Electric water heaters are an excellent solution for those cases when for some reason there is no hot water in the room or its supply is limited.
There are different types of these devices: industrial and household, storage, flow and combined, heaters of different manufacturers and sizes. The electrical appliance is equipped with a heating element that heats up when the appliance is connected to the power supply network. Usually it is made in the form of a copper tube with a built-in nichrome spiral. Household electric water heaters are focused on use in the home, so they are economical, compact and stylish in design. Typically, this category of devices is designed for a small amount of water, so they can be used in a private house or apartment. Industrial devicesare able to provide boiling water in much larger volumes: for example, in an apartment building, in large-scale production, in buildings of different categories. Industrial electric water heaters are distinguished by the highest reliability, performance and considerable power.
You can consider other equally important categories of devices. Instantaneous electric water heaters are the simplest type, which produces heating directly at the moment of water supply, which allows it to reach the consumer already hot. Cold water enters such a device, passes through the heat exchanger, and then immediately goes outside. Because of this, such devices are very powerful, but they consume a significant amount of energy. Electric shower water heaters allow you to get the desired temperature. If they are equipped with electronic control, then you can independently set the desired outlet temperature, so there is no need to mix hot water with cold. It is advisable to install such devices in new homes, where there is a fairly reliable electrical wiring.
Unlike flowing, storage electric water heaters are much less dependent on the power supply, as the liquid in them accumulates in a special tank, heated as needed. For a household storage boiler, the volume of the tank can vary between 5-300 liters. The choice of a specific volume depends entirely onthe needs of a particular family. The principle of its operation is quite simple. A heater is located in the tank filled with water, which heats the water to a predetermined temperature, after which it turns off automatically. When the water cools down half a degree, it turns on again to heat it up. The time required for heating depends on the volume of the tank, as well as on the power of the heating element. Heat-insulating material is usually laid between the outer casing and the tank, which makes it possible to eliminate heat losses. Electric water heaters "Ariston" are an excellent example of quality and reasonable design, which allows to minimize heat loss.
