Geo Thermal Energy

April 3, 2008

Geo Thermal

Bernadette O’Neill

The use of the earth’s internal heart to heat and cool our living environments is

geothermal. It has been used through out the world for centuries. California has plants in

both northern and southern regions. It is now being used in homes and has become more

affordable to implement in new construction. It is more expensive to use in a retrofit. The

information is vas on the Internet, I found conflicting depths needed to be most effective,

some were three to five feet; others were up to seven feet. Some systems used a well with

a closed loop for the fluid to exchange the heat, this would be much more expensive.

For more detailed and extensive information please visit these websites:

Also Smart Homeowner Magazine is a great resource for many “green” endeavors. Their

website is


Find out more about our school: