TOP 20 best instantaneous electric water heaters: rating 2024-2025 and which one is better to choose for an apartment
A water heater is one of the most useful household appliances for any city dweller, summer resident or rural dweller.
After all, it is the water heater that saves its owner from the pressure test schedule, seasonal hot water outages, accidents on water pipes and similar situations, providing households with hot and very clean water at any time.
And the instantaneous water heater also does not limit its quantity, because the principle of operation of such a device is to immediately heat the water passing through it.
Compiling the rating of instantaneous water heaters for 2024-2025, we studied the home appliance market, looked at many reviews and got acquainted with the reviews of the owners.
Therefore, our selection includes really the best devices that can deservedly be considered leaders in their class!
So, how to choose an instantaneous water heater, what to look for and which models in terms of price / quality ratio should be considered first of all - read our article!
Rating of the TOP-20 best instantaneous electric water heaters 2024-2025
Place | Name | Price |
---|---|---|
TOP 5 best instantaneous electric water heaters in price / quality ratio | ||
1 | Thermex Chief 7000 | |
2 | Electrolux NP6 Aquatronic 2.0 | |
3 | Electrolux NPX 8 Flow Active 2.0 | |
4 | Thermex Chief 8500 | |
5 | Electrolux NPX4 Aquatronic Digital | |
TOP 5 best instantaneous electric water heaters with a shower head | ||
1 | Zanussi 3-logic 5,5 TS (shower + faucet) | |
2 | Electrolux Smartfix 2.0 3.5TS | |
3 | Zanussi 3-logic 3,5 TS (shower + faucet) | |
4 | Thermex Surf 3500 | |
5 | Ariston Aures S 3.5 SH PL | |
TOP 5 best instantaneous electric water heaters with hydraulic control | ||
1 | Stiebel Eltron DDH6 | |
2 | Stiebel Eltron DHF 13C | |
3 | Stiebel Eltron DHC 6 | |
4 | Thermex Balance 4500 | |
5 | Electrolux Smartfix 2.0 5.5T | |
TOP 5 best flowing electric water heaters with high performance | ||
1 | CLAGE CEX 11/13 | |
2 | Electrolux NPX 18-24 Sensomatic Pro | |
3 | Thermex Topflow Pro 21000 | |
4 | Stiebel Eltron DHF 15C | |
5 | Stiebel Eltron HDB-E 18 Si |
Content
- Rating of the TOP-20 best instantaneous electric water heaters 2024-2025
- Which one to choose for a shower in an apartment according to a specialist?
- The best instantaneous electric water heaters in terms of price / quality ratio
- The best flowing electric water heaters with a shower head
- The best flowing electric water heaters with hydraulic control
- The best flowing electric water heaters with high performance
- Types of instantaneous water heaters
- Which firm to choose?
- Instantaneous water heater or storage (boiler) - which is better?
- Customer Reviews
- Useful video
Which one to choose for a shower in an apartment according to a specialist?
When choosing an instantaneous water heater, first of all, you should evaluate the planned scale of its use..
If the device is needed only for washing dishes in the kitchen or morning washing, then you should not overpay for high-power models that place high demands on electrical wiring.
But for the regular adoption of bath-water procedures, a very powerful device is required.
So, before you buy your favorite model, you should pay attention to performance indicators such as:
- device power - a run from low-power ones of 3-5 kW, supplying about 1.5-5 liters of hot water per minute, sufficient for a quick shower or washing food and dishes, to devices that consume about 30 kW and are able to provide hot water to all bathrooms, bathrooms and kitchen corners located in the apartment;
- performance - a parameter usually indicated in the passport, which is often calculated based on an initial water temperature of 20 ° C, which in Russia can only occur in hot summers or in the warmest southern regions (in most Russian cities, the incoming water temperature in winter and in the off-season is not higher than 10°C);
- expected load - a heater is required for only 1 tap or it is necessary to provide hot water at several points;
- filters - since the water in our pipes is far from ideal, a good filter system will seriously extend the life of the device;
- control type - mechanical, which works according to the principle: the greater the pressure of water, the colder it is, or electronic, which automatically adjusts the temperature of any water flow to the values \u200b\u200bselected by the user;
- electricity - for heaters of low power (up to 8 kW), an ordinary outlet will suffice, powerful models will most likely require a separate protected power line of 380 V (three-phase voltage) from the shield to the outlet in the apartment;
- design and dimensions - the device must fit well into the interior of the room or be successfully placed behind closed cabinet doors;
- warranty service - a long warranty period indicates the high quality of the device, and a service center located in your city will speed up the service and repair of the device.
The best instantaneous electric water heaters in terms of price / quality ratio
Like any complex device, an instantaneous water heater is available in various price categories: from budget to sky-high. This section presents five devices in which functionality and reliability are successfully combined with an affordable price.
Thermex Chief 7000
Instantaneous pressure type electric water heater from a well-known manufacturer, famous for its high build quality and reliability of manufactured devices.
It features a high level of power, stylish design, smart electronic control and a multi-stage security system.
It is built into the water supply system and is able to supply hot water simultaneously to several points of water intake and at the same time allows you to set the desired temperature with an accuracy of 1 ° C.
Connects directly to the electrical panel, bypassing sockets.
The control is electronic, there are 3 programmable operating modes and 1 Smart Heat mode, which takes into account the incoming water temperature and independently regulates the heating power to obtain comfortable performance and eliminate temperature fluctuations when the water flow changes.
Equipped with a large informative display, which displays information about the selected mode, power, water temperature and the safety of the device.
Characteristics:
- productivity, l / min - 4;
- dimensions, cm - 23.5 x 42 x 9;
- weight, kg - 2.7;
- power, kW - 7;
- heating temperature (max) — 48°C;
- protection - RCD, from dry switching, from overheating.
pros
- stylish design;
- qualitative.
Minuses
- There is no power cord included.
Electrolux NP6 Aquatronic 2.0
A flowing non-pressure water heater from a well-known European brand, made in a very minimalist design, it will be an ideal device for permanent use in the kitchen or in the washbasin.
It will also serve well during pressure tests or when hot water is turned off for a short time, but you should not buy it as a device for constant showering: a relatively small pressure allows you to wash food or dishes, and also rinse after a working day, but it may not be very convenient for carrying out regular and long water procedures.
The device is compact in size, light in weight and has simple installation requirements, making it easy to place the device in a drawer under the kitchen sink or washbasin cabinet..
At the same time, the device can be connected to two water points, receiving hot water, for example, alternately in the kitchen or in the bathroom.
Characteristics:
- productivity, l / min - 2.8;
- dimensions, cm - 19.1 x 14.1 x 8.5;
- weight, kg - 1.42;
- power, kW - 5.5;
- heating temperature (max) — 50°C;
- protection - from dry switching, from overheating.
pros
- compact size;
- good temperature.
Minuses
- pressure is weak.
Electrolux NPX 8 Flow Active 2.0
Stylish elegant device, made in a strict laconic design, will not leave indifferent neither the owners nor the guests of the house.
It looks so dignified that it can not even be hidden behind the walls of the cabinet. At the same time, it is simple and quick to connect, however, it requires separate electrical wiring and exclusively vertical placement.
Thanks to its high power and high heating temperature (up to +60°C), it allows you to take a full-fledged comfortable shower even when using hot water in the kitchen at the same time.
At the same time, the number of people taking such a shower in turn is not limited in any way.
Management is electronic. Allows you to select the required heating temperature, automatically adjusts the strength of the water flow, keeping the temperature at a given level when it changes.
Equipped with a beautiful informative touch LCD display and a convenient temperature control knob.
There is a self-diagnostic mode that can detect problems with the device. Can supply water to multiple taps.
Characteristics:
- productivity, l / min - 4.2;
- dimensions, cm - 22.6 x 37 x 8.8;
- weight, kg - 2.5;
- power, kW - 8.8;
- heating temperature (max) — 60°C;
- protection - from dry switching, from overheating.
pros
- stylish design;
- convenient settings.
Minuses
- electricity bill amount.
Thermex Chief 8500
And another highly functional assistant capable of providing hot water big enough family.
Compared to the previously noted Thermex Chief 7100 model, this instantaneous pressure water heater has higher power and performance values, allowing you to get water at the ideal temperature, which is maintained even when the water pressure changes, which makes using the water heater even more comfortable and convenient even for demanding users.
The remaining characteristics of both models are quite close - a stylish, thoughtful and beautiful design, an unusual shape and color of the body, smart electronic control, a bright informative display, a multi-stage security system and the ability to supply water to several points of water intake deservedly elevate water heaters from a well-known manufacturer to the rank of leaders among these devices.
The water heater is built into the water supply system, connected directly to the electrical panel. Differs in reliability and comfort of use.
Characteristics:
- productivity, l / min - 4.9;
- dimensions, cm - 23.5 x 42 x 9;
- weight, kg - 2.7;
- power, kW - 8.5;
- heating temperature (max) — 48°C;
- protection - RCD, from dry switching, from overheating.
pros
- large display;
- temperature settings.
Minuses
- rather fragile components.
Electrolux NPX4 Aquatronic Digital
Compact appliance from a well-known manufacturer, equipped with a spiral heating an element that provides faster heating compared to the usual heating element (tubular heating element) - an excellent solution for situations of sudden or planned water shutdown in any season for small families.
Made in an elegant design, modern and minimalist at the same time.A pleasant bonus is that the display screen does not stand out with a black spot, it merges with the body color, providing an unusual visual effect when the numbers and indicators on the device do not have a pronounced black border or dark background.
At the same time, the numbers are highlighted, which makes them visible and easy to read..
Also, a feature of this model can be considered convenient buttons for electronic control of the device, made in the original narrow shape, well felt by the fingertips.
There is enough power for a relatively comfortable shower at a not very high flow rate.
Characteristics:
- productivity, l / min - 2;
- dimensions, cm - 19.1 x 14.1 x 8.5;
- weight, kg - 1.69;
- power, kW - 4;
- heating temperature (max) — 50°C;
- overheat protection.
pros
- compact;
- electronic control.
Minuses
- weak thin jet of hot water.
The best flowing electric water heaters with a shower head
For more convenient use, some instantaneous water heaters are equipped with a shower head with a well-thought-out thickness and arrangement of holes that allow more economical use of water. Consider the top five heaters equipped with a shower head.
Zanussi 3-logic 5,5 TS (shower + faucet)
Budget, compact and lightweight instantaneous water heater will be the ideal solution for holiday homes and seasonal outings, as it is already equipped with a faucet and a shower head and only needs to be connected to water and electricity.
Easy to install, the device is quite capable of providing comfortable washing and even taking a warm shower in summer weather. At the same time, it features a stylish unique design and a multi-stage security system.
It has 3 heating modes that can be selected based on the need: for example, in order to wash fruits or rinse the paws of a pet, the weakest mode is enough, and for taking a shower, you need a stronger mode, although it should be borne in mind that the water pressure will not too high.
It is connected to only one point of water intake and has a hydraulic control system, that is, the heating power depends on the strength of the water flow: with a weak flow, the 1st power is turned on, with a strong flow, the subsequent ones.
In the absence of water, the device automatically turns off. Thus, the faucet lever acts as an on-off button for the device, which makes it convenient for small children and elderly family members.
Characteristics:
- productivity, l / min - 3.7;
- dimensions, cm - 27 x 13.5 x 10;
- weight, kg - 1.5;
- power, kW - 5.5;
- heating temperature (max) - 40°C;
- protection - from overheating, from dry switching.
pros
- small size;
- budget price.
Minuses
- no power cable.
Electrolux Smartfix 2.0 3.5TS
The horizontal model of a flowing non-pressure water heater is stylish, beautiful design with large clear control buttons, made in the form of a quarter of a circle (4 buttons form a circle), a complicated watering can, which has several modes to further limit the water pressure, and also not the highest power consumption.
There are 3 heating power control modes. The case is completely protected from moisture ingress.
Easily and simply mounted on the wall using the fasteners included in the package. It can also be attached to other surfaces, for example, to the battery of a heated towel rail using hooks that are suitable in size.
The connector of the device corresponds to the standard thread of the shower channel of a conventional faucet, which makes this model of the water heater an ideal device for use in cases of temporary shutdown of hot water supply - you just need to get it from the mezzanine, hang it on the wall, screw it to the shower hose for cold water and plug it into the outlet .
Characteristics:
- productivity, l / min - 2;
- dimensions, cm - 27 x 13.5 x 10;
- weight, kg - 1.5;
- power, kW - 3.5;
- heating temperature (max) - 40°C;
- protection - from overheating, from dry switching.
pros
- complete set: shower, faucet, holders;
- several rotary modes of the watering can.
Minuses
- insufficient water flow at 40°C.
Zanussi 3-logic 3,5 TS (shower + faucet)
This device is not as powerful as the above model Zanussi 3-logic 5.5 TS (shower + faucet), but nevertheless, this water heater deservedly entered our rating, thanks to its attractive appearance, horizontal position of the body, step-by-step power adjustment and low power consumption.
An interesting design with 3 large buttons on the main panel makes the device easy to use even for older family members and teenagers. At the same time, the panel in the form of indicators reflects all the necessary information about the operation of the device: about its inclusion, heating and reaching the set temperature limit.
Differs in a complete set: in addition to the device itself, a shower head and a faucet, the necessary fasteners and filters are attached to the device.
It is connected simply, does not require calling specialists, it works from a standard outlet, but it is still preferable to allocate a separate line for the device inside the apartment.
Characteristics:
- productivity, l / min - 3.7;
- dimensions, cm - 27 x 13.5 x 10;
- weight, kg - 1.5;
- power, kW - 3.5;
- heating temperature (max) - 40°C;
- protection - from overheating, from dry switching.
pros
- works from a regular outlet;
- ease of connection.
Minuses
- works only at one point of draw-off.
Thermex Surf 3500
Another reliable and high-quality water heater that can provide comfortable temperature for an outdoor shower or the ability to wash with warm water when the hot water supply is turned off in colder seasons.
Low power and medium water pressure will allow you not to consume electricity so much, but at the same time the temperature is quite enough for washing dishes, food, pets or taking a light shower.
The compact size allows you to place the device almost anywhere with the included fasteners, and the light weight of the device allows you not to be afraid of injury if it falls in case of unreliable fastening.
It is quite possible to use a standard shower hose as a water inlet by unscrewing the watering can from it.
That is, the device is ideal for use in force majeure situations, however, it is required to reliably protect the body of the device from splashing water.
Characteristics:
- productivity, l / min - 3;
- dimensions, cm - 13.5 x 20 x 6.8;
- weight, kg - 1.3;
- power, kW - 3.5;
- heating temperature (max) - 35°C;
- protection - from overheating, from dry switching.
pros
- light, compact;
- convenient to use.
Minuses
- flimsy body.
Ariston Aures S 3.5 SH PL
Stylish horizontal instantaneous water heater from one of the leaders among manufacturers of household appliances pleases the eye with an unusual beautiful design, and the body with comfortable warm water.
Can be connected to 2 taps, e.g. kitchen and bathroom.
It is characterized by a high temperature heating rate with a fairly reasonable power consumption - the device can be plugged into a regular outlet. It belongs to the high energy efficiency class - A.
Equipped with a special shower head with additional modes and a water supply tap, there are also fasteners.
Operational safety is ensured by multi-stage protection, including non-return valve, electrical safety control, control of power and temperature switches.
Maximum protection of the housing against moisture ingress allows you to place the water heater even inside a bath or shower.
Management - mechanical, there are indicators signaling the process of heating and operation.
Characteristics:
- productivity, l / min - 2;
- dimensions, cm - 30 x 26.5 x 11.5;
- weight, kg - 1.6;
- power, kW - 3.5;
- heating temperature (max) — 55°C;
- protection - from overheating, from dry switching.
pros
- build quality;
- equipment.
Minuses
- heats up badly.
The best flowing electric water heaters with hydraulic control
Hydraulic control assumes that the water heater starts working when the water tap itself is turned on, that is, a separate pressing of the on-off button of the device is not required to start its operation. This feature will certainly be appreciated by children and elderly households, because they can simply get hot water by opening the tap and without additional manipulations. Consider the best water heaters with hydraulic control.
Stiebel Eltron DDH6
Powerful and reliable device from the famous German manufacturer differs high quality, fairly budget price and excellent functionality.
Made in a laconic case design, eliminating unnecessary parts that require additional cleaning. Thanks to its compact size, the water heater can be installed even in small rooms or cabinets and does not take up much space there.
Possibility to connect to multiple taps.
Provides fast heating of water, automatically turns on when the user opens the tap. The heating mode can be adjusted by the regulator located on the front panel of the device.
There is a clear indication of the operation of the device, built-in protection against overheating, while the body of the device can withstand even a direct hit of water jets, that is, the device can be placed in showers and inside bathrooms.
It is recommended to place the device in close proximity to the water outlet point to minimize heat loss..
A nice bonus - the manufacturer provides a 3-year warranty for the heating element.
Characteristics:
- productivity, l / min - 3.5;
- dimensions, cm - 22 x 27.4 x 9.5;
- weight, kg - 1.9;
- power, kW - 6;
- protection from water.
pros
- stylish;
- small.
Minuses
- noisy.
Stiebel Eltron DHF 13C
This model of instantaneous pressure water heater is a three-phase an electrical appliance designed for use in houses and apartments, which can supply hot water to several taps at the same time.
It differs not in the most budgetary cost, which is fully justified by the fact that a reliable manufacturer guarantees the high quality and durability of its equipment, providing a 3-year warranty for heating elements.
It is able to regulate the outlet water temperature in the usual way for most people - by turning the knobs, that is, the user receives exactly the water temperature that he expects.
At the same time, it is possible to operate the equipment in systems with a reduced level of pressure.
Equipped with automatic temperature fuse. The special case allows you to install the water heater in close proximity to the place of its use.
Characteristics:
- productivity, l / min - 6.6;
- dimensions, cm - 22 x 37 x 13;
- weight, kg - 4.1;
- power, kW - 13 (380 V, three-phase);
- protection from water.
pros
- powerful;
- heats up quickly.
Minuses
- does not work with thermostatic mixers.
Stiebel Eltron DHC 6
Far from the most budgetary model of a flowing pressure water heater from the German a manufacturer specializing in premium goods and guaranteeing high quality materials and compliance with all necessary production standards.
It has a stylish and beautiful case with an original gray insert in the center, on which the device indication and device control keys are located. Connected permanently to the water supply network.
Powerful device, ideal for those who value quality, comfort and convenience.
The water heater is able to work with several points of water intake, for example, to provide hot water to the kitchen and bathroom.
Hydraulic control ensures the convenience of using the device - the heating level of the outgoing water is regulated by the handle of a conventional mixer, and 3 operating modes allow you to choose the most comfortable water temperature.
The device has a high level of electrical safety and can be located even in rooms with a high level of humidity and not be afraid of splashing water.
Characteristics:
- productivity, l / min - 3;
- dimensions, cm - 20 x 36 x 10.4;
- weight, kg - 2.5;
- power, kW - 6;
- protection - from water ingress, from overheating.
pros
- quality assembly;
- stylish.
Minuses
- heats up badly.
Thermex Balance 4500
A powerful pressure-type device from a well-known and reliable manufacturer - the best solution to the problem of temporary lack of hot water supply and an ideal replacement for heating water in saucepans.
Ideal for a city apartment, and for a country house, it can also be used in a small office or in the country. Made in a minimalist design without unnecessary details on the case.
Provides a uniform, even flow of hot water from the moment the tap is turned on until it is completely turned off.
Crashes into the main water supply and can be used to deliver water to several points of water intake.
Differs in low power consumption, despite a very powerful heating element, while the device works only at the moment when the tap is open.
High energy efficiency class A.
Characteristics:
- productivity, l / min - 2.6;
- dimensions, cm - 19 x 15.7 x 9;
- weight, kg - 1.4;
- power, kW - 4.5;
- protection - from water ingress, from overheating.
pros
- warms well;
- affordable price.
Minuses
- flow is not very strong.
Electrolux Smartfix 2.0 5.5T
In comparison with the Electrolux Smartfix 2.0 3.5 TS model previously reviewed in our rating, this device is distinguished by higher power and performance indicators, which allow heating water to an incredible 80 ° C for flow models.
It has a stylish and ergonomic design with a traditional circular arrangement of 4 control buttons for the device, which is placed exclusively in a horizontal position. Compact dimensions and low weight allow you to install the device in any place suitable for it closer to the draw-off point.
Installation is simple and clear, does not require the involvement of specialists, except for the need to allocate a separate power line.
Equipped with a hot water tap.
There are 3 modes of water heating power control. Equipped with a reliable spiral heating element.
Management - mechanical, there is protection against overheating. The case is completely protected from direct splashes and moisture.
Characteristics:
- productivity, l / min - 2;
- dimensions, cm - 27 x 13.5 x 10;
- weight, kg - 1.5;
- power, kW - 3.5;
- heating temperature (max) - 40°C;
- protection - from overheating, from dry switching.
pros
- good power;
- able to turn on and off by the pressure of the water.
Minuses
- the machine often works.
The best flowing electric water heaters with high performance
The main requirement for instantaneous water heaters is to provide a comfortable temperature for taking a bath. Devices with low power and performance indicators often cannot provide this. Therefore, we present to your attention devices with high performance.
CLAGE CEX 11/13
Modern powerful device with electronic type of control, produced in Germany and characterized by perfect build quality and the use of high-quality materials made of stainless steel, which retains heat well and is resistant to corrosion.
Owners will be especially pleased with the presentable and strict appearance of the device, the unusual design of the front panel and neat touch control buttons - setting modes, adjusting heating.
Provides a continuous flow of completely hot water.
The water heater is equipped with an informative bright display, which reflects the temperature, operation indicator, selected mode.
Installation is simple, hidden installation in a niche is possible, which allows you to hide the device behind panels or hinged doors, which will be especially appreciated by lovers of aesthetics and owners of small rooms, for whom every centimeter of area is fundamentally important.
Able to carry out self-diagnostics and display the error code detected.
Electronic control, control from the remote control is possible.
Characteristics:
- productivity, l / min - 7;
- dimensions, cm - 18 x 29.4 x 11;
- weight, kg - 2.7;
- power, kW - 13.5;
- heating temperature (max) — 60°C;
- protection - from overheating, from dry switching.
pros
- keeps the set temperature well;
- bright display.
Minuses
- you need a special socket.
Electrolux NPX 18-24 Sensomatic Pro
Modern, stylish and compact electric instantaneous water heater will please its owner with an elegant design, the highest level of performance, the ability to control using touch buttons.
There is a technology for remembering favorite modes and the presence of a lock to protect against accidental pressing.
Use on several points of a water intake is possible. The power of heating and flow will allow not only to rinse the dishes and wash, but also to take a shower or bath.
Turns on and off automatically when you open or close the water tap.
It is equipped with an intelligent control system that automatically adjusts the operating parameters of the device and maintains the set water heating temperature.
There is a multi-level protection system for the device, which is also equipped with a highly effective system that allows you to detect air pockets in a timely manner and prevent damage to the device.
Characteristics:
- productivity, l / min - 11.5;
- dimensions, cm - 22.6 x 47 x 95;
- weight, kg - 4.4;
- power, kW - 24;
- heating temperature (max) — 60°C;
- overheat protection.
pros
- easy installation;
- hot water.
Minuses
- expensive.
Thermex Topflow Pro 21000
Smart instantaneous 3-phase pressure type water heater with electronic control, released by the leader among manufacturers of such devices, will delight you with a stylish design, compact size and simple and intuitive controls, as well as high quality and reliability of a product manufactured by a reliable brand.
It is mounted directly into the water supply system, after which it turns into its own boiler room, which constantly provides an apartment or house with hot water.
Allows user-favorite settings to be stored in memory for quicker access when needed.
Features low power consumption. Can be used in small hairdressers, cookeries and offices.
Due to the high power, it requires an enhanced electrical connection (three-phase 380V).
It has enough power for quick heating, while the device provides a strong pressure and good water supply, allowing you to comfortably take a bath or a hot shower.
Characteristics:
- productivity, l / min - 11.8;
- dimensions, cm - 25.5 x 47.2 x 11.5;
- weight, kg - 4.5;
- power, kW - 21;
- heating temperature (max) — 60°C;
- protection - from overheating, from dry switching.
pros
- cute, compact;
- comfortable.
Minuses
- unreliable.
Stiebel Eltron DHF 15C
Stylish, beautiful and unusual model of a pressurized flowing water heater is also is a 3-phase electrical appliance that can supply hot water to several points of water intake.
Thanks to hydraulic control, water is heated instantly when passing through the appliance, immediately after turning the lever by the owner.
In the same way - by turning the handles of the tap - the water temperature is adjusted.
The automatic controller maintains a constant outlet water temperature to compensate for possible fluctuations in the inlet water temperature..
The control is mechanical, the power regulator in the form of a manual switch is located on the front panel of the device.
A beautiful design with a spectacular black insert will surely be appreciated by lovers of classic forms and modern interiors.
Has low energy efficiency - category A.
The manufacturer guarantees a high level of efficiency of the device, and also provides a 3-year warranty for heating elements.
Characteristics:
- productivity, l / min - 7.7;
- dimensions, cm - 22 x 37 x 13;
- weight, kg - 4.1;
- power, kW - 15 (three-phase, 380 V);
- heating temperature (max) — 60°C;
- overheat protection.
pros
- heats water well
- looks stylish.
Minuses
- high price.
Stiebel Eltron HDB-E 18 Si
And another stylish and spectacular model from a well-known European manufacturer, will please its owner with a modern design, a wonderful curved body and the highest performance.
Not too budget price is fully justified by the brand of the manufacturer and the reliability of the device.
The device is built into the water supply system and provides hot water to the entire apartment or house, as well as an office or a small own production.
Provides unlimited access to hot water immediately after the user opens the water faucet.
It is equipped with a spiral heating element, which guarantees a higher rate of water heating and the possibility of adjusting its temperature within 0.5°C.
There is a built-in overheating protection system to extend the life of the water heater.
Electronic control provides stable indicators of the flow force and water temperature, while the device provides economical energy consumption.
Characteristics:
- productivity, l / min - 9.2;
- dimensions, cm - 22.5 x 47 x 11.7;
- weight, kg - 3.6;
- power, kW - 18 (three-phase, 380 V);
- heating temperature (max) — 60°C;
- overheat protection.
pros
- powerful;
- use is very comfortable.
Minuses
- consumes a lot.
Types of instantaneous water heaters
Despite the fact that Russian household appliance stores in 2020 offer a wide variety of models of flow-type water heaters, in general, such devices can be divided into 2 large groups:
- non-pressure devices, providing heating of water only at one point of water intake (or at two, located in close proximity to each other);
- pressure, equipped with an inlet for cold water and an outlet for hot water, which, using internal piping, can be directed to all consumption points available in the apartment.
Which firm to choose?
When choosing an instantaneous water heater, you should give preference to reliable and trusted manufacturers, such as:
- Thermex — an international group of companies, the largest specialized manufacturer of water heating equipment;
- Bosch - a well-known German company, whose products are traditionally of high quality;
- Electrolux is a Swedish company, one of the world leaders in the production of household and professional appliances;
- Stiebel — a company associated with hot water and characterized by high manufacturability and cost-effectiveness of its products;
- Timberk - a Swedish brand owned by Arima Holding Corporation, which specializes in the production of climate technology;
- Zanussi - a trademark from Italy, owned by the Electrolux concern.
Instantaneous water heater or storage (boiler) - which is better?
When choosing between a flow and storage water heater, it should be borne in mind that such a decision should be made based on the purpose of using the device and the amount of hot water required: for example, for a summer cottage where 1-2 people live irregularly, a flow device is better, and for a city apartment with 5-7 households, it will be more economical to purchase a capacious boiler.
Also, the advantages of flow type heaters traditionally include:
- low cost;
- compact dimensions;
- instant heating of water;
- unlimited hot water;
- interval power consumption (only during operation).
And among the shortcomings of such a device, a rather large consumption of electricity is in the lead, which does not have the best effect on utility bills, increased requirements for the electrical network of the premises.
It should also be borne in mind that in winter the temperature of the incoming water will be somewhat lower than in summer, respectively, and the hot water leaving the device of low or medium power will have a lower temperature, not too comfortable for long water procedures.
Customer Reviews
Useful video
From the video you will learn how to choose a flowing electric water heater:
