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Geothermal for the Home

 
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jabailo



Joined: 20 Mar 2006
Posts: 1273
Location: Kent (East Hill), WA

PostPosted: Wed May 23, 2007 11:32 pm    Post subject: Geothermal for the Home Reply with quote

This company sells home geothermal heaters.

http://mgea.com/

It includes information about calculating lowered costs.

Wonder if they can hook up a generator (for electricity) to it?
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brian-hansen
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Joined: 17 Mar 2006
Posts: 712
Location: Oregon

PostPosted: Thu May 24, 2007 12:07 am    Post subject: Reply with quote

Interesting technology... I've seen this kind of thing before, oddly
enough for cooling. Assuming you don't go too deep, you can tap
into the fact that the ambient temperature just below the surface of
the ground stays at roughly 55 degrees year round. Use cool water
to cool your home, then run it through underground pipes to dissipate
the extra heat. You could run separate heating and cooling pipelines
and be totally set.

As far as running a turbine, I think this pretty unlikely. Most locations
do not have strong geothermal resources available. Turbines operate
on the difference of temperatures. Without special geothermal resources
or extremely deep pipelines, the temperature difference would not
generate much power.

-Brian
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jabailo



Joined: 20 Mar 2006
Posts: 1273
Location: Kent (East Hill), WA

PostPosted: Fri May 25, 2007 4:35 pm    Post subject: Reply with quote

I wonder if would be possible to construct a kind of "thermal cell" -- similar to a solar cell -- that could take heat directly from underground and convert it to electricity.
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