Geothermal Energy

Geothermal technology, which takes advantage of the earth's constant temperature, has been in use for many years. In the Southeast, the temperature of the earth below the ground stays at fairly constant sixty-seven (67) degrees year round, with a change in temperature, or delta T, of only plus or minus five (5) degrees. Geothermal systems which use the stable temperature of the earth are much more efficient than conventional air-to-air systems that must interface with outside air temperatures which can range well above 100 degrees in the summer, or drop below 0 degrees in the winter.

The Advantages of Geothermal Energy

The advantage of a geothermal heating system is that it harnesses the constant earth temperature of 60 to 70 degrees to transfer heat from a closed-loop making heat exchange much more efficient than with a conventional air-to-air heat exchange coil. Consider the difference between taking outside air of 32 degrees and heating it to 72 degrees to make your house comfortable, and taking the water in a closed loop installation that is 65 degrees and heating it to 72 degrees. The heating system uses much less input energy to produce an output temperature of 72 degrees. In most residential applications, closed-loop systems can provide heating and cooling and produce as much as 75% off the hot water needed for the average home or business.

GEORGIA GEOTHERMAL ONLINE CONTROL

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