Hydronic Heating can use many heat sources to power your heating system. One such heating source uses Geothermal energy to create that heat. Geothermal takes the heat from the earth¬†(where the temperature is a constant 15 degrees) and uses that energy to heat (and cool) your home or business Australian Hydronic Supplies has teamed with AusGeothermal (the Geothermal experts) to provide you with a Hydronic Heating System solution powered by Geothermal energy Read more about how Geothermal heating works from the experts AusGeothermal -> Webpage link