The best instantaneous water heaters

Constant hot water supply is almost a luxury. For most residents who are unlucky with such communication, a flow-through water heater will become a faithful assistant. Unlike a boiler, cold water will pass through such a tank, turning into hot water. There are electric and gas models, each category should be discussed separately in order to get acquainted with the advantages and disadvantages. Experts compared the most popular products, their strengths and weaknesses, and then named the best instantaneous water heaters of 2024, the most reliable manufacturers, as well as the criteria for making the right choice.

Instantaneous water heater of which company is better to choose

Among the huge variety of household appliances, it is difficult to find a good instantaneous electric or gas water heater. Experts recommend that you first get acquainted with the leading manufacturers in order to find a reliable brand for yourself. And after that, consider the assortment.

In 2024, the leading manufacturers of flow-through water heaters were recognized:

• Atmor Is an Israeli company with a wide range of running water heating systems. Today it is the largest supplier of such devices to the Middle East market. A distinctive feature of the products is the largest number of quality certificates, which confirms their reliability.
• Timberk Is a mid-priced Swedish manufacturer with the majority of units built in China. The activity is completely connected with climatic and heating technology; there are many successful models in the assortment.
• Hyundai Is a Korean brand with a big name, known all over the world. A large proportion of the products are roomy household tanks with an optimal set of functions. Particular attention is paid to energy efficiency, that is, the creation of economical appliances.
• Stiebel Eltron Is a German company that demonstrates high quality technology. Each unit produced is safe, as easy to use as possible, and energy efficient. Premium models of instantaneous water heaters are presented on the domestic market.
• Electrolux Is a Swedish company headquartered in Stockholm. The manufacturer supplies household appliances to more than 100 countries around the world. The brand's catalog contains a series of instantaneous water heaters of the budget and medium price range.
• Thermex - an international corporation offering the best flowing water heaters in the budget segment. Devices differ in capacity, type, purpose, power. Manufacturing is constantly innovating thanks to its own scientific laboratory.
• Clage - a German company that represents instantaneous boilers for heating water of a premium class. The production has been operating for about 70 years, each unit of the product is distinguished by a well-thought-out design, focusing on different customer requests, ergonomics, and energy efficiency. High safety is due to the introduction of an electronic control system.
• Evan - a domestic company that produces indirect-type boilers and electric water heaters of the budget series. Most of the products today are industrial models, as well as household compact appliances.
• Neva Is a Russian company registered in St. Petersburg. In the domestic market, under this name, you can often find gas water heaters, distinguished by a simple control system, safety, and reliability. With good functionality, the products are inexpensive.
• Bosch Is a German home appliance giant that needs no introduction. The range includes multifunctional gas water heaters, electric tanks, boilers and much more. Deliveries are made to more than 150 countries around the world. There are several factories in Russia, most of the goods are sold on the domestic market at affordable prices.
• Roda Is a German manufacturer of electric and gas water heaters. Their main feature is maximum efficiency, comfortable management, and the introduction of the latest technologies into production.
• Rinnai Is the largest company in the production of gas equipment in the world, originating in Japan in 1920. The main feature of gas boilers is an advanced proportional regulation system, due to which fuel consumption is significantly reduced. In addition to being economical, the equipment is safe, easy to operate, and has a long service life. Only author's developments take part in the activity.

Rating of instantaneous water heaters

In order to understand which instantaneous water heater is better to choose from all units of the product, a rating was compiled, focused on individual needs, capabilities and consumer budget.

When creating a review of the best models, the experts relied on the following criteria:

• Heat source - water or gas;
• Dimensions;
• Work power;
• Gas or electricity consumption rate;
• Equipment;
• Protective technologies;
• Body material;
• Price and design.

There are also many additional characteristics that determine the value of the device: protection of the heating element, protection against power surges, control system, indication, valve for protection against pressure surges, outlet filter for water purification, protective deactivator. The more options a tank has, the higher its value and cost. Real user reviews played an important role in compiling the rating.

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The best electric instantaneous water heaters of the budget price segment

Electric types of instantaneous water heaters have become much more popular among domestic buyers due to their simple configuration, control system, and increased safety. Budget options are often targeted at just one location with a standard set of options. After studying the most popular models, clear leaders were identified.

Atmor New 5

This horizontal fixture provides continuous hot water in the kitchen or bathroom. Its productivity is 3 l / min, at exactly this rate the water will be heated up to 65 degrees. A special protection system will not allow the device to overheat for some reason. A copper tubular heating element is responsible for the power of 5000 W, it guarantees good energy efficiency. The set includes a shower head and a hose. The body inside is made of stainless steel, the maximum allowable water pressure is 6 atmospheres.

Advantages

• High performance, energy efficiency;
• Steel body;
• Protective system;
• Reliability, long service life;
• Accessories included.

disadvantages

• No valve to protect against high water pressure;
• Good warming up is carried out only under a slight pressure.

To maximize the service life, it is important to follow the operating rules, use filters for water purification, protect the tank from the ingress of foreign particles, and install a check valve.

The model is more suitable for use as a tap, although it does not contradict the direct connection to the water supply. Only one person can take a shower with a slight pressure of hot water.

Timberk WHEL-6 OSC

Another compact instantaneous electric water heater for an apartment where there is no constant hot water supply. With the manufacturer's declared power of 5500 W, its capacity is 4 l / min, which will ensure the fulfillment of hygienic and household purposes for a small family. Heating is performed up to a maximum of 85 degrees, the owner can adjust this mark independently. The device is intended for wall mounting so that the water supply is from the bottom. There is a safety valve here for timely shutdown. There is also an indication of inclusion, protection against overheating.

Advantages

• Accessories included - shower, hose, watering can;
• Protection against pressure, overheating;
• Easy installation;
• Compactness;
• Good pressure;
• Affordable price.

disadvantages

• There is no power outlet, electric cable included for installation;
• Plastic case.

If the house is experiencing interruptions in water pressure, a Timberk water heater is not the best option. For some users, the plastic case could not withstand the jumps and burst. It should not be used as a faucet, it comes with a watering can and a hose for hot water. For the device to work stably for a long time, you need to follow the manufacturer's instructions.

Hyundai H-IWR2-5P-UI073 / CS

A reliable and inexpensive instantaneous shower water heater. It can only be used for one water supply point, an open water supply system is also acceptable. Maximum power 5500 W (heating 85 degrees), there are 3 heating levels in total. At the same time, the productivity is somewhat more modest than that of the previous nominees - 3.6 l / min. A mechanical handle is installed on the body for control. For safe operation, an overheating and high pressure protection system is installed. Copper heating element is responsible for the efficiency of heat transfer. Wall mounting in a horizontal position and with a connection from the bottom of the case.

Advantages

• Reliable equipment;
• Mesh filter;
• Low price;
• Accessories in the set;
• Protective system;
• Compact size.

disadvantages

• Heats up to 55 degrees at low pressure;
• In high mode, the wiring heats up.

For many users, the operation of the device at 3 powers led to knocking out electricity plugs. Unlike the previously announced models, there is a pressure limiter with an indicator of 70-600 kPa. The power of 5500 W is too high, it is better to take this into account before the moment of purchase, otherwise you will have to abandon the maximum mode or change the wiring.

The best electric instantaneous water heaters in the middle price segment

If the declared performance, functions and built-in systems in budget options are not enough, it is worth moving on to considering devices of the middle price category. They have improved performance characteristics, extended service life, and improved control system. In addition, such powerful tanks can be connected to several points of water analysis at once. Experts have studied dozens of such devices, after which the leaders of this category were determined.

Stiebel Eltron HDB-E 12 Si

Powerful pressure head unit of rectangular shape and laconic design, intended for one or more points of water intake. The main merit is the almost instantaneous heating of water thanks to a power of up to 11,000 watts. Even with a low head, its performance will not decrease from 2-3 l / min. A spiral heating element is installed inside, the plastic case will withstand water pressure up to 10 atmospheres. An electronic control system is installed for comfortable operation. The maximum voltage of the mains is 380 V. The protective system involves temperature control.

Advantages

• Fast heating;
• High performance, power;
• Compliance with Russian and European standards;
• Accurate determination of temperature;
• 3-year warranty.

disadvantages

• The device requires a 3-phase power supply;
• There is no indication of inclusion.

The device is not for everyone, as its overpowering requires a voltage of 330 V.Then it will become an indispensable helper in the kitchen, in the bathroom, supplying uninterrupted hot water even with unstable pressure. If you follow the instructions for use, the tank will become a real replacement for hot water supply.

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Electrolux Taptronic S

Electric water heater of the middle price segment. It is characterized by fast operation due to the power of 3.3. kW. The effectiveness of the device is due to the use of silver and beryllium bronze in the manufacture of contact plates, as well as the increased distance between them. To control the process, there is a display showing the current water temperature.

The Electrolux Taptronic S model produces 1.48 liters per minute. You can regulate the water temperature in the range of 20-60 degrees, which allows you to choose the most optimal mode. The device does not overheat during operation, which prevents its failure. To increase the service life, the heating element is also protected against scale formation.

Advantages:

• Weight 1 kg;
• The power cable can be positioned both above and below the countertop;
• Automatic control of the water level in the chamber;
• Stainless steel body;
• Optimum heating temperature.

Disadvantages:

• After turning it back on, the water is very hot and care must be taken not to burn yourself.

Thermex Topflow 15000

Convenient, functional device for continuous continuous heating of water. The model is designed for vertical wall mounting. For comfortable control, a special electronic system is provided - a digital display, light indication of operation, warming up. A spiral heating element is responsible for heating, the maximum productivity is 8.5 l / min, provided a power of 15,000 watts. To connect, you need a 3-phase power grid, since the power requires a voltage of 400 V. The case is made of stainless steel, the protection system prevents overheating.

Advantages

• Good technical parameters;
• Robust body;
• High performance, power;
• Ease of installation;
• Display, indication;
• Profitability;
• Double protection against overtemperature.

disadvantages

• Requires 3-phase power grid;
• Price.

Double overheat protection extends uptime. Such a device allows you to take a shower or a bath without saving water consumption. At optimal temperature conditions, heating is turned off, which means that energy consumption is saved. It has an information display and indicator light for easy operation.

Clage CEX 11/13

The water heater has good functional characteristics and compact size. Its productivity is 7 l / min, thanks to this speed, you can not only wash dishes, but also take a shower for several family members. The maximum power is 13,500 W, due to such a high indicator, a three-phase voltage network (380 V) is required. Wall mounting is vertical, the connection to the device is carried out to the bottom of the case. The electronic control system provides a touchscreen display, a remote control panel for setting and switching on. The temperature regime can be selected independently.

Advantages

• High heating rate;
• Increased power;
• Modern control system;
• Water purification filter included;
• Self-diagnosis;
• Indication of switching on, heating, thermometer;
• Quiet work.

disadvantages

• Price;
• Voltage requirement 380 V.

A device of this format can be considered a new generation water heater, since the technical capabilities are increased here. If the wiring has not been updated in the apartment, it is better not to risk connecting it. Otherwise, with such a performance, the device allows you to take a shower without saving water consumption, to solve all household tasks without taking up much space.

Evan B1-7.5

A pressure head model from a Russian manufacturer, which can be connected to several water supply points. Its power is 7500 W, productivity is 3 l / min. A block heating element made of stainless steel is installed inside.The user can adjust the heating temperature within the range of 30-75 degrees. To protect against overheating, an emergency thermal switch is installed, and a check, safety valve is also installed. Adjustment is made using mechanical controls.

Advantages

• Reliable construction;
• Fast heating;
• The ability to choose a temperature regime;
• Good protection system;
• Simple control system;
• The price is lower than that of competitors.

disadvantages

• Noisy switching elements;
• Overall body.

Unlike many modern tanks of this type, this model is made of durable metal, which is why it differs in weight from competitors. This also leads to a long service life and reliability. The reviews say that the device is made in Russian traditions - roughly, for centuries.

The best gas instantaneous water heaters

If there is gas in the house, for constant access to hot water, it is better to choose a flowing gas water heater from a reliable manufacturer. A column of this type will be located inside the coils for constant circulation of water, as well as burners for heating it, respectively. Modern models are equipped with automatic systems that ignite the flame after opening the tap. Products from the expert rating demonstrate the best quality along with an adequate price, a wide range of functionalities, and performance.

Neva 4508

A gas water heater at the lowest price with this build quality and functionality. The maximum available heating power is 1540 W, while the heating rate is 8 l / min. The heat exchanger is a copper element with good heat transfer rates, which saves fuel costs. For comfortable control, a mechanical adjustment system is installed, there is an indication of switching on, a thermometer, and a display. Ignition comes from batteries; you need to install the column vertically on the wall with a lead to the bottom panel.

Advantages

• Informative display;
• Low price;
• 5-year warranty from the manufacturer;
• Fast heating;
• Copper heat exchanger.

disadvantages

• Suitable for one water distribution point;
• Mechanical control.

Constant heating of 8 liters of water per minute will allow you to perform all household tasks without saving consumption. The reputation of the domestic manufacturer is high, hence the demand for the model.

A robust housing, a high-quality heating element along with a low price make it a competitive product in the same lineup with European brands.

Bosch WR 10-2P23

Unlike many standard dispensers, the Bosch WR 10-2P23 gas instantaneous water heater is equipped with a piezo ignition, clear, simple controls. Its compact size allows you to easily install it in any suitable place, the kit includes the necessary fasteners. With the highest power ratings of 17400 W, the device gives off 10 liters of hot water per minute with a temperature of up to 60 degrees. The reliable steel body will withstand up to 10-12 atmospheres of pressure. A sophisticated security system will turn off the column in the event of an air supply failure.

Advantages

• Compact size;
• Piezo ignition;
• High performance;
• Reliable security system;
• Silent work;
• Good pressure.

disadvantages

• Inconsistency of some components with the column;
• Lack of indication.

For many buyers, the hose thread in the kit did not match the outlet from the column, so you have to buy new parts. Since the column gives out a good head, it is better to select hoses with a sufficient diameter. The piezo element ensures that the device turns on the first time. The performance will be enough for a small apartment.

Roda JSD20-A1

A reliable column from a German manufacturer with a declared power of 20,000 W and a hot water flow rate of 10 l / min. An automatic ignition element is installed inside, a mechanical control system with separate power and temperature controls outside. The heat exchanger is 100% made of copper, which contributes to the economy of consumption. The body has a high quality coating against corrosion, burnout.The ultra-thin steel makes the compact size and weight. The manufacturer has implemented an innovative protective system that controls smoke exhaust and emergency shutdown.

Advantages

• Compact size, light weight;
• Operation from two batteries, independence from electricity;
• Reliable protection;
• Adjustment of temperature, flame;
• High power;
• High quality heat exchanger.

disadvantages

• Thin steel;
• Ignition does not work immediately after switching off.

Such a column is good in that it does not depend on the power supply and outlets, it can be placed anywhere, since it operates on two autonomous batteries. With its small size and light weight, it demonstrates increased capabilities. The quality of the components may be slightly lower than the product itself, but they can be replaced in a timely manner.

Rinnai RW-14BF

The rating is completed by a flow-through gas water heater from the famous Japanese brand Rinnai. Each time you open the tap, the column will activate heating at a rate of 14 l / min at a maximum power of 7300 W and a temperature of 70 degrees. Unlike all nominees in this category, the RW-14BF provides a closed combustion chamber, the combustion products will go out through the chimney. Even with a change in pressure, the work will be stable. A fan built into the case will ensure complete combustion of the fuel, increasing the efficiency of the device.

Advantages

• Remote control;
• The fastest possible heating;
• Temperature regulation;
• Closed camera type;
• Sophisticated protection system.

disadvantages

• High price;
• Few reviews from real buyers.

The reputation of the brand contributes to the high demand for every running water heater, despite the high prices. In this case, the cost is fully justified by the high safety of the device, the highest possible efficiency and environmental friendliness.

Which instantaneous water heater is better to buy

By what criteria to select an instantaneous water heater has already been said earlier. Each choice is highly individual. Much depends on the suitable heat source, appropriate dimensions, installation method, speed requirements and functions. The presented TOP can be completed with the following results:

• The most powerful electric water heater with a long service life - Clage CEX 11/13;
• The fastest, most productive model of the premium segment - Rinnai RW-14BF;
• Among domestic manufacturers, it stands out for its build quality and productivity - EVAN V1-7.5;
• The Electrolux Taptronic S model has a wide range of water heating temperature adjustment.

From the presented rating, you yourself can decide what to buy for a constant supply of hot water, focusing on the characteristics, pros, cons of each model. It is also important to consider the capabilities of your electrical system before purchasing.