geothermal residental system

yankeegrannyApril 12, 2010

We live near Myrtle Beach SC and our heat pumps are on their last legs. We are considering heat pumps, propane furnace or geothermal as replacements. We have a 2400 sq ft rance that is extremely well insulated. 30 ft behind out house is a 1 acre 20 ft deep pond that could be used for a coil type of geothermal installation. Is anyone out there familiar with the pond type of installation? We sit on 90+ feet of sand and have a lot of acreage so we could do a horizontal installation if needed. I read a lot about installing geothermal up north where it is cold, but how about down south where the ground doesn't freeze and winter is only a few weeks long?

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Using the pond may be possible. 90 feet of sand may not be the best condition for a ground loop. I would suggest consulting with an accredited professional in your area before ruling anything in or out.


Here is a link that might be useful: IGSHPA, International Ground Source Heat Pump Association at Oklahoma State University

    Bookmark   April 13, 2010 at 10:09AM
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Sounds like you have an ideal set up for geothermal. Try asking for information on the forums, quite a few professionals are on there and will give you solid advice. I know that a few do pond loops all the time because they talk about them. And, some live in florida and the south so could give you tips as well.

As for me, I live in a coastal area in the northeast and my vertical ground loops go through a mix of sand and gravel, but it sure looks like sand to me when it gets drilled. My loops work very well. I LOVE my geothermal system. It was just put in in late December and has kept our house so warm and cosy.

    Bookmark   April 26, 2010 at 12:19PM
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Question for "sunnyflies." Did you have to case your wells (expensive, right)? How deep were they?

    Bookmark   September 13, 2012 at 11:26AM
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Annie Deighnaugh

We've been living with our geothermal system for 2 years now and the the thing runs fine. We live in the northeast and use it for heating more than cooling, but it does both jobs very well. Best part is waving at the oil trucks as they drive by the house!

    Bookmark   September 24, 2012 at 7:25AM
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