Home Heating 6 parameters that you should pay attention to when choosing a water heater

6 parameters that you should pay attention to when choosing a water heater

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6 parameters that you should pay attention to when choosing a water heater


boiler Ariston

The presence of hot water in an apartment is one of the vital conditions for a comfortable existence. There are cases when there is no possibility of connecting to a central hot water supply system, but a person is not ready to give it up.

In addition, we all know about high tariffs and low quality of hot water in centralized hot water supply systems. There are often interruptions in hot water supply, and in summer hot water can be turned off completely.

Therefore, household water heaters (boilers) are gaining popularity.

In this article we will look at what you need to pay attention to when making a purchase.

6 parameters that you should pay attention to when choosing a water heater

  1. Type of water heater
  2. Water heating method
  3. Storage tank volume
  4. Heating element type
  5. Boiler tank coating
  6. Control system

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Type of water heater

It should be noted that water heaters are quite demanding on the quality and reliability of electrical wiring and need to lay a separate power line with an RCD and a separate circuit breaker.

The main part of the device is a tank for heating water, so devices of this type are much larger than flow-through ones.

Another difference is that it takes time for the water to heat up.

The larger the tank, the longer it will take to heat up.

Some water heaters, such as Ariston VLS, Ariston Lydos Plus, have the function of quickly heating the water necessary for taking the first shower.

Among the advantages of storage water heaters, it is worth noting the provision of a large volume of hot water, affordability, ease of installation and connection to the network.

If you want to save money and are willing to wait for the water to heat up, you should choose a storage water heater.

Suitable for those who do not often experience hot water outages.

If interruptions in hot water are not uncommon, it will be more convenient to use an instantaneous water heater, but you also need to be prepared to pay 15% more for electricity.


Water heating method

We can note 4 ways to heat water

  1. Gas – there are instantaneous and storage gas water heaters.
  2. Electric – there are instantaneous and storage water heaters.
  3. Renewable energy sources – we offer heat pumps.
  4. Indirect water heaters are connected to electric, gas or solid fuel boilers, heat pumps, solar collectors, etc. and are used to heat water for domestic needs according to the indirect principle.

Tank volume in an apartment where 1 or more people live

Tank volume is an important characteristic that should be taken into account when selecting a storage device.

For a kitchen or bathroom, a 10, 15 or 30 liter model will be sufficient.

In an apartment where no more than two people live, for regular washing of dishes and daily showers, you need a boiler with a volume of 50 to 65 liters.

When the water is heated to maximum temperature, you can take a bath

IN apartment where three people live with the same needs, it is worth using models with a tank from 100 to 120 liters.

Models with a 150-liter tank are suitable for an apartment inhabited by 6 people.


Heating element type

A tubular electric heater (TEH) is the heart of every water heating device. Heating elements can be divided into two types: “wet” and “dry”.

“Wet” heating element used in almost all instantaneous and some storage water heaters.

As the name suggests, this electric heating element operates in water.

Its main advantage is its low cost.

But there are also disadvantages, such as the rapid formation of scale, which ultimately reduces the service life of the water heater.

If such a heating element operates in hard water, it must be cleaned once every three to four months.

“Dry” heating element It’s more expensive but worth the money.

It is in a protective tube and does not come into contact with water.

The absence of scale on the electric heater increases the efficiency of its operation and increases the service life of the entire device.

For reliability, some manufacturers equip the boiler with two “dry” heating elements: even if one fails, you will not be left without hot water.

Another important point that you need to remember, study and clarify with your sales consultant when choosing a water heater is the correct choice of the power of the flow-through heater (without a storage tank). An extremely important factor that should not be overlooked.


boiler ariston PRO1 ECO 80 V 1.8K electric

Boiler tank coating

Manufacturers of storage water heaters choose different coatings for the inner surface of the tanks.

The main task of the coating is to protect the tank from corrosion.

The more effective the protection, the longer the tank and the entire device will last.

Plastic coating is the most inexpensive, but also the most unreliable.

Titanium coating significantly increases the cost of the entire device, but due to the strength of the metal and high adhesion, a boiler with such a tank is not afraid of high temperatures. The risk of damage to the protective coating is minimal. Ariston tanks are covered by Titan Email.

Also, to protect against corrosion, it is recommended to change the magnesium anode at least once every two years.

The best ratio of durability and price for tanks coated with enamel or stainless steel.

If you want to save money, but not lose quality, you should consider purchasing a device with just such a coating.


boiler ariston acoperire hotel

Control system

Control systems are either mechanical or electronic.

Mechanical control is cheap, practical and reliable. Mechanical control is cheap, practical and reliable.

The system consists of a rotary lever and a window with an arrow – there is simply nothing to break in it.

But this same simplicity does not allow you to accurately adjust the water temperature and determine the degree of heating at the moment.

Using electronic control, the desired temperature is set as accurately as possible; heating modes can be memorized and diagnostics can be carried out.

The most innovative water heater on the market is the Ariston VLS Plus, which is equipped with the following features:

  • Equipped with a Blue Tech control panel, which shows how many times you can shower with the available amount of water in the tank, the remaining time to heat the water sufficient for the next shower and daily programming of the water heater.
  • ECO function. A smart self-learning system that learns the user’s habits and, based on preferences, adjusts the time the water heater turns on and off in order to save energy consumption and provide hot water at a certain time.
  • More precise regulation of water temperature.

boiler ariston functie eco

Which water heater is suitable for an apartment?

  1. Instantaneous water heater, if there is not much space for installation, and a separate reliable power line can be connected to the water heater. Also, an instantaneous water heater will be a good choice where you need to heat water quickly. However, it is worth paying attention to the relationship between the power of the water heater and the water flow; we recommend purchasing a device with a power of at least 8 kW if you plan to take a shower.
  2. A storage water heater if you need to save money and need a simple installation, but it is worth considering that you will have to wait for hot water.
  3. An electric water heater is suitable for the apartment. One person needs approximately 35 liters of hot water per day. Based on this, you need to select the optimal tank volume. For example, for a family of three people, models with a tank volume of 100 liters or more are needed.
  4. You can connect an indirect heating boiler to a gas boiler, but first we advise you to consult with our specialist or a trusted technician.
  5. It is better to choose a water heater with a “dry” heating element if you have a large budget for the purchase. A “dry” heating element is more reliable than a “wet” one, but more expensive.
  6. Choose a tank with an enamel or stainless steel coating. If your budget is larger, you can choose titanium coating.
  7. If you value practicality and efficiency, a mechanically controlled boiler is suitable for you. Choose a more expensive electronic one if you need precision settings and additional features.
  8. If you prefer innovative technologies, we advise you to consider the Ariston VLS PLUS water heater – the most high-tech boiler on the market, which can be compared with Apple technology in its segment.

The reason for purchasing a water heater may be the desire to save money. Heating one cubic meter of hot water using a water heater is cheaper than from a central water supply system.

In addition, the awareness of the fact that you are in control of the situation gives a feeling of psychological comfort and pleasure from the fact that the right choice has been made.

Our specialists in the store located at: Chisinau, st. Vadul lui Voda, 68, as well as online consultants on the website amber.md will help you choose the appropriate model.

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