"A lot of people today are upgrading to geothermal heating and cooling. However, there are a lot of benefits associated with this kind of heating. Primarily such a system is known for increased levels of comfort and low electricity bills. The other benefits associated with geothermal heating and cooling are the following:Geothermal units are considered environment friendly. This is because unlike a lot of other HVAC units which burns fossil fuels for operation, geothermal heat pumps use electricity for its operation. This form of energy is also a renewable form of energy.Geothermal heating and cooling is largely energy efficient because the amount of electricity that is used for operation is quite low. To put it in a better manner the amount of energy output is much higher than the amount of energy input when it comes to geothermal heating and cooling.Geothermal heating and cooling has a quiet operation because most of the unit stays buried inside and the remaining components of the unit are designed using modern technology.As far as the lifespan of geothermal units are considered they have more life than furnaces. They can run for as long as 15 years and the ground loop have a warranty of 50 years.Geothermal units are known to provide cash flow and along with heating and cooling they also supply homes with water heater."