"Our conventional water heater was old enough that it may have soon needed to be replaced on an urgent or emergent basis.  For the good of humanity and of the earth, we prefer to use more sustainable energy sources whenever reasonably possible."  For this family, the best part of their new system is the reliability of the hot water.  They loved working with TFS because of the staff's attitude, enthusiasm and integrity.  "Just meeting some of the people who work for TFS gives me hope in the future of humanity."