20 best instantaneous water heaters

The water heater in compact execution and universal design has excellent user characteristics. With a small size, 44 cm high, 24.5 cm wide and 12.6 cm deep, the flow boiler is capable of heating 4.3 liters per minute. This performance is provided by a powerful 9 kW heating element operating from a three-phase 380 V power supply. The heating power and speed are sufficient to use hot water at several collapsible points. To save electricity, heating is adjusted in two modes - you can reduce the power, taking into account the pressure and intensity of water intake.

Vertical installation, ergonomic body and bottom connection allow you to place the water heater in cabinets, niches, and in the open it will not be too noticeable. It is worth noting that the diameter of the connected pipes is ½. The boiler is suitable for a family of 3-4 people, for frequent use of hot water. The copper heating element provides immunity to air locks, is protected from pollution, a scum and corrosion. The outlet water temperature is monitored and maintained. The disadvantages of the model are mechanical control, lack of a display.

Stiebel Eltron DHC-E 12, although one of the most expensive instantaneous water heaters on the market, shows outstanding results in the reliability component. Made in Germany, it fully meets the expectations of consumers, which the latter are not averse to writing in numerous reviews. Buyers note the simple operation using the electronic panel located on the front panel. You can control the heating on the thermometer, display. The weight of the device is only 2.7 kg, and the small size of the case is conveniently placed above the sink or bathroom.

It is worth saying that the DHC-E 12 is not the most powerful and productive model in the series. 12 kW power of a copper heating element allows you to get up to 5 liters per minute of water with a temperature of at least 60 ° C. The water heater is connected to a three-phase electrical network of 380 V. It is also noteworthy that the pressure in the installation allows you to connect several points of water intake. The only truly significant drawback of the Stiebel Eltron DHC-E 12 is the level of cost. For the same money, consumers can buy a washing machine, a good refrigerator or a fully functional laptop.

The electric model for use in an apartment has good technical characteristics that provide increased productivity (7 l / min.). And the equipment with useful elements such as a display, a thermometer included in the water filter set creates the necessary comfort for monitoring the operation of the device. A three-phase device, which is designed simultaneously not for one, but for several points of water intake, supports heating up to 60 degrees.

Fast temperature reaching, which can be fixed at a certain value, is ensured by 4 stainless steel spiral heating elements at once. Such material is characterized by long trouble-free operation, safety. Thanks to the 5th degree of protection against water and the self-diagnosis function, the boiler is considered one of the most reliable among analogues. Of the pluses, users also highlight a convenient lower eyeliner and the possibility of remote control.

The flowing water heater Timberk WHEL-7 OC is characterized by relatively small dimensions and high performance, for which it was able to earn the trust of a large number of consumers. With a power of 6.5 kW, it is able to provide a flow rate of about 4.5 l / min, which is enough for comfortable use of hot water, even for taking a shower. The copper heat exchanger works as efficiently as possible and is able to last for a long time without needing to be replaced, and if you still need to repair any component, then finding it on sale will not be a problem.

In reviews of this heater, buyers most often talk about the best-in-class dimensions and low cost, as well as the presence of a water filter, which has a positive effect on the duration of the device. Among the shortcomings, one point of pressure is noted (connecting only one hose) and mechanical control, with which it is not always easy to set the desired temperature. In general, this model boasts a low price and good quality, and the electric power, combined with its small size, will allow it to be used almost anywhere.

One of the noteworthy models of instantaneous water heaters is the Electrolux NPX6 Aquatronic Digital. Despite the performance of 2.8 l/min., it consumes only 5.7 kW of electrical energy, which is one of the best indicators in the class. Electrolux has always been renowned for the quality of its materials, and this water heater is no exception.

From buyers about the model, you can hear mostly positive feedback. Among the advantages, the presence of several pressure points is noted, which allows you to connect more than one source of water, as well as simple electronic control with temperature setting modes. The water heater has an electronic display on which it is convenient to set parameters. The disadvantages include the upper water supply, which is inconvenient in those apartments where communications are located below. The electric heater works efficiently, and at any pressure, the water temperature will be kept at a given level. The advantages listed above, as well as small dimensions and weight, combined with a low price, make this model in demand among buyers.

Video - installation of an Electrolux NPX6 water heater

A gas water heater under the Superlux brand is produced by an Italian company, the owner of the Ariston household appliances trademark. Flow heating is provided by an open combustion chamber with a stainless steel burner with a thermoceramic diffuser. The device provides high performance, up to 10 liters of hot water per minute, which allows the device to be used to provide domestic hot water in several plumbing fixtures. To heat this amount of water, a gas water heater uses 2 cubic meters of natural main gas per hour.

The unit is distinguished by high-quality assembly and a high level of safety during operation. A gas control is provided, which turns off the supply of blue fuel in the event of a burner going out, control of draft and smoke removal. Safe ignition of the burner is ensured by electric ignition. Users note an easy installation. The disadvantages include the operation of the display and the electronic component on batteries - when the AA element starts to discharge, the heating off timer starts, the numbers on the display are hard to see.

Gas equipment has shown itself to be effective in long-term use. It has a universal design, a durable housing and a convenient system for controlling and monitoring the status of work. With a heat output of 20 kW, the output reaches 10 l/min. This is an excellent indicator among analog models. The presence of the display allows you to maintain the desired temperature at any pressure in the system. Copper heat exchanger is more durable, energy efficient.

Among the undoubted advantages, the owners of the equipment include electric ignition. This option not only increases comfort in the process of using the device, but also safety. You can be sure that the fire in the chamber will not go out unpredictably. The weight of 7.8 kg is quite optimal, although it cannot be called minimal. Thanks to the bottom eyeliner, the installation process is fast. Positive emotions are caused by the high-quality assembly of the device: all parts are carefully fitted to each other, there are no backlashes, switching on / off works almost instantly.

An interesting gas-type device for installation in an apartment or house attracts buyers with its technical characteristics. Its productivity is 14 l/min. when heated to 25 degrees. This is one of the most unpretentious models, which can work not only on centralized, but also on liquefied gas. The combustion chamber of the closed type provides less heat loss, which means that gas consumption is saved. For the same purpose, the model is equipped with a special fan. It should be taken into account when choosing that the diameter of the exhaust chimney is 75 mm.

The advantage of the household appliance was a wide range of water temperature adjustment - from 37 to 70 degrees with a different step mode after 48 degrees. The display and easy-to-use control panel allow you to control the operation of the water heater to the maximum. The disadvantage of the design is the weight of the flow device 16 kg.

The powerful gas instantaneous water heater Ariston Fast Evo 11B has gained popularity among many users of such equipment. The main advantage is the best in its class power, which is 19 kW. Thanks to this, the device is able to provide a high performance of 11 l / min. for a long time. For example, such a device can be used to supply hot water during a bath. The distinctive features include the possibility of ignition from batteries - this is a big plus, since no electrical communications are required. The power indicator will tell you when the device is working and when it is not.

Among customer reviews, positive feedback is more often heard. Among the advantages noted ease of installation, a variety of security systems, such as gas control and overheating protection. The disadvantage according to users is not a very high heating rate. In addition to the above qualities, the water heater has electric ignition, so there is no need to turn it on every time to start heating water.Low inlet pressure threshold - only 0.1 atm - allows you to install the device almost anywhere.

Video review

A fairly compact (70 x 40 x 21 cm) gas device is made with high quality on the principle of excellent performance, maximum protection against possible unforeseen situations with gas supply and ease of use. The flow model with a bottom connection received a special burner that eliminates flame separation. The front panel of the device has a full-size thermal reflector inside.

The water heats up quickly, the temperature is adjusted thanks to a special sensor. A design feature is its location outside the heat exchanger. This is one of the best devices in terms of performance - 16 l / min. The heat exchanger is not made from a conventional copper alloy, but from an oxygen-free metal. The water heater is equipped with flame and draft control sensors, overheating protection. The pluses in the reviews also include the presence of a blue backlit display, a strainer for cold water at the inlet, a valve system for frost protection, and electric ignition. Minus - does not work on liquefied gas.

The electric flow water heater faucet connects to a tap on a sink or bathtub using a universal connection diameter mount. The power of the tubular heating element of 3 kW ensures rapid heating of water up to 60°C. The performance of the device is 5 liters per minute, while the water heater can operate both at a low water pressure of 0.4 bar to a strong pressure of 6 bar. It is very convenient to control the heating - on the top panel there is an electronic display that shows the current water temperature. The faucet and heating elements are made of stainless steel and are reliably protected from corrosion. Included with the model is a mounting kit, an electric cord 1.1 m long.

According to user reviews, we can conclude that the water heater corresponds to the declared quality, the price of the device is not too high. The advantages of the design are easy installation, ease of use, fast heating of water. The disadvantages of the faucet, buyers include unstable heating temperature and a short power cord, forcing the use of an extension cord.

The original device will elegantly emphasize the kitchen interior, regardless of whether it is installed in an apartment, a private house or a country house. The body of the spout is characterized by a smooth bend, as a result of which the water does not experience additional pressure during movement. Outside, the working elements are covered with durable plastic, which is easily washed from drops, does not absorb or emit extraneous odors. The internal part of the device is made of durable metal, which withstands water pressure, pressure and temperature drops in repeated cyclic mode.

Heating at a maximum reaches 60 degrees, and hot water in the tap appears in just a few seconds, saturated with oxygen. The model is easily connected to standard hoses for faucets, the length of 1 meter of the electric cord is often included in the asset by users, as is the protection against switching on without water.

The model looks great in the interior of the bathroom in combination with a shower. She received a large LED display from the manufacturer, on which temperature indicators are clearly visible from any angle. Designed for installation in apartments with a 220 V electrical network, a 3 kW water heating tap is regulated electronically with high precision.

The elegant outwardly flowing device is quite productive - 120 l / h, so it is often installed both in apartments and in summer cottages, in private houses. The maximum mode of 60 degrees corresponds to the best performance in its price range. Water heats up instantly, and the temperature depends on the pressure. The mechanism is protected from overheating and automatically turns off in the event of a water supply failure. The pluses include the presence of a pressure relief valve, an inlet filter. Among the minuses, users call a large plug and possible connection difficulties.

The device is designed for long-term operation in the kitchen without breakdowns.This is facilitated by an impact-resistant case made of composite plastic, a 3 kW heating element capable of heating water up to 60 degrees, a thermal switch, and a branded cartridge with F30 ceramic plates. The single-lever device is equipped with a swivel spout. Thanks to its range of motion of 270 degrees, the water heater can be used for both single-compartment and double-compartment sinks.

To obtain high-quality water, the device additionally received a plastic aerator with the Anti-Calcium function and a coarse water filter. This allows you to economically, almost silently use a jet that does not splash, and at the same time protect the internal working elements of the structure from scale formation. Among the advantages of the model, users call the presence of a protective shutdown device and a water hammer mitigation system. Bottom connection and single-phase connection facilitate the installation process.

One of the most popular models among buyers in retail chains looks modern, stylish, concise design, suitable for any interior. The swivel spout has an average height of 23.5 cm and is made of durable, corrosion-resistant steel. The internal small tank is distinguished by a special design, due to which water does not completely fill it and evenly warms up to 60 degrees.

All structural elements are made of wear-resistant materials that can withstand operating pressure and temperature changes. This electric model is designed for a voltage of 220 V, plugs into a regular outlet. It is equipped with a display that shows the current temperature.In the reviews, among the advantages of the device, buyers indicate the possibility of adjusting the temperature, high-quality protection against turning on without water and overheating, the presence of an indication of turning on, heating.

The Hungarian water heater Hajdu ID 25A from Aquastic is a storage device. A tank with a capacity of 100 liters is able to provide hot water at several points of use. Despite such a significant volume, the boiler is mounted on the wall, water supply and coolant from below. A heat exchanger is installed inside the tank for accumulating heated water, the area of ​​which is 0.6 sq.m. The heat exchanger provides a water heating capacity of up to 450 liters per hour.The surface of the tank is treated with glass enamel for rust protection, the anti-corrosion effect is reinforced with a magnesium anode.

Buyers note that the water heater retains the temperature of the heated water well. This effect is provided by polyurethane thermal insulation. Provided that the heating of water in indirect heating boilers occurs only at the time of the functioning of the heating system, this property is distinguished as the main advantage. An electric heating element, a recirculation line can be connected to the water heater. There is protection against overheating, overpressure. The disadvantages include the high cost.

The model attracts the attention of buyers with its compact dimensions (volume 87 l), reliable spiral heat exchanger in operation. The inside of the round-shaped tank is covered with nickel-free enamel, which, together with the magnesium anode and thick walls, prolongs the life of the device. This unpretentious device received durable polyurethane thermal insulation, it can be connected to the heating circuit of a boiler of any type.

The design of the water heater provides a special steel hatch for service work inside the tank. In addition to a thermometer designed to heat water up to 80-90 degrees, the equipment includes a working and safety thermostat. Automation will protect against overheating, freezing, legionella. There is a simple light indication of heating. Design features - the presence of a recirculation pipe, a power supply of 230 V is required. The disadvantage is the operating pressure of the tank is 6 atmospheres, which may not be enough when using central heating.

Such a household appliance is most often chosen by owners of private houses and summer cottages for efficiency, ease of operation. But it is also an interesting option for apartments, since the volume of the enameled stainless steel tank is 100 liters. For an indirect indicator, this is a compact indicator. The classic form of the water heater is characterized by the presence of several points of water intake, lateral supply.

Its main advantage is the high temperature regime. At the maximum, the coolant is able to heat the water up to 95 degrees. And there is practically no heat loss. If necessary, you can limit the heating temperature. Of the positive features, users in the reviews call the slow appearance of scale, a built-in protective magnesium anode, a thermometer conveniently located for visual control, and the presence of a special removable safety cover. The disadvantage of the design is exclusively floor installation.

Baxi Premier Plus 150 is quite expensive, but at the same time a very productive indirect heating boiler. The advantage of the device is that it quickly heats the water due to the unique design of the coil-in-coil heat exchanger. If the heating rate seems low, it's not a problem: you can install an additional heating element (heater), which is immersed deep into the boiler.

Baxi Premier Plus 150 is compatible with absolutely all heating boilers, including condensing ones. The mounting method is universal, that is, the device can be placed both on the wall and on the floor.The tank capacity is more than sufficient - 150 liters. The weight of the device is only 30 kg, which will be appreciated by boiler installers. According to user reviews, the Baxi Premier Plus 150 is distinguished by its high-quality and reliable performance. Water shortage will not be felt even in families of 4-6 people. According to some calculations, thanks to saving electricity, buying a boiler will pay off in 4-5 years.

Gorenje GV 120 is one of the most affordable storage boilers for indirect heating. Despite the low cost, the device is equipped with all protection systems, including overheating, has a check and safety valves. There is a thermometer, indication of heating and inclusion. The boiler can serve several points of water intake, which is convenient for the home. Among the advantages is a good tank capacity (120 l) and a stainless steel heat exchanger, which is highly corrosion resistant.

According to numerous user reviews, the device quickly heats water (it takes no more than 20 minutes), attracts with the presence of a built-in magnetic anode. Also, many appreciate the five-year warranty on the tank and the overall very affordable price. Cons Gorenje GV 120 - heavy weight and unfinished instructions.