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Type: Posts; User: down2earthgeo

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  1. Replies
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    800' of loop is no where near enough for your...

    800' of loop is no where near enough for your load of a 3200 sq ft house. Alabama averages about 800' of horizontal loop per ton for geo. A manual J needs to be completed if not already to...
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    If you pump from one well and return to another...

    If you pump from one well and return to another well screened at the same elevation, then you will only have to overcome the friction losses in the pipe--just like a closed loop. In addition, the...
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    I'm talking about the mean earth temperature...

    I'm talking about the mean earth temperature which is the temp at about 30' down which is generally consistent with groundwater temps. The temperature fluctuates above 30' by up to 40 degrees...
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    In Florida (and other areas with high ground...

    In Florida (and other areas with high ground temperatures) geothermal can be a tough sell in competition with air source. However, the 30% federal rebate certainly help level the playing field.
    ...
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    Regarding vertical loops, Central Florida's...

    Regarding vertical loops, Central Florida's subsurface geology is highly variable with surficial sands, silts, clays underlain by limestone. The main variable for loop design is how much overburden...
  6. You generally need significantly less loop per...

    You generally need significantly less loop per ton when the loops are installed below 15', as is common with horizontal directional drilling or vertical drilling.

    This is primarily due to the...
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    [QUOTE=GeoConsumer;4821082]- I have been looking...

    [QUOTE=GeoConsumer;4821082]- I have been looking into a geo for my house in SE PA. Well depth is something that is causing me some concerns. Are you doing four wells at 150-160' for a four ton? Do...
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    7,888

    GeoConsumer

    [QUOTE=GeoConsumer;4821082]- I have been looking into a geo for my house in SE PA. Well depth is something that is causing me some concerns. Are you doing four wells at 150-160' for a four ton? Do...
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    As suggested above, I would start with a manual J...

    As suggested above, I would start with a manual J heat loss/gain done by an independent energy auditor. This will be needed for a new PA tax incentive for geothermal that is in the works as well (in...
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