November 30, 2008 8:29 AM

Geothermal systems are next big step in energy conservation

You may not know anyone with a geothermal heating and cooling system in the house, but you will soon. With tax credits and financial incentives plus lowered utility bills and increased energy efficiency, the numbers of geothermal homes are growing - and homeowners are singing the praises of “going underground.”

Related content

Suggested for you



Nation & World Videos