor plan, elevation, and sections; a cutaway view; and builder's notes on the construction process.

These are as-built drawings for information only; no guarantees or licenses implied. References to ASTM standards and building codes are included to help prospective builders research local building requirements.

 
Dennis Whittinghill
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Thank you agaain!
 
Jami Gaither
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I bought the plan on PayPal and it brought me to this page and the download worked.  So now I have another copy.   Hope the funding part worked on the front end for ya', Wisners!
 
Erica Wisner
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Thanks Jami!

I just found an older thread showing some early drafts of diagrams from these plans, HERE.


This diagram shows the "snapshot" version, which we used to illustrate the stove for our Portland permitting efforts.  We also used this diagram as the base for several illustrations in the first chapters of our Builder's Guide.
The full plans include a finished version of this diagram, and several more blueprint-style drawings for top view, side views, and details.



This was the first heater project Ernie and I built in our own home, just after we got married, so it has some good memories for sure! 
We only slept on it ourselves for a few days, during an extreme cold snap, but we had a lot of happy, cozy guests that "couch-surfed" during those 4 years. 

(Not all of the guests who slept on it had intended to spend the night.  We had one particular pair of friends with stressful jobs who would come over for dinner, we'd sit down for a drink and conversation afterwards, and he would just melt on the bench and fall asleep on her shoulder.)

-Erica
 
Jami Gaither
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Ah, what great stories!  We just showed our Clay to a friend yesterday and have more people interested.  Hopefully we'll be building some more RMHs soon.  Thanks again for all you do!
 
Erica Wisner
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Location: Okanogan Highlands, Washington
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books cat dog food preservation hugelkultur
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Jami Gaither wrote:Ah, what great stories!  We just showed our Clay to a friend yesterday and have more people interested.  Hopefully we'll be building some more RMHs soon.  Thanks again for all you do!


Pictures!!! (next time you get a chance?)

Love,
E
 
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