The best instantaneous water heater for an apartment: reviews. How to choose the right instantaneous water heater for an apartment? Electric instantaneous water heaters: reviews, features and price. How to choose an electric instantaneous water heater
With absence and interruptions hot water, most city residents face preventive and repair work on heating systems. Do you want to forget about this problem forever? To do this, you need to buy a good instantaneous electric water heater. Water heaters are divided into instantaneous and storage. The former are compact in size and heat water instantly while it passes through the internal elements of the device. This heating method is more efficient, but more energy-intensive. As for storage water heaters, they have a large, capacious tank that contains water required temperature. Which water heater is better, instantaneous or storage, depends on the specific purpose of the household appliance.
To find out which instantaneous water heater It’s better to choose, we have compiled a review of the TOP 7 best electric instantaneous water heaters.
Water heater Zanussi 3-logic 3.5 S (shower)
Which instantaneous water heater is better to buy? We recommend that you pay attention to the Italian company producing household electrical appliances – Zanussi.
Instantaneous electric water heater with a capacity of 3.7 liters per minute. The maximum water heating temperature is +50 0 C. Consumers will also be pleased with the adequate cost of the unit - $30 .
Water supply is carried out in a non-pressure manner with one water collection point. Mechanical control all settings and functions. On the case there is a light indicator for turning on the device and heating the water. There is also a limitation on a certain heating temperature. The tubular electric heater (TEH) consists of copper and consumes a power of 3.5 kW.
The security system consists of 4 degrees of protection against the ingress of water and contaminants, automatic shutdown of the device without water, and protection against overheating. The kit includes a shower head, a durable shower hose, and a water filter.
The disadvantages include: high consumption of electrical energy, free-flow water supply, special fasteners required, insufficient reliable design.
Water heater Hyundai H-IWR1-3P-CS
You can buy a good instantaneous water heater from the concern Hyundai, which produces not only cars, but also climate control equipment, as well as a variety of household electrical appliances, including instantaneous electric water heaters.
A device with a maximum water heating temperature of +85 0 C and a heat exchanger power of 3.5 kW. The water unit is controlled mechanically. The built-in indication that the heater is turned on will prevent accidental starting of the device without water.
Long-term service of the device will be ensured by reliable and robust design. Safety: 4 degrees of moisture protection, overheating protection.
The package includes a filter for water purification, a shower tap and nozzle, and a shower hose. Low cost water heater ( $37 ) makes it accessible to almost every buyer.
The weak point of the model is its low power (3.5 kW), short network cable(1.5 m), there is no indicator for turning on the heating, a rather rigid hose for the shower head.
Water heater Timberk WHEL-3 OS
A company from Scandinavia producing the best instantaneous water heaters - Timberk known not only to a contingent of engineers and builders, but also to ordinary homeowners.
A model with a capacity of 1.9 liters of water per minute and a fairly high power of 3.5 kW. One water collection point (non-pressure). The electric flow unit is controlled mechanically.
This reliable design is ultra-sensitive to the temperature of the supplied water. The device requires water with an outlet temperature of 15-20 0 C. In view of this, Timberk WHEL-3 OS is designed for use in summer time of the year.
The protection system consists of the presence of a safety valve, limiting the heating temperature, protection against overheating of the copper heat exchanger, as well as 4 degrees of protection against moisture ingress.
The package includes a shower head, a shower hose for it, and a filter for water purification. The cost of this household appliance is minimal - only $43 .
Weaknesses include low productivity (1.9 liters of water per 1 minute), non-pressure water supply, cannot be used in winter time of the year.
Water heater Ariston Bravo E 7023 U-F 7
The main characteristics of household electrical appliances for the home from the popular Italian brand Ariston are stylish design, excellent basic set of functions and inexpensive price(this model costs $64
).
One of the best instantaneous electric water heaters has good performance - 4 liters of water per minute and high power - 7 kW. Pressure water supply (several water collection points). On the case there is an indicator for turning on the device. The spiral heating element provides accelerated heating of water.
The safety system is equipped with a protective automatic shutdown mechanism in the event of power failures, thereby preventing the risk of electric shock. Safety valve against excessive pressure, protective function against overheating.
The package includes a faucet, a shower head, and a filter for water purification.
This model is not without its disadvantages: poor thermal insulation, installation of special electrical wiring with grounding is required.
Water heater Electrolux NPX6 Aquatronic Digital
You can buy a good instantaneous water heater at a fairly affordable price - $157
. This instantaneous Swedish electric water heater has a capacity of 2.8 liters of water per minute and a power of up to 5.7 kW.
The digital display located on the body allows you to set the necessary settings. Built-in function for smooth limitation (control) of water heating temperature (especially important for families with small children).
The protection system includes protection against overheating and 4 degrees of protection of the spiral heating element from water ingress (anti-corrosion coating protects against oxidation, ingress of harmful substances and breakdowns).
The compact dimensions of the device allow it to be installed even in a small kitchen, small bathroom or used in the country.
The disadvantage of the model is low productivity (2.8 liters per minute).
Water heater Stiebel Eltron DHB-E 13 SLi
A three-phase instantaneous electric water heater from the German reputable manufacturer Stiebel Eltron is associated with reliability, high quality and corresponding cost $831
.
To the question “Which instantaneous water heater is better?” the answer is clear. The Stiebel Eltron DHB-E 13 SLi model has a spiral-shaped plastic heat exchanger and consumes power of 14 kW. Maximum water heating is up to +60 0 C.
Convenient and simple electronic control, built-in self-diagnosis of faults, indicator function for turning on the device and starting water heating. There is also a limitation on the water heating temperature.
The protection and safety system consists of 5 degrees of protection against water ingress and “airing”, automatic protection against overheating.
The disadvantages of a water heater are its high cost, high consumption electricity.
Water heater AEG DDLE 18/21/24 TrermoDrive
Famous German company AEG engaged in the production of household goods electrical appliances and power tools from 1887 to 1996. At this time, only the popular brand has survived.
Instantaneous electric water heater AEG DDLE 18/21/24 TrermoDrive with a capacity of 12.3 liters of water per minute and a maximum water heating temperature of +60 0 C. Very high power consumption - up to 24 kW. Several connected water points (pressure). The average cost of an electric water heater is about $1020 .
Convenient, electronic control is carried out using a remote control. The display will display all the necessary settings: temperature (built-in thermometer), time, self-diagnosis of problems. There is an indicator for turning on the device and its heating, as well as limiting a certain heating temperature. Spiral heating electric internal element 5 degrees protected from water.
Additional functions: there is an ECO mode button, automatic water consumption, built-in shower program. This best instantaneous electric water heater is also suitable for heating with solar panels (up to 60 0 C at the inlet).
The disadvantage is the fairly high cost of the advanced unit.
The presence of hot water supply is one of the main signs of a comfortable home. Instantaneous water heaters running on electricity make it possible to fully provide people living in a private house or apartment with water heated to a certain temperature. What water heaters of this type are, as well as which model to choose, will be discussed in detail in this article.
Electric instantaneous water heater: operating principle
Instantaneous electric water heater
A instantaneous water heater is a device in which the liquid is heated while it moves. The main advantage of such water heating installations is their compactness. Electric heaters also allow you to heat the liquid almost instantly, which is especially convenient when installed in a country house, when the housing is not used on a permanent basis.
An instantaneous water heater consists of a small volume flask in which a heating element is located. Water, passing through the flask, is heated to a certain temperature, after which it flows to the water dispensing points. To prevent water from boiling, as well as to turn on the device in a timely manner, the device uses various sensors and relays. To ensure electrical safety, the water heater body must be connected to the grounding contact of the wiring.
Depending on the power of the device, the water heater can be installed at one water point or have distribution to all consumers of hot liquid.
What types of flow heaters are there?
Flow-through electric heaters are divided into the following types:
- Pressure.
- Non-pressure.
Pressure devices are suitable for supplying a multi-storey building with a large number of water points, but this type of heater will only work if a fairly high pressure is created in the supply water supply.
Pressure electric water heater
Non-pressure devices operate in plumbing system without significant pressure, but it will not be possible to use this type of heaters for several consumers. Typically, non-pressure devices are installed directly next to the faucet or shower. Many models have a built-in tap at the bottom of the water heater.
The device must be installed correctly, because if a non-pressure water heater is installed in a system where there is increased fluid pressure, then during operation the device may be damaged as a result of a rupture of the working shell.
Pressure and non-pressure devices may also have different types of heating element. The device can be installed:
- Bare spiral
If the device uses a conventional high-power heating element, then scale formation when using hard water can be the main reason for the rapid breakdown of the device.
TEN instantaneous water heater
An uninsulated spiral does not have this drawback, but during operation it can easily be damaged if there are air pockets in the plumbing system.
All instantaneous electric water heaters can be divided by type of control. The principle of regulating the temperature of the heated liquid can be as follows:
- Hydraulic
- Electronic
Devices equipped with hydraulic control are very reliable, but, as a rule, in such devices, to switch operating modes of the water heater, the toggle switch located on the device body must be mechanically switched.
When using electronically controlled water heaters, you can quite accurately set the temperature on the display, which will be maintained automatically.
An important characteristic of flow-through heaters is performance. It is expressed in the volume of water heated to a certain temperature for 1 minute. How large quantity water points will operate simultaneously, the greater the productivity should be.
Instantaneous electric water heater: pros and cons
Flow-type water heating equipment has disadvantages and advantages compared to the installation of other hot water supply systems. To understand the main pros and cons of instantaneous water heaters, the positive and negative characteristics of such devices will be discussed below.
- Production of unlimited amount of hot water.
- High liquid heating rate.
- Suitable even for a small room, as it does not take up too much space.
Compact flow-type water heating device
- Water does not stagnate like in storage boilers.
- Relatively low cost.
There are not many negative characteristics of instantaneous water heaters, but on inexpensive models they can be observed serious problems With correct adjustment water temperature.
Adjusting the water temperature
As mentioned earlier, instantaneous water heaters can have mechanical or electronic control of liquid heating. Regardless of the type of device used, the device must be operated at the correct temperature conditions:
- For a shower - 40 degrees.
- For washing dishes – 45 degrees.
This value of hot water temperature allows you to achieve not only comfortable use of flow-through equipment, but also significantly save energy. Despite the increased power of this type of water heating devices, the cost of hot water supply is reduced due to the short operating time of the device.
How to choose an electric instantaneous water heater for an apartment or shower
Not only will the provision of hot water in the required volume, but also the duration of operation of the device. When choosing a flow device for installation in an apartment or private house, you must be guided by the following principles:
- Power device must not exceed the maximum permitted current value. If an overly powerful device is installed, then when the hot water tap is opened, an emergency shutdown of electricity is possible. If you need to provide hot water big house, then in this case it is recommended to choose a three-phase device. Before purchasing such a device, you should also make sure that it is possible to connect a three-phase electrical network.
- Control type The device also has a significant influence on the final decision in favor of purchasing a certain model of instantaneous water heater. The electronic version of water temperature control allows for more precise installation this parameter, as well as make heating changes using the remote control.
- Appearance devices, as well as quality paint coating is not the least important when choosing an instantaneous water heater. With equal technical indicators preference should be given to a model that fits perfectly into the design of the room.
Fits perfectly into any interior
If a water heater is purchased for installation only in the bathroom or kitchen, then it is enough to purchase a device with a power of about 5 kW. The cost of the flow device, in this case, will be only about 2,500 rubles.
In order for water heating equipment to serve for many years, without any deviations in operation, it is recommended to purchase devices from well-known manufacturers.
Top 5 models of instantaneous electric water heaters
You can simplify the process of choosing a high-quality instantaneous water heater if you follow the recommendations of real buyers of this type of electrical appliance. The following models are most popular among the population:
Electrolux Smartfix
Electrolux Smartfix
Powerful, compact and inexpensive water heating device. The water heater capacity is 3.7 liters per minute. Hydraulic system device control allows you to select 1 of 3 temperature conditions. Electricity consumption when switching modes also changes accordingly. The device has a built-in overheat protection system, as well as a set consisting of a water tap, shower hose and nozzle. The main disadvantage of this device is the only inability to connect more than 1 water point. You should also take into account the fact that a water heater of this model will only work if a minimum liquid pressure of 0.04 Bar is provided in the water supply.
Timberk WHEL
This model of instantaneous electric water heater from a famous Scandinavian brand has excellent performance characteristics. Despite the limitation in using the device at more than one water point, the device is very popular among buyers due to its low cost and high performance. At the same time, the compact dimensions of the device allow installation anywhere in the bathroom or kitchen. The weight of the device is also small and is only 1.19 kg. This device allows you to heat water from 16 to 60 degrees with an intensity of up to 4.5 l/min, but only if connected to a water supply with minimum pressure 0.03 Bar.
Hyundai H-IWR1
Instantaneous water heater designed for installation at only one point of consumption. The device is equipped with standard nozzles, so it can be used immediately after connecting to the water supply system and electrical network. The productivity of the water heating device is 3.6 l/min with a power of 5.5 kW. The flow device has built-in overheating protection, so the entire control process consists only of mechanically setting the maximum water heating temperature.
CLAGE CEX 9
The CLAGE CEX 9 water heater is designed to operate under high pressure, so it can be installed in such a way that all water points can be supplied with sufficient hot water. Of course, high productivity is reflected in the cost of water heating equipment. The price of a water heater of this model is approximately 10 times higher small models installed directly at the water point. The power of water heating equipment is set at the installation stage. The heater can operate in 6 or 8 kW mode, but even with increased power the device, for normal operation, a voltage of 220 V is sufficient.
STIEBEL ELTRON
A 24 kW instantaneous water heater allows you to provide one or more water points. The heating capacity is at least 12 l/min, with a difference of incoming and outgoing liquid of 28 degrees Celsius. Thanks to the installed heating element made of high-quality copper, it is possible to achieve trouble-free operation of the device for a long time. Also, the water heating system has built-in protection against overheating, which will also allow the device to remain operational in the event of a failure of the main heating-regulating elements. The presence of supplied three-phase current is prerequisite for connecting STIEBEL ELTRON , therefore, choose this type of instantaneous water heaters only for installation in a private home.
The difference between an instantaneous water heater and a storage water heater lies, first of all, in fast heating water, while the amount of hot liquid can be unlimited. These are the main advantages when choosing an autonomous hot water supply system of this type.
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Competent selection of instantaneous water heaters
For modern man, who highly values the comfort of life, the problem of providing hot water to their home (if there is no centralized hot water supply, annual preventive maintenance by utility services is practiced, or regular interruptions in the water supply occur) is very relevant. In many cases, it can be solved by purchasing and installing special equipment - a water heater. However, his right choice- one more problem.
Exist Various types heaters classified by the type of energy source they use (gas, electric), by the principle of water heating (storage, flow-through), by power, volume, etc. At the same time, instantaneous water heater (the so-called column), which does not limit the residents of the house in the amount of liquid used and thus provides more high level comfort.
Pros and cons of flow-through devices
The choice by many Russians of instantaneous water heating equipment, in which the liquid is heated as it passes through the water heater, is due to undoubted advantages devices of this type:
Unlike storage devices, when using heated water after a certain time (depending on the volume of the tank) inevitably runs out and cold water begins to flow, a instantaneous water heater provides an unlimited uninterrupted supply of hot water.
Scheme for using an instantaneous water heater: When operating the water heater, it is necessary to: close the tap - “2”, open the taps - “1”, “3”, “4”; when you are not using the water heater: close taps - “3”, “4”, open taps – “1”, “2”.
A domestic instantaneous water heater is much smaller in size compared to a storage water heater because it does not require a tank to store liquid.
Compared to these significant advantages, the disadvantages of flow-through heaters do not seem so significant:
- Quite a large one-time power consumption.
- If several water intake points are connected to a flow-through device (for example, taps in the bathroom and kitchen), then the water temperature will depend on the number of simultaneously operating points. Thus, if both taps are used at the same time, residents will either have to settle for less heated water or increase the power of the water heater.
In general, it should be noted that the choice of water heater should be based on an analysis of the following factors:
- to which communications there is a possibility of a more convenient and economical connection: to the electrical network or gas pipeline;
- what kind of space does the living space have for installing a water heater (if there is free space, it is possible to use a storage device big size, if they are in short supply, a compact one is needed flow heater);
- Is it possible to use more power indoors?
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Features of electric instantaneous water heaters
An electric flow heater heats water from constant use electricity. The principle of its operation is as follows: inside a small special chamber there is a thermal element - a tubular electric heater, or heating element, which is a metal (usually copper) tube filled with a special heat-conducting electrical insulator and equipped with a conductive thread in the center.
The latter is made of nichrome and has a certain resistance, which allows the required specific power to be transferred to the surface of the heater. When the device is connected to the network, the heating element heats up and transmits thermal energy liquid passing through the water heater.
As noted above, the main advantage of heaters of this type is their compact size. In addition, they are environmentally friendly. The main disadvantage is that they require high power (6-27 kW), and therefore, special electrical equipment in the room (manufacturers do not even include a cord and plug for devices more powerful than 5 kW, so that users do not plug such a water heater into a household electrical outlet).
The choice of heaters of this type mainly depends on their performance, which is determined by 2 factors:
- incoming water temperature;
- power of the device itself.
Most heaters of this type are equipped with an automatic switching system when water collection starts. The flow device is quite capricious: it requires strong and constant water pressure, which is due to the features of its design. If the pressure is insufficient, there is a high risk that the heating element will burn out, and the manufacturer has every right to refuse warranty repairs to the buyer.
Therefore, experts strongly do not recommend installing flow devices in country houses, not connected to the centralized water supply system, and on the upper floors of city buildings located in areas of long-standing development, where the water pressure is usually unstable. This problem can be solved by installing pressure-increasing pumps that are mounted in the supply line.
Optimal comfortable conditions are created when using a water heater whose power exceeds 5 kW. When choosing equipment, you need to remember that there are devices for both single-phase (no more than 12 kW) and 3-phase networks (from 12 to 36 kW). For correct comparison of columns various manufacturers It is advisable to pay attention to what power appears in the description of the device - consumed or useful. These 2 quantities are related to each other by the efficiency of the device (efficiency factor). It is recommended to compare equipment based on the useful power provided at the output of the column.
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What else should you consider when choosing an electric heater?
Flow-through electric heaters are divided into 2 large groups:
- System (pressure) with a power of 4.5 kW and above. Such models provide only an inlet and outlet for liquid. They crash into pipes that are hot and cold water for wiring to the entire living space. This is very convenient, because during periods when hot water is turned off, it becomes possible not only to take a shower, but also to use hot water from any tap in the apartment. Such a water heater turns on and off automatically when you turn on the water and turn off the tap, respectively.
- Non-pressure with a power of 3.5 to 8 kW, equipped with its own kitchen or shower head included in the device. Such water heaters operate exclusively at one water intake point and are most often used in the country. Devices of this type cannot be used with fittings other than those that were sold complete with the heater.
Experts recommend using small instantaneous heaters with a power of 3-6 kW, equipped with shower heads, only in summer period. In winter, consumers often receive complaints that a water heater that worked excellently in the summer now suddenly stops heating water normally. And the reason is that in summer the temperature of unheated water was about +18°C.
And a small water heater with a power of 3.5 kW with a delta of 25°C, giving 3 liters per minute, easily warmed the water to a comfortable 40°C for washing. And in winter, the incoming water is much colder (on average 5°C). And it turns out: 5°C+25°C=30°C. Under water at this temperature, a person naturally feels uncomfortable.
And the equipment itself has nothing to do with it, nothing is broken in it, it functions as usual. Just small flow heaters were developed for warm countries (mainly Africa, Asia, Latin America), where there are no large differences between winter and summer temperatures, and the incoming water all year round approximately +15°C.
Considering the low cost of such equipment, its compact size and configuration features, it is reasonable to buy a small flow-through heater for each water intake point separately. This ensures energy savings on heating water in the pipes supplying it to the water intake points, if the taps are significantly removed from the heater.
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Gas water heaters
All instantaneous gas water heaters have the same design, the main elements of which are the burner, which is used to heat the water, and the automation, which ensures safe operation. The main indicator characterizing geysers, is power (as for electrical appliances).
The higher the power of the unit, the greater productivity it has. For example, when heating cold water from 10°C to 35°C gas water heater with a power of 17.4 kW is capable of providing 10 liters of hot liquid per minute, and a column whose power is 27.8 kW, under similar conditions, allows you to obtain 16 liters of heated water per minute. The dependence of the heating rate and water volume on the power of the column is given in more detail in the following table:
In this regard, geysers are divided into 3 groups:
- low power (17-19 kW);
- medium power (22-24 kW);
- high power (28-30 kW).
Hot water is not a luxury for modern people. He feels an urgent need for it. In this regard, many apartment owners who centralized system water supply cannot ensure the supply of hot water around the clock and throughout the year, sooner or later they begin to think about purchasing a device such as a water heater.
Modern market household appliances offers many models. However, not everyone can answer the question of which water heater is best to buy for an apartment. Let's try to figure it out.
Electricity or gas?
Which water heater is better to buy for an apartment? Reviews from experts and consumers confirm that when choosing, it is necessary to determine which energy source will be used when operating this device. Depending on what will be supplied to heat the water, the units are divided into two types. They can be gas or electric.
Which water heater is better to buy for an apartment? Consumer reviews indicate that gas appliances are cheaper to operate. At first glance, it may seem that this option would be the most acceptable for apartment owners. However, this is not quite true. A cheaper gas-type water heater will bring the water to the set temperature very slowly. In addition, to install this device, you will need to attract the help of specialists from the gas service. They will charge a fee for laying additional pipes and ventilation ducts. The result will be quite a decent amount.
They are also quite expensive for heating an impressive volume of water. In addition, there is no point in placing such units in a small apartment.
As for electric water heaters, all models of this type of device operate from the network:
220 volts (single-phase);
- (three-phase).
Which water heater is better to buy for an apartment? User reviews indicate that the most powerful devices are connected to a 380 volt network. Such devices heat water very quickly, but their cost is quite high. In addition, such units will require powerful wiring, and three-phase networks are not available everywhere. In addition, for old city apartments it is not recommended to choose a water heater that consumes more than 5 kW. Otherwise, the network will simply be overloaded.
If the apartment is located in a new building, then the owner is given the opportunity to choose a more powerful device. How many kilowatts to count on can be determined according to the existing project.
Which water heater is better to buy for an apartment? Reviews from many people who have decided to purchase this useful device indicate that they are afraid of a sharp increase in electricity bills. But there is no need to worry about this. Electric water heaters, which have average volume and power indicators, cost their owners no more than a couple of hundred rubles per month if they are constantly running.
Installation location
Which water heater is best to buy for an apartment must be decided not only based on the type of energy it consumes. Users note that if the project does not initially provide for the place in which the device should be installed, it is quite difficult to find free space. In addition, the entire structure, together with water, has an impressive weight, which makes it difficult to attach it to non-permanent walls. All this is taken into account by modern manufacturers who produce wall- and floor-mounted devices.
If you decide to purchase a water heater for your apartment, which of these two types is better? Wall-mounted units save space. Floor-standing water heaters are securely installed on the floor and do not pose the risk of collapse even with large volumes of water in them.
When choosing a wall-mounted option, before purchasing, you will need to measure the width and height with a tape measure free space. This will allow you to find out the permissible dimensions of the water heater and how best to position it.
Wall-mounted units are mounted either horizontally or vertically. At the same time, the manufacturer produces universal devices that can be positioned depending on the available space, as well as special models with one or another configuration.
Today, the manufacturer also offers water heaters that can be installed directly under the sink. However, their main disadvantage is the limited amount of heated liquid.
Volume
This is one of the important parameters that should also be taken into account when choosing a water heater. In order to determine the required tank volume, you will need to take into account the required dimensions of the unit, the number of connection points, as well as the number of family members. For those owners who purchase a water heater only for washing dishes, a tank volume of 10-30 liters is sufficient. But to take a shower you will need more water (from 50 to 100 liters). If family members are used to taking a bath, then the maximum volume of the tank is required (up to 150 l).
Device type
Water heaters are of the following types:
Cumulative;
- flow-through;
- cumulative indirect heating.
Let's take a closer look at them.
Storage water heaters
Units of this type are the most popular. In such devices, the entire volume of water in the tank is heated. Storage water heaters bring the temperature of the liquid to a certain limit, and then maintain it at a given level. In this regard, such units are the most economical.
Which storage water heater Is it better to buy for an apartment? One that will allow you to use the required volume of water, because if it is completely consumed, you will have to wait again for the heating of a new portion of the liquid. In this regard, when choosing a model, it is necessary to calculate the size of the tank.
Instantaneous water heater
As for this type of heater, it is smaller in size. However, it is worth keeping in mind that this device does not allow the water to warm up enough and be very hot. Moreover, such units have more than storage units. However, if you consider that heating occurs only at those moments when the owners go to the shower or wash dishes, then the costs will not be very high.
But for apartments with old wiring, it is better not to buy instantaneous water heaters. After all, previously designed networks will not be able to withstand the installation of units whose average power exceeds 6 kW.
Which one is better to buy for an apartment? To select a device, you will need to evaluate the load that will be placed on the unit.
What power water heater is best to buy for an apartment? In the case where up to three people will use the water, it should be approximately 12 kW. This power will allow you to keep the performance parameter at a level of up to three liters of hot water for one minute. In this case, the maximum supply temperature will be at least fifty degrees.
How to determine which instantaneous water heaters are best for an apartment?
The choice of such a unit is also based on the available parameters of its power supply. As a rule, water heaters of this type have it at 220 V with a frequency of 20 to 30 Hz. However, in cases where homes have problems in the form of power surges, the 30 Hz model should be purchased.
Storage water heaters with indirect heating
According to user reviews, such units are the most economical. The fact is that their work is carried out while simultaneously turning on a single-circuit heating boiler. In winter, such water heaters use the same energy that is intended for heating.
The main disadvantage of such a device is its difficult installation, which involves inserting into heating system. But if we consider the advantages of using this unit, it is worth noting that there is no need to connect it to the electrical network.
Indirect heating devices are installed, as a rule, in urban private or country houses that have autonomous system heating.
Performance and Power
Which electric water heater is better to buy for an apartment? For selection optimal option The device must be looked at in the instructions for its performance, which directly depends on the power.
The strongest dependence of these indicators is observed in instantaneous water heaters, as mentioned above. In such units, for comfortable consumption of hot water, the power must be above 12 kW. IN storage devices A power of 2 kW is sufficient. The performance of this type of device will be at a sufficient level.
heating elements
When deciding on choosing a heater, you also need to pay attention to this parameter. Manufacturers offer models that have either one or two heating elements.
In the first case, water heaters use energy, which is controlled automatically. At the same time, to maintain the set temperature level, the device switches on the economy mode. After complete use of water in such units, further heating is carried out slowly.
Which water heater is better to buy for an apartment? For high hot water flows, models with two heating elements are the most preferable option.
Other selection criteria
Modern water heating devices are characterized by low heat loss. This indicator is only a few degrees during the day. This becomes possible thanks to the good thermal insulation of the tanks, for which polyurethane foam, fiberglass or polystyrene foam are used.
When choosing a water heater, you can compare heat loss rates for various models. To do this, you need to clarify this parameter in the instructions supplied with the device.
Equally important is the service life of the device. On average it is 5 years, but in best case scenario the manufacturer will indicate a period of up to 7 years. This parameter characterizes the reliability of the water heater. After all, the service life will directly depend on the material used for the tank, as well as on the quality of the anti-corrosion coating applied.
When buying a water heater, you need to focus on its price. It will be directly dependent on all the above parameters, as well as the mark of the device.
Manufacturers
Which brand of water heater is best to buy for an apartment? Inexpensive, but at the same time reliable devices are offered to consumers by Ariston. Units produced by the Swedish company Electrolux are affordable. This manufacturer is considered a leader in the gas water heating appliances segment. Electrolux electrical units are of high quality, and at the same time they are just as expensive as Bosh brand products.
Cheap, but at the same time quite high-quality heaters offered by Thermex are becoming increasingly popular on the market. Devices from manufacturers such as Drazice and Gorenje also receive good user reviews. What brand of water heater is better to buy for an apartment if you need to install a compact device? In this segment, the leader among manufacturers is AEG. Below are the most popular water heater models.
Ariston ABS BLU R 80V
This water heater stands out among other models due to its minimal heat loss. The device is very convenient to use everyday use thanks to the lower water supply provided in its design. The main material for the manufacture of the device tank is hardened steel. At the same time, the manufacturer reliably protected the device body from heat loss by covering it with an aluminum plate.
Users note that the water in such a unit reaches the maximum heating temperature in almost 3-4 hours. Consumers are also pleased with the spacious tank of 80 liters, which can be easily mounted on the wall. During operation, it is convenient for owners to monitor the temperature of the water in the tank, which is displayed on a special thermometer.
AEG RMC 75
According to user reviews, this instantaneous water heater is very easy to install. In addition, the device is characterized by productivity and practicality of use.
The instantaneous water heater of this model is capable of bringing to desired temperature 4-5 liters of water, consuming 7.5 kW. According to user reviews, the model is perfect for simultaneous connection to several water intake points.
The design of the device provides for the installation of a copper heating element. It has an operation indication and mechanics. Users note that the model has reliable protection from overheating, as well as from water getting into it
This high-quality device receives many positive reviews due to its compactness, as well as stability and durability.
Timberk SWH RS1 80 V
This model, according to consumer reviews, is quite productive, protected and stylish. The manufacturer offers users a device with excellent performance parameters and a pleasant design. The tank volume of this model is 80 liters. It heats up the water in just two hours. In this case, the device consumes 2 kW.
