A Tankless Water Heater is also referred to as an on-demand water heater. The heater is referred to a tankless because they do not have tanks to store hot water. They deliver hot water when it is demanded, and hence, they do not store any water in them.
The Tankless water heaters are different in this functioning to that of the Tank Water heater. When the water is heated, it goes immediately to the shower. There is no need of staring it to be used later. You hence will get a continuous water flow of water.
To get to understand these water heaters operate and their usage. We have this article to explain all that. We shall discuss how these heaters operate, circumstances when they are applicable, their pros and cons.
How Tankless Water Heaters work
Tankless water heaters or the on-demand water heater provides hot water only when needed. They hence are not associated with factors like heat loss but how do they work to achieve this;
These heaters heat water straight to the showers without the use of storage tanks.
When the tap for hot water is turned on. Cold water from the source travels through a pipe into the unit.
Either an electric heating element or a gas burner component is used to heat the water.
Thus, the on-demand hot water heater always supplies water in continuous form. This means that there is no point the hot water is stored or water waits.
You don’t need to wait for a tank to get full. The electric water heater has a higher hot water flow rate compared to the gas burner water heater.
The tankless water heater cannot supply water for more than three uses. In such cases, you will need to install more of them to meet the demand. Though they are generally effective than the heaters with storage tanks.
Circumstances when they are applicable
On-demand water heaters are used in the following circumstances;