The best electric boiler for heating | TOP 10 Rating + Reviews

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Published: 06/08/2019

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A growing number of social green movements around the world are demanding that governments pay due attention to environmental issues in their life support systems. In response to their demands, as an alternative to stove heating, models of economical electric boilers for heating a private home were released onto the market.

• 1 How relevant is the method of heating with an electric boiler?
• 2 Advantages of electric boilers
• 3 How to choose a good electric boiler 3.1 Power
• 3.2 Energy efficiency

Criterias of choice

Unlike a gas boiler, an electric one operates without fuel. It does not require a chimney or ventilation. Electrical units do not need to be installed in a separate boiler room. The device allows you to reduce heating costs and pay for heat at electricity rates.

When choosing a heating boiler, many parameters are taken into account. The main criterion is the thermal power of the unit. The power calculation depends on the area of ​​the building where the device can maintain the required temperature. For 10 square meters of area, 1 kW of thermal power is required.

In the TOP presented below, models are classified depending on the type of power supply:

1. Single-phase - connect to a 220 V power supply
2. Single-phase/three-phase – suitable for 220V and 380 Volt networks
3. Three-phase - connect to 380 V network

This parameter is important for owners of country houses due to frequent interruptions and power surges.

Based on the principle of operation, the following types are distinguished:

1. Induction. There are no heating elements in the design. The temperature of the coolant increases according to the principle of electromagnetic induction. This function is performed by a built-in induction transformer.
2. heating element. Boilers based on a tubular electric heater. It works due to direct contact of the coolant with the heater.
3. Electrode. Water is heated by the passage of electric current through it between the electrodes. The liquid ionizes, releasing thermal energy.

Most electric boilers have electronic controls and self-diagnosis functions

When choosing, also take into account:

1. Method of installation and strapping. There are suspended and floor-mounted ones. Wall-mounted units are compact and can be installed in living rooms. Floor-standing ones are used for heating large buildings and are installed in separate rooms.
2. Efficiency factor (efficiency). A parameter that reflects the operating efficiency of the device.
3. Number of circuits and presence of a water heater. Most electric boilers are designed only for heating, that is, single-circuit. It is rare to find dual-circuit models with a built-in boiler, which are connected to two circuits. They provide not only heating of steel radiators, but also supply of water supply pipes.

An important criterion is the manufacturer of the electric boiler. The market offers a wide selection of single-circuit and double-circuit boilers from domestic and foreign brands. Before purchasing, it is recommended to pay attention to the presence of an official guarantee and read consumer reviews about the product.

Boiler selection criteria

By analogy with the choice of other equipment, many pay attention to the efficiency characteristics. In a situation with an electric boiler of any configuration, they are impressive in any case, since all the electricity consumed by the device goes to heating the room. Minor losses are associated with the need to heat individual structural elements.

The mistake of many consumers is choosing under the influence of advertising about high efficiency. It is important to remember that this is an important, but not the main parameter.

The specifics of a boiler’s operation are indicated by many criteria. The price of equipment is influenced by power and functionality, safety and durability, efficiency and ease of use, cost. It is important to choose the right electric boiler for heating a private home, since its reliability and durability affect the payback period of the heating system.

Let's consider the main selection criteria.

Rated power

The main selection criterion is the area of ​​the heated room, which is indicated in the documents for the house. This criterion influences the choice of power. Experts recommend sticking to a ratio of 1 kW of power per 10 m2 of area. High-quality heating of a room of 30 m2 will be provided by a boiler unit with a power of 3 kW (minimum), for heating 60 sq. m you need to buy a 6 kW boiler and so on.

Required power of an electric boiler per 1 sq. m. depending on the type of room

This power calculation is approximate and gives a general estimate of the heating needs of the house. An accurate calculation involves the use of a larger number of parameters, including external ones. This service is provided by qualified specialists and in this case the choice of power of the electric boiler will be as correct as possible.

Number of circuits

When choosing an electric boiler, each consumer chooses between single- and double-circuit models

:

• Single-circuit electric boilers are devices with a primitive design that performs only two functions: heating the coolant; its uniform distribution along the contour. The main advantages of this modification are its compactness, affordable price and ease of use.
• Double-circuit models are more functional. They are capable of not only heating the house, but also providing domestic water supply. In this regard, the cost of heating equipment is higher, but its purchase allows you to abandon the boiler that heats water for domestic needs. The reliability and durability of double-circuit boilers also contributes to the choice in their favor.

Double-circuit electric boiler

Features of work

The main advantage of electrical appliances is the low noise level, which is heard only when the relay is switched or the circulation pump is started. Most modern models of electric boilers operate so silently that you can forget about their presence.

If you also want to ensure maximum comfort from operating an electric boiler, pay attention to the noise level, which is indicated in the accompanying documents.

Manufacturer's choice

The good quality of heating boilers is also due to those who manufactured them. You can find out about the reliability of a particular manufacturer by asking this question to a consultant in a store or on a specialized forum.

It is important that foreign-made boiler units (Italian, German, Slovak and others) are resistant to power surges and adapted to Russian operating conditions and heavy loads. As a rule, foreign-made electric boilers of well-known brands are characterized by good performance, reliability and safety. Therefore, they are in demand among Russian consumers.

Electric boiler WATTEK

But it is worth noting that Russian-made electric boilers provide “foreigners” with worthy competition. They are practically not inferior in functionality, performance and other characteristics. At the same time, their significant advantage is their affordable price.

Availability of additional options

Additional devices built into the electric boiler may include

:

• Circulation pump.
• Emergency protection system.
• Expansion membrane, sensors and other devices that provide comfortable operation and save electricity.

This increases the functionality of the boiler and, accordingly, its cost. But if you give up additional features, you should think about the fact that you will have to purchase the necessary elements of the system. Therefore, experts recommend choosing a heating device in the most affordable configuration.

Electric heating boiler wiring

Rating table

The best boilers with single-phase/three-phase power supply

Heating equipment that can operate from both single-phase and three-phase networks is considered universal. It is more expensive, but resistant to voltage surges, characterized by durability and high power. To buy an electric boiler with single- or three-phase power, we recommend that you familiarize yourself with the best models of 2021.

1

Evan EXPERT 9

Single-circuit heating element boiler from a domestic manufacturer.

Characteristics:

• Price – from 45,237 rubles.
• Customer rating – 4.9
• Efficiency – 99.5
• Max. thermal power – 9 kW
• Heated area – 90 sq.m. m

It has good power and efficiency indicators. Suitable for heating buildings with an area of ​​less than 100 square meters. m.

The device is wall-mounted, with electronic control. The circulation pump and expansion tank are built into the design. Among the additional functions, it is worth noting the outdoor temperature sensor, with which the boiler regulates the heating inside the room. The nominal coolant pressure in the circuit reaches 2.9 bar, which allows uniform heating of rooms remote from the installation.

Volume of expansion tank Evan EXPERT 9 – 12 l

Advantages:

• good power and efficiency indicators;
• volumetric expansion tank;
• economical energy consumption;
• outdoor temperature sensor;
• automatic diagnostics and built-in programmer.

Flaws:

• installation weight – 41 kg;
• price.

2

Protherm Scat RAY 9 KE

Economical and productive wall-mounted boiler for a country house.

Characteristics:

• Price – from 38,431 rubles.
• Customer rating – 4.7
• Efficiency – 99.5%
• Max. thermal power – 9 kW
• Heated area – 90 sq.m. m

Powered by a tubular electric heater. The model connects to one office, but this disadvantage is compensated by the ability to connect to a heated floor.

A device from Proterm with an 8-liter expansion tank and a circulation pump. The coolant temperature is from 25 to 85 degrees. In addition to self-diagnosis, the manufacturer has provided protection against overheating. To protect the installation from interruptions, a safety valve and an air vent are built in.

Protherm RAY 9 KE slope is equipped with antifreeze for frost protection

Advantages:

• performance;
• many additional functions;
• environmental friendliness;
• protection from interruptions and unfavorable factors;
• electronic control.

Flaws:

• high price;
• high energy consumption;
• small capacity of the expansion tank compared to other models.

3

Reco 6P

Single-circuit heating element boiler for insulating small country houses.

Characteristics:

• Price – from 16,950 rubles.
• Customer rating – 4.2
• Efficiency – 99%
• Max. thermal power – 6 kW
• Heated area – 60 sq.m. m

Equipped with three-stage power adjustment to set the optimal operating mode of the heating installation. The minimum coolant temperature is 10 degrees. The maximum pressure is 3 bar, due to which the coolant is evenly distributed throughout the circuit and maintains the temperature in all heated rooms.

Additional functions include frost protection, power-on indication, and overheating protection. Connection of external control is provided. The only drawback of the device is power, but this shortcoming is compensated by its affordable price, compared to other models.

Reko 6P does not have a built-in expansion tank and circulation pump

Advantages:

• price;
• relatively small size;
• energy saving;
• liquid crystal display;
• comfortable control;
• possibility of automatic configuration;
• a large number of auxiliary functions and settings.

Flaws:

• The power is only enough for buildings up to 60 sq. m;
• complex repairs in case of malfunctions;
• There is no expansion tank or pump.

TOP 5 best electric boilers

Vaillant eloBLOCK VE 12 12 kW

Electric boiler, made in white . Including three-phase mains voltage, additional functions such as protection against overheating and freezing.

It is possible to connect external control. Wall mounted.

Characteristics:

• boiler type - heating element;
• contours - single-circuit;
• power - 6-12 kW;
• Efficiency - 99%;
• control - electronic;
• installation - wall;
• number of power stages - two;
• mains voltage - three-phase;
• circulation pump - yes;
• expansion tank - yes, 10 liters;
• coolant temperature - 25-85 degrees;
• overheating protection - yes;
• autodiagnostics - yes;
• frost protection - yes;
• power indicator - yes;
• White color;
• weight - 33.1 kg;
• dimensions - 410*740*310 mm;
• price - 40,300 rubles.

Advantages:

• simple controls;
• built-in expansion tank and pump;
• many additional functions;
• uniform heating of the room;

Flaws:

• high price;

EVAN Next 12 12 kW

Single-circuit electric boiler with heating elements with wall installation. Built-in mechanical control . It evenly heats a room of 120 m2.

Due to its low cost, it is an affordable device. Has a three-phase network voltage type.

Characteristics:

• type of device - electric, heating element;
• number of circuits - single-circuit;
• thermal power - 6-12 kW;
• heated area - 120 m2;
• Efficiency - 99%;
• control - mechanical;
• installation - wall;
• mains voltage - three-phase;
• power levels - 2;
• coolant temperature - 30-85 degrees;
• additional functions - protection against overheating;
• dimensions - 205*600*105 mm;
• weight - 8 kg;
• White color;
• price - 10020 rubles.

Advantages:

• high-quality assembly;
• reasonable cost;
• reliable design;
• simple controls;
• warms up well even in severe frosts;
• does not make noise;
• compact.

Flaws:

• small functionality.

EVAN Next 7 7 kW

Wall-mounted heating boiler with heating elements . Single-circuit type with mechanical control. Heats a small area of ​​70 sq.m. Small dimensions allow installation in a small apartment.

Characteristics:

• unit format - electricity, heating element;
• number of circuits - single-circuit;
• power - 7 kW;
• heated area - 70 sq.m;
• Efficiency - 99%;
• control - mechanical;
• installation - wall;
• power levels - three;
• mains voltage - single-phase/three-phase;
• functions - protection against overheating;
• dimensions - 205*600*105;
• weight - 8 kg;
• White color;
• price - 8560 rubles.

Advantages:

• reliable design;
• good quality;
• durable materials;
• pleasant appearance;
• compactness;
• affordable price;
• stainless steel heating element;
• easy operation.

Flaws:

• low functionality;
• sometimes it makes noise.

EVAN Warmos-IV-9.45 9.45 kW

Single-circuit heating boiler with electric heating type . Wall installation with electronic display for control. Heats a fairly large area of ​​94.5 kW.

Options:

• type of device - electric, heating element;
• number of circuits - single-circuit;
• thermal power - 9.45 kW;
• heated area - 94.5 kW;
• placement - wall;
• mains voltage - three-phase;
• control - electronic;
• Efficiency - 99%;
• equipment - display;
• frost protection - yes;
• heating floor connection - yes;
• thermometer - yes;
• overheating protection - yes;
• autodiagnostics - yes;
• White color;
• dimensions - 380*640*245 mm;
• weight - 27 kg;
• price - 18,500 rubles.

Advantages:

• nice design;
• enough to heat a private home;
• many additional functions;
• quality materials;
• affordable price;
• allows use as a coolant for heating water;
• stable work;
• doesn't make noise.

Flaws:

• It takes a lot of electricity and water for heating.

Slope RAY 12 KE /14 12 kW

Electric heating boiler with three-phase mains voltage. equipped with electronic control, good power for heating a private home .

Installed on the wall of the required room or in a closet at home. Includes many features such as external control.

Characteristics:

• unit type - heating element;
• number of circuits - single-circuit;
• thermal power - 6-12 kW;
• Efficiency - 99.5%;
• control - electronic;
• placement - wall;
• power levels - two;
• mains voltage - three-phase;
• circulation pump - yes;
• expansion tank - available for 8 liters;
• temperature - 25-85 degrees;
• external level connection - yes;
• frost protection - yes;
• thermometer - yes;
• weight - 24 kg;
• White color;
• price - 36551 rubles.

Advantages:

• ease of use;
• compact dimensions;
• quickly heats batteries;
• holds temperature for a long time;
• high-quality assembly;
• almost no noise;
• copes with an area of ​​100 sq.m.

Flaws:

• high energy consumption;
• high price.

Rating of three-phase boilers for a country house

The main advantage of three-phase boilers is productivity. Devices operating from a 220 V network are not capable of providing high thermal power, which is reflected in the maximum heated area. Three-phase boilers require more energy, but are suitable for heating large buildings.

1

Evan EPO 18

Single-circuit flow-through heating element boiler of floor type.

Characteristics:

• Price – from 14,659 rubles.
• Customer rating – 5.0
• Efficiency – 99%
• Max. thermal power – 18 kW
• Heated area – 180 sq. m

It is characterized by high thermal power and provides heating of the coolant up to 85 degrees. The heat exchanger is made of stainless steel, resistant to high temperatures, scale and corrosion.

The model does not have a built-in circulation pump and expansion tank. Despite this, the device is suitable for heating large private houses. An additional advantage will be the power-on indication and protection of the installation from overheating.

Evan EPO 18 is controlled remotely using a remote control

Advantages:

• performance;
• high-quality assembly;
• low electricity consumption;
• remote control;
• 3 power levels;
• long guaranteed service life.

Flaws:

• no expansion tank;
• does not connect to underfloor heating.

2

ZOTA 12 Lux

Reliable single-circuit boiler with average performance.

Characteristics:

• Price – from 18,200 rubles.
• Customer rating – 4.8
• Efficiency – 99%
• Max. thermal power – 12 kW
• Heated area – 120 sq.m. m

Wall-mounted installation with electronic control. The device operates from a three-phase network, thanks to which it provides full heating of buildings with an area of ​​more than 100 square meters. m. The maximum coolant temperature is 90 degrees, which is a record figure in the presented rating.

The manufacturer equipped the ZOTA 12 Lux boiler with an outdoor temperature sensor. There is no remote control as on the previous model, but the kit includes a room thermostat to regulate the set temperature.

The maximum water pressure level in the installation reaches 6 bar

Advantages:

• electronic control;
• silent operation;
• built-in pressure gauge;
• connection to a warm home;
• high pressure in the circuit.

Flaws:

• no expansion tank;
• rapid wear of the coolant during intensive work;
• no remote control.

3

Galan Geyser 15

Inexpensive but productive boiler made in Russia.

Characteristics:

• Price – from 8100 rub.
• Customer rating – 3.8
• Efficiency – 99%
• Max. thermal power – 15 kW
• Heated area – 150 sq.m. m

Electrode type device. Heating of the coolant occurs due to direct contact with electric current and ion heating. The model is compact, floor-standing.

Despite its modest dimensions, a heating element electrode boiler is capable of providing heat to buildings up to 150 sq. m. It is possible to connect external control. As a rule, a circulation pump is not built into electrode models.

Ion boiler Galan Geyser 15 weighs only 5.3 kg

Advantages:

• compactness;
• durability of electrodes;
• ease of maintenance;
• convenient fastening;
• power;
• price.

Flaws:

• poor equipment;
• no emergency switch;
• minimal functionality.

Types of electric boilers

Heating the dacha with an electric boiler is the best solution. They do not require a separate room; the units can be mounted on the wall. The boiler must be purchased based on the cost of one kilowatt for every ten meters of space with a small margin. For 500 m2 you need approximately 60 kW.

Electric boilers can be of three types. If a heating element is chosen, then you need to take into account that it is more suitable for a small family, otherwise you will need to install an additional broiler. In a small house, the efficiency of such heating is greatly reduced.

Boilers with heating elements

Heating elements are manufactured in wall-mounted versions. But such boilers require more space than other units. Inside the body there is a closed flask with a valve that releases air and the presence of heating elements. The coolant pipes (return and supply) are connected to the tank, which go outside and are connected to the heating system.

The heating element electric boiler has a control unit, a circulation pump and automatic safety equipment. Some models are made with a flow-through heat exchanger and a two-code valve so that hot water can be supplied for domestic needs.

Electric boiler with heating elements

A heating element electric boiler is multifunctional, but has a low heating rate. A dual-circuit generator has one more drawback - antifreeze cannot be poured into the system, otherwise it may get into the water, which is intended for the household. Heating elements accumulate scale, so the efficiency of the unit is somewhat reduced, as is the service life.

But if the water heater breaks down, you don’t need to replace it with a new one, you just need to replace the burnt element in it. Among the advantages are the low cost of the generator and a large range of models.

Electrode boilers

Electrode boilers are cheap and differ from other heaters in their compactness. They consist of two steel electrodes, between which water is poured. When the generator is turned on, a current passes through the liquid. As a result, the water heats up quickly.

The coolant itself is a conducting medium. The operation of the electric boiler is controlled by a remote controller, which maintains the desired water temperature. It heats up almost instantly and for a small garden there is no need for an additional circular pump.

Modern electrode boiler Galan

The cost of an electrode boiler is slightly more than the heating element options, but there are also disadvantages of the coolant. The electrodes gradually wear out, and due to the high requirements for the composition of the liquid, dual-circuit models are almost never used. If there are a lot of salts in the liquid, this will cause excessive energy consumption, and if there are few, then electrolysis will become very weak. But you can use antifreeze.

Induction electric boilers

Induction electric heating boilers for summer cottages are much more expensive than other coolants. Heating is carried out using surface Foucault eddy currents, which appear in a core made of metal and placed in an electromagnetic alternating field.

Among the advantages, there is a very fast heating of water, but they are slightly larger in size than electrode generators. Induction coolants are very durable. No scale forms in the coolant, and there is practically nothing to break in the unit.

Induction electric boiler

Results

The rating of electric boilers for heating a private home will help you choose and purchase the best model, taking into account individual needs and requests. The main criterion is the heated area of ​​the building. Knowing this parameter, it is not difficult to calculate the power and select a device with a sufficient level of performance.

For a house with an area of ​​less than 50 square meters. m. inexpensive models are quite suitable: RusNIT 203M or Electrovel EVMP-4.5. Buildings up to 100 sq. m will be perfectly heated by Evan EXPERT 9 or Protherm Skat RAY 9 KE. These boilers are durable and of high build quality. For houses over 100 sq. m recommended models Evan EPO 18 and ZOTA 12 Lux.