Material Chemistry:Geothermal Exchange
Geothermal exchange takes the advantage of geothermal energy stored close to the earth surface. Geothermal energy can heat and cool your house as well as provide hot water. Geothermal energy will be quite commom in the future， much cheaper and less pollutive than traditional heating and cooling.
- Added：2006
- Country：America
- Duration：30
- Time of update：2011/8/16 13:59:26