High-efficiency geothermal systems use the energy found beneath the earth’s surface. They combine this stored energy with safe electric power to deliver homeowner’s heating and cooling savings of up to 60 percent. Geothermal costs less to operate and lasts twice as long as a conventional unit. Geothermal uses the earth’s natural energy to heat and cool your home. By using the earth’s constant temperature the geothermal system does not have to strain to provide comfort for your home. The life expectancy of the geothermal unit is rated 23 years per the Department of Energy.