For anyone who is wondering how geothermal works, I just published an article about it. Geothermal heating and cooling is the process of extracting heat energy from the ground and using it to control room temperatures and heat water. Once the heat has been generated, it needs to be distributed around the home; there are two options, forced air distribution or hydronic distribution. The hydronic heating system takes heated water from the heat pump and distributes it through a closed network of pipes. Common methods for heating a room are underfloor heating and radiators. Hydronic systems are more efficient and more comfortable than forced air systems but they are more expensive to install. Check out all the details by clicking the link below. http://bit.ly/2Pv5cvI