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Self Powered Hydronic Heating System for Wood Stoves Generates Power and Runs Your Lights!

 
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Check out this video of a self-powered hydronic heating system:

https://www.youtube.com/watch?v=nbJ1PlwC-MA

You can heat hot water in a tank, move heat to radiators, radiant tubing & baseboard.

The circulator pumps are run by the Wood Stove heat.

We have pumps and a pump controller available at:

http://www.tegmart.com/thermoelectric-generator-accessories/

The water cooled thermoelectric generators can be purchased at

http://www.tegmart.com/thermoelectric-generator-products/



 
Lab Ant
Posts: 46
Location: Wheaton Labratories
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I wonder how well this system would work with a rocket mass heater?

The biggest system they sell is only 70 watts so it won't power your whole home, but it could handle led lighting and charge your gadgets.
 
Chris Allen
Lab Ant
Posts: 46
Location: Wheaton Labratories
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I did some digging and this technology has been around for a while. I found some DIY on how to make your own: just some soldering, add a few heat sinks and you get volts. Now that i think about it the barrel of a Rocket Mass Heater may get too hot for the purpose of these chips, which work on about 100 degree temperature difference to generate power.

I would probably make a heat collector with a separate chimney like in the solar dryer video Paul did https://www.youtube.com/watch?v=oVTcnCuX2Qc
 
pollinator
Posts: 684
Location: Richmond, Utah
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I would advise anyone considering this product to have a hydronics engineer take a look at the heat transfer from the stove to the heat exchanger. This is going to be a nearly insignificant amount, because of the small space the heat exchanger is gathering heat from and the materials used. I know, because I had this idea and worked it through and after seeing the load calculations, decided that it was not worth doing.
 
Posts: 226
Location: South central Illinois, USA
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Bill that's interesting... I am building a hydronic system using a re-purposed cast iron radiator for a heat exchanger next to the stove. I've recently bought and plumbed in a 1/25 HP circulating pump. I'm going to try and get up to speed on these products, they may work for me too!
 
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