How to choose a water heater

Agree, the lack of hot water in the house is always trouble, regardless of where it happened in the village or in the city. Especially acute the problem hurts people who depend on centralized heating. In this case, the only one affordable for people is to warm the water in the pelvices, buckets and saucepans to wash it trite. And the most unpleasant thing in all this is what the lack of hot water can be like a day and a week, right up to several months.

What is the way out of this situation? In fact, everything is enough just to buy a boiler. Thus, you will stop depending on the centralized supply of hot water, which will significantly reduce the risk of staying without hot water in the most responsible moment. In addition, boilers are absolutely different - can provide a small one-room apartment, and can be used to heat water in a private house or apartment for 4 rooms, in which, for example, lives a whole family.

1
How to choose a water heater - types of boilers and their differences

The main thing when choosing a boiler is to calculate the volume of hot water you need. Deciding with this parameter, it will be much easier to choose the boiler of the required power and volume. Next - you need to decide on its future location in space: most often boilers are installed on the wall, over the sink or under it.

Electric water heaters are divided into two types of heating, which are radically different from each other. You need to choose in accordance with your needs.

Cumulative water heaters are distinctive in that they accumulate heated water in the tank until it needs to be used. Thanks to the special heating system, the water temperature is maintained on a given value.
The flowing water is warm instantly, as soon as the crane is open. Buying such a boiler, you get rid of the need to select the device of the required volume. For example, if you choose the accumulative incorrect - then you will overpay for electricity or suffer from lack of water. On the other hand, if you open a few cranes in the house with an installed flow boiler and turn on hot water, he will not have time to warm her everywhere. Flowing boilers are better suitable for a private house with high-quality wiring.

2
How to choose a water heater - Power

Obviously, the more powerful the water heater is, the more in large volumes it can work. So, by purchasing a capacity of 3.5-5 kW, you must count on the fact that it is enough for the kitchen. Such a boiler will heat the water for washing dishes or washings. For baths or soul, you should look after the device for more serious - approximately 6 kW or higher.

Calculate also the number of people in the family. One may be enough for a boiler, which heats about 30-50 liters of hot water, but a bigger family, for example, of 3 people, already need a device that can heat about 80-100 liters. You can read the approximate table below.

3
How to choose a water heater: flow or accumulative

The choice, of course, depends on you and your needs, but:

Coppering will consume electricity to support the water temperature in the tank constantly, while flowing consumes electricity only when it works. Those. When you opened a crane or went to the shower.
The flowing boiler will be released much cheaper. So, you do not have to pay extra for the volume of the tank. Especially, the more popular the boiler and tank brand is more expensive.
Flowing boilers are much smaller and fit anywhere.
As mentioned above, a flow boiler is only for a home with high-quality wiring, because their power can reach 27 kW.