An excellent description of geothermal heating and cooling showing all of the benefits and detriments as well as the many different configurations of geothermal ground loop systems.
geothermal air conditioning

Geothermal Exchange: Ground Source Heating And Cooling
(via www.neutralexistence.com)
Submitted by neutralexistence on Sun, 2008-03-09 17:58. | Tags: architecture | geoexchange | geothermal | geothermal air conditioning | geothermal heating

Mother Earth… 24/7/365 Service Available
(via www.urbancoreintlblog.com)
Geothermal heating and cooling systems can be an efficient alternative to Central A/C. Many have heard the term geothermal before, which means heat from the ground. What exactly is geothermal and how does it work?...
Submitted by The Letter Green on Tue, 2007-09-11 16:27. | Tags: architecture | business | design | science | take action | technology | geothermal | geothermal air conditioning