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Old 05-13-2008, 10:53 PM   #1
Join Date: Apr 2008
Location: Houston area
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Horizontal ground loop questions with geothermal

I'm researching geothermal water source heat pumps and cannot find the details I want to know about using horizontal ground loops. Details you may need to know about my house
-Houston, TX area for the installation
-2225 sq ft primary with 500 sq ft bonus room (bonus room will not be finished for a few years but I want to size the system for it)
-3 acres, so plenty of room for horizontal

Now the ?'s
-In the Houston area what is the recommended depth for the pipe installs?
-How many feet per ton should I expect.
-What spacing should be maintained between horizontal runs?
-Is it recommended to stack the pipes in the hole (i.e. put the first 6' deep, cover it with 3' and put another run and finish filling)?
-Is regular backfill soil recommended? I've read some about special mixtures to put around the pipes. Mine is a mixture of gumbo and topsoil.

Thanks in advance,


smcmurrey is offline   Reply With Quote
Old 05-14-2008, 10:06 PM   #2
Join Date: Apr 2007
Location: Sringfield, Oh
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I'm don't design systems, but go to waterfurnace.com you might find some of your answers there.


sgthvac is offline   Reply With Quote

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