Tankless water heaters, also known as fast or faster or thermal water heater, that is, the basic characteristics of water heaters is: too hot out cold, as long as a faucet that can continuously supply a steady stream within a few seconds hot water, hot water when not in use, turn off the faucet can be.

Currently there is a lot of gas water heaters have reached means that the heat effect, it can be called Tankless gas water heaters, of course, there is an electric water heater style.