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Greenhouse 8" Rocket Mass Heater Plans  RSS feed

 
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Greenhouse 8" Rocket Mass Heater Plans

This is one of our newest plan sets, with damp-resistant detailing for indoor-outdoor spaces.  

This plan includes three or four example layouts, both conceptual and proven plans, and notes on how to take advantage of solar or passive-solar gain as well as wood-fired rocket mass heating.









Support the authors (and the Permies empire) by buying these plans here!


$19.95

Greenhouse 8" Rocket Mass Heater Plans
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Seller Erica Wisner
 
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I'm not sure if this is the right one for me. Can I scale it down to say 10 feet? Or if I keep it at 40' can I incorporate turns to cover a shorter but wider area?

I'm hoping to heat the floor of a shed/dehydrator as backup on days the sun doesn't provide enough heat.
 
Erica Wisner
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Cj Sloane wrote:I'm not sure if this is the right one for me. Can I scale it down to say 10 feet? Or if I keep it at 40' can I incorporate turns to cover a shorter but wider area?

I'm hoping to heat the floor of a shed/dehydrator as backup on days the sun doesn't provide enough heat.



Hello CJ,
You could certainly scale things down.
If you add more turns, you need to shorten the overall length a little bit, say 5 feet less for each additional 90 degree turn.
So you could do 4 passes of 5 to 7 feet in length, and cover an area a little larger than a king-sized bed.
Or the same space vertically, as a heated wall, with the exhaust travelling upwards.

We've helped people build oversized rocket mass heaters for lumber-drying kilns; I think you could do a small one for a dehydrator.
You might also look at the 6" rocket mass heater plans - such as the Annex 6" or Daybed 6" RMH plans.

Let me know if you've already bought these 8" plans, and I can email you a diagram and parts list for scaling things down to 6".

Yours,
Erica Wisner
Erica@ErnieAndErica.info
 
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Erica, I'm considering doing something like this to heat an aquaponics system either building a 4x8 raft tank on top of it, or using the mass as one of the sides of the 4x8 tank.  The builders guide has been helpful and great for radiant room heating.  I'm trying to get that heat into water without playing the boom squish.  Do you have any insight?

Best,
J.Dible
 
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