This document introduces geothermal energy and provides some key facts about it. It notes that geothermal heat pumps are rated highly by homeowners compared to conventional systems. While the installation costs of a geothermal system are several times more than an air-source system, the additional costs can be returned in energy savings within 5-10 years. It also provides information about Sierra Pacific Home and Comfort Inc., an established company with experts in various energy and comfort services, including selecting high-quality, reliable products and ensuring professional installation.