15 best instantaneous water heaters

Instantaneous water heaters are compact and not limited in the amount of heated fluid. They cost less accumulative. This is a good option to have hot water all year round or to compensate for its absence during the maintenance period of the central water supply from the heating network. Our experts have compiled a rating of instantaneous water heaters of all kinds, dividing them into several categories, which will help to choose the best model that meets the needs of users and operating conditions.

Ranking of the best instantaneous water heaters

Nomination	a place	Name of product	price
Best running electric water heaters budget segment	1	Thermex Stream 500	2 829 ₽
	2	Timberk WHE 5.5 XTR H1	2 750 ₽
	3	Zanussi 3-logic 3,5 TS	2 240 ₽
	4	Electrolux Smartfix 2.0 3.5 TS	2 090 ₽
	5	Polaris Orion 5.5 ST	3 090 ₽
The best instantaneous electric water heaters in the middle price segment	1	Electrolux NPX 8 Flow Active	13 410 ₽
	2	Stiebel Eltron ddh 8	20 315 ₽
	3	Timberk WHE 6.5 XTN Z1	8 705 ₽
	4	AEG RMC 75	12 630 ₽
	5	CLAGE CEX 9	23 500 ₽
	6	Electrolux NPX4 Aquatronic Digital	5 690 ₽
	7	Thermex Topflow 6000	7 550 ₽
Best gas instantaneous water heaters	1	Mora vega 13	21 300 ₽
	2	Electrolux GWH 11 PRO Inverter	12 800 ₽
	3	Zanussi GWH 12 Fonte	9 490 ₽

The best instantaneous electric water heaters budget segment

Instantaneous electric water heaters in this category are notable for a simple complete set. They have few protective functions and often they are free-flow, i.e., they need to install another tap in front of them in order to shut off the water supply during equipment idle time. The internal parts of the apparatus are not designed to hold the pressure, but only to pass the stream.

In most cases, they can connect only one selection point in the kitchen or in the bathroom. But affordable price covers these nuances. Models from the rating in the category of budget instantaneous water heaters will be useful at the cottage or for temporary use in the apartment.

Thermex Stream 500

Rating: 4.8

Beautiful vertical flow type water heater with a total power of 5 kW and a three-stage adjustment by means of 2 toggle switches. The first starts the device at 30% of its capacity, the second at 60%, and both included - at 100%. Compact size 160x260x95 mm is easy to place over the sink in the kitchen or in the bathroom. Manufacturers produce its case in white or silver colors, which is convenient for combination with the interior. The set has everything you need to use: faucet, hose and shower head. A connection is provided at the bottom ½ inch. But before the equipment you will need to install a stopcock, because the model is free-flow.

We have added a water heater to the rating due to the numerous customer reviews reporting the reliability of the device. It works for most of them for 5 years and needs only periodic descaling with citric acid.

Timberk WHE 5.5 XTR H1

Rating: 4.7

Another flow model from a trusted manufacturer, but without step adjustment. The water heater works by consuming 5.5 kW, and the temperature can be changed by adding or decreasing the pressure. The case has a stretched hemispherical shape and looks original. Outside, the model is well protected from water (IP4), and does not suffer from direct splashes. A bright blue diode in the center indicates when it is on. Included is an inlet filter. The electrician is equipped with a relay that is triggered by overheating, therefore, with long active work, it will not burn.

According to reviews it is clear that the water heater quickly copes with its task. Our experts agree with this, since besides the consumption of 5500 W, the device is equipped with a spiral heater, and not a C-shaped one, which increases the heat transfer area. The performance of the equipment is 3.85 liters of hot water per minute, which led to a well-deserved place in the ranking.

Zanussi 3-logic 3,5 TS

Rating: 4.6

The flowing heating device with a horizontal arrangement of the case. It consumes 3.5 kW, with step-by-step power adjustment by means of three buttons on the front panel. Designed for one point selection. It is completed with all necessary for use: tap, hose, shower head, filter in front of the entrance for descaling. Manufacturers have equipped the water heater with copper heating elements, contributing to better heat recovery. Unlike previous budgetary goods, it has the function of protecting against working without water in the system - when the tap is opened, the electronics simply will not turn on.

From the dozens of reviews, you can see that the water heater is popular with users for its ease of connection. For installation, you do not have to lay a separate power cable - you can plug the plug into an ordinary grounding outlet. We placed the product in the rating due to the informativeness of the panel: the indicators on it show the switching on, heating and triggering of the temperature limiter, which will prompt the person in what condition the device is now.

Electrolux Smartfix 2.0 3.5 TS

Rating: 4.5

Horizontal flow model with a beautiful design and dimensions 270x135x100 mm. The front panel has four buttons forming a circle. Three of them give a step increase in power with a maximum of 3.5 kW, and the fourth turns off the power. Inside the circle there are drawings with the designation of the functionality of each key. The case is reliably protected from moisture. A copper tube is used as a heating element.

The water heater is included in the rating of low-end flow models due to ease of installation. Its connector is fully consistent with the thread from the shower channel of a conventional mixer. This will be an excellent alternative for temporary use when disconnecting the central hot water supply - just hang the device, plug it in and screw the shower hose from the stationary faucet in the bathroom to the entrance.

Polaris Orion 5.5 ST

Rating: 4.4

Simple instantaneous water heater with an intuitive interface.All control is carried out through a round switch, each step in a clockwise direction which adds power. At the exit there is a tap and a splitter to the shower. The copper heating element provides for heating the flow up to 60 degrees at the temperature of the incoming liquid + 11º. The electrical part is equipped with overheat protection and a water-free interlock. The user can set a temperature limit for heating. Judging by the reviews, many like it for its convenience and reliability.

The water heater was included in the rating due to its compactness. This is one of the smallest models with dimensions of 225x185x85 mm, with a power of 5.5 kW. It is worth paying attention to those who have very limited space near the shower or sink.

The best instantaneous electric water heaters in the middle price segment

Instantaneous water heaters in this category are equipped with a large number of functions that improve operation. This includes self-diagnostics, a digital display for displaying parameters and settings, electronic control and maintaining the set temperature regardless of the characteristics of the incoming stream.

The internal system of the equipment is more durable and is designed for constant pressure retention, so the device can be mounted at the cold water inlet and heated to several sampling points at once. Models from this rating are optimal for continuous use in homes and apartments where there is no gas or instead of a centralized hot water supply.

Electrolux NPX 8 Flow Active

Rating: 4.9

Flowing model with a nice design. The heating element consumes 8.8 kW, providing heating of the flow up to 60 degrees with a capacity of 4.2 liters per minute. It is completed with the plug in the socket. The bright display on a black background informs on the current temperature of a liquid. To adjust the values ​​there are touch buttons. If a breakdown occurs, the electronics itself diagnoses itself and issues an error code - using the instruction manual, you can decipher it and understand what is wrong.

In the reviews, he is praised for uniform heating, during which no drops are felt. Our experts explain this with highly sensitive electronics that monitor the temperature of the flow and changes in the water analysis (determined by the pressure in the system), and automatically correct the power level to maintain the set value. This is the best choice for a private house on two floors.

Stiebel Eltron ddh 8

Rating: 4.8

The vertical flowing heater with two diodes informing on inclusion and work of TENA. Internal channels withstand pressure up to 10 atm, which relates it to the pressure type. But mechanical power control, and without an external switch - to adjust, you will need to open the case and reset the jumpers. It is safe, but long in time. In addition, the device must be placed in an accessible place.

The water heater entered the rating due to the accelerated heating of the flow thanks to three heating elements.In combination with a power of 8000 watts, this ensures sufficient warming up even at several points of simultaneous selection. In the category this product has the most attractive price, which should pay attention to those who want to get a powerful device and save.

Timberk WHE 6.5 XTN Z1

Rating: 4.7

Instantaneous water heater, manufactured in white or gray case. It consumes 6.5 kW and is endowed with protection against overheating and blocking start when the system is empty. On the front panel there is only a light indicator on. The lining of the electronic unit prevents the penetration of water outside. The design withstands pressure up to 6 atm and works on several taps simultaneously.

According to our experts, this model should have been included in the rating due to its performance due to the spiral heating element and compactness. The dimensions of the water heater are 188x172x90 mm and it is easy to hide it, even in the cupboard under the sink or in the niche behind the toilet. This is the best option for organizing hand washing with warm water in a small office.

AEG RMC 75

Rating: 4.7

Goods from the American brand with a hermetic case. The mechanical regulator is securely hidden in the U-shaped recessed compartment. The protruding blade is convenient for switching even with wet hands. The water heater consumes 7.5 kW with a capacity of 4 l / min. The manufacturer has equipped it with overheat protection and a temperature limiter. The red diode on the panel will always tell if the flow meter is working or not. Judging by the feedback from customers, it can be adjusted to a real 55 degrees, but the jet will be very thin. With an average throughput of 35-38 º.

Our experts unanimously included the water heater in the rating of the best due to its protection from water with an IP5 indicator. To do this, the manufacturer tested the product, giving him a jet of liquid with a pressure of 12 l / min for 15 minutes. This design is suitable for installation in a bath or in a homemade shower.

CLAGE CEX 9

Rating: 4.6

Modern flow model with a power of 8000 W and electronic control type. The equipment is made in Germany and has a decent build quality. Users in reviews like touch-sensitive buttons for mode selection and heat adjustment. An informative display shows the current temperature, operation and the option for the intensity of the warm-up (“Normal” or “Eco”). The device is equipped with a self-diagnostic system and three heating elements. To facilitate installation on the casing, labels are provided.

According to our experts, the water heater has earned a place in the ranking of flow models due to its quality. Its heating elements are made of stainless steel, excellent heat transfer and resistant to corrosion. In order to adjust the temperature, the remote control is provided, therefore hidden installation in a niche is allowed, which fans of aesthetics and comfort in the bathroom will appreciate.

Electrolux NPX4 Aquatronic Digital

Rating: 4.5

Compact device 191x141x85 mm with display and electronic adjustment. In reviews, the flow type water heater is praised for convenient buttons with an original narrow shape. The middle one is for switching on and off and the side for raising and lowering the temperature. 4000 W power output of 2 l / min. Heating takes place in a spiral heating element, and the whole structure is protected from water.

We have added a model to the rating of flowing electrical devices because of the elegant design that combines modernity and minimalism. This contributes to the display, which merges with the color of the case, which shows only the numbers without edging the screen. The water heater is suitable for seasonal use in the apartment for several weeks.

Thermex Topflow 6000

Rating: 4.5

The product is equipped with a power of 6 kW and is triggered automatically when fluid flows in the channel, but it can be turned off or triggered, if necessary, by using the touch buttons. For operation, pressure from 1 atm is sufficient Maximum communications are designed for 10 atm. The display shows the current temperature and the heating level. In total, the device has 12 power modes. If necessary, you can install it in front of the splitter and power all the sampling points in the house from it.

Our experts recommend this water heater for those who appreciate quality things with a long service life. The stainless heat exchanger with a spiral configuration withstands long-term heating, less scaling than copper, and does not rust. Connection pipes are made of brass and are not subject to corrosion.

Best gas instantaneous water heaters

In buildings where there is gas, you can equip a hot water supply with the help of a flowing gas water heater, popularly called a gas column. Inside the case there is a coil with circulating water, which is heated by the burners. Now such equipment is equipped with automation and the flame is started when the valve is opened.

With this flow-through device, the liquid can even be heated to 80 degrees, but installation requires the introduction of a gas line and a chimney. Some models may also need an electrical network for ignition. Products from our rating in this category are optimal for apartments and houses in gasified settlements.

Mora vega 13

Rating: 4.9

This is one of the simplest gas flow type water heaters with a capacity of 13 l / min. For convenience, piezo ignition is provided (a sharp turn of the switch gives a spark). The device does not need electricity. Provides good temperature with a strong jet.

In the reviews, the owners confirm its simplicity and reliability, which led to the place of honor in the rating.If the connectors are hermetically connected, then maintenance in the form of membrane replacement will be required no earlier than in 5 years. The gas control works autonomously and turns off the flow when the flame is attenuated, and there is nothing more to break in it. It is suitable for several sampling points, but with alternate use.

Electrolux GWH 11 PRO Inverter

Rating: 4.8

Electronically controlled gas flow heater with display. Automatically maintains the desired temperature at the outlet and is equipped with electric ignition (you do not need to twist something, just press the start button). Productivity is 11 l / min. The device is equipped with a thermometer and gas control. Start and the screen work from the battery which charge is displayed on the display.

We put the product in the rating because of the "smart" features. Among other things, the electronic unit is equipped with flame modulation, automatically adapting to the parameters of the jet. This is useful in homes where water pressure often changes, especially in summer with seasonal watering of gardens. The gas water heater also received many positive reviews due to increased protection - it will not turn on not only in the absence of water, but also if the draft in the chimney disappears.

Zanussi GWH 12 Fonte

Rating: 4.7

Inexpensive flow model with a copper heat exchanger. Accompanied by an informative instruction with a detailed description of all security modes and functions. Heats a stream of 11 liters per minute. Thermal power is comparable to 23.6 kW, which is suitable for several taps, for example, in the kitchen and in the bathroom. Soldering happens automatically when you turn the handle, but periodically you have to change the batteries for this. The display reads the thermometer. The second knob adjusts the throughput.

We included a water heater in the rating due to the cheap goods with a good set of functions. The ideal price-performance ratio is complemented by a half-closed combustion chamber protected by a fine mesh, which increases safety especially in a house with small children (so that they don’t put anything there).

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Attention! This rating is subjective, is not advertising and does not serve as a guide to the purchase. Before buying, you should consult with a specialist.