Geothermal Heating and Cooling systems

Here is a great site that explains how geothermal heating and cooling systems work:

http://aztechgeo.com/residential-geothermal/how-it-works/

When listing a property with a Geothermal Heating and Cooling system, you would select not applicable for the Fuel Tank Location field.  Because the buried Geothermal system does not contain any fuel, it is not considered a fuel tank.