thermal conductivity testing

Very simply, thermal conductivity testing measures the ability of the ground, at a specific site, to transfer heat. This is especially important in commercial geothermal applications, where large amounts of heat must move in and out of the ground heat exchanger. The efficiency of the heat exchanger is important in determining its size.

Why should I have the test performed?

Most ground loop design software require the input of a value for thermal conductivity. The total ground loop calculated for a given system is heavily dependent on the chosen value for conductivity. If the thermal conductivity is "guessed" too low, many dollars may be spent on unnecessary ground loop, or the first cost may eliminate geo systems from consideration. If the thermal conductivity is "guessed" too high, the system will fail to handle the building loads, resulting in temperatures outside the design range.

Reference Accounts - Commercial - Thermal Conductivity Testing

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How many bores needed?
What is the depth of hole?
What is the diameter of hole required?
What is the distance between holes?
What is the size of loop to be inserted?
Please indicate the type of backfill if known.
How it the loop field headered? Please describe.
Who is responsible for building penetrations for return / supply header lines from loop field to geothermal heat pump equipment? Georgia Geothermal Another Contractor
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Why should I have the test performed?

Reference Accounts - Commercial - Thermal Conductivity Testing

Information Request Form