What is Tankless Water Heater?

Well you have the right idea cheritto, but your not understanding the point of utilizing a tankless. Tankless water heaters are put in areas where the boiler/water heater take too long to get to, or are a hassle in connecting. Sometimes it is worth to connect a tankless water heater to a household appliance such as a shower or sink to continuously provide hot water on demand.It also saves energy for the home owner, along with saving time.

and simply put a tankless heats the water as it flows through it to your faucet. Therefore being more efficient in that it only heats the water when needed and not constantly heating a large tank of water 24/7.