Geo Thermal heating?

  • We are currently upgrading MFK. thanks! -neo
It should work very well as the temperature is very stable and the low temps needed for tropical systems would mean you only need a relatively small surface area of land...unless you wanted a bore hole, but that may prove too expensive, depending on where you are and what companies are about. . You would need a few large tanks to make it worthwhile as I would guess buying/installing a small system would be around £1000. If I was going to put on in for the tanks, I'd do a bigger one for the whole house too...

If your handy though this would be the ideal application to try making your own, theres not much too them. And if it stopped working youd know as your in tank heaters would start again, so not much risk.
 
It is used in Japan for room heating as there are many themal springs there. Heat exchangers are used, not using the water directly since the water usually has minerals and sediments but the heat is easily and accurately controlled with taps to control the flow/amount of water/heat. I am sure it is used for aquariums too.

On a different but related topic, there are usually pipes coming directly out of these thermal springs with taps periodically along the length. Each tap has the temperature of water written above it and the temperature falls uniformly along the length of uniform pipe.

You just need the geothernmal source to be convenient or cheap enough for this to be worthwhile.
 
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