Though extremely popular overseas, tankless water heaters haven't fully caught on in America yet; however, this is not from lack of functionality. Tankless water heaters provide on demand hot water and help to save electricity as the water heater is only heating the water when it is needed. These heaters are designed to increase functionality and energy savings while at the same time providing reliable hot water. Whether it is a whole house application or simply under a sink, there is a tankless water heater that will make your life easier, while saving you money. Invest in one today.