A geothermal system harnesses the Earth's heat and distributes heating and air conditioning throughout your home. Although these systems have their pros and cons, in the end it's one of the most ideal heating systems out there. Breakdown 1.The Sun heats the Earth 2.The heat is transferred to water-filled underground pipes 3.The water goes through the heat pump 4.The heat pump sends the heated air into the distribution system and into your home. Efficiency Geothermal systems are about 4 times as efficient as a traditional HVAC system. You may notice a big difference in your energy bill the first month of use depending on if your home is insulated or not. Non-Insulated Homes If your home is not insulated, your bill will not likely go down by much. Insulated Homes If your home is insulated, then you will see a significant savings on your energy bill. In fact, some homeowners take off on average $50/month within the first few months of using their new system. Therefore, a geothermal system will pay itself off in the course of 25-30 years. Keep your home at a comfortable temperature for less than your average fossil fuel HVAC system. Call 72 Degrees Comfort Company at 515-965-7272 or email us at email@example.com.