Rating of voltage stabilizers for the home: a popular ten among buyers + the nuances of choice

Amir Gumarov
Checked by a specialist: Amir Gumarov
Author: Natalya Listyeva
Last update: October 2019

The rating of voltage stabilizers for the home includes the best-selling appliances from different manufacturers. The presented modules differ from each other in the design of the box, the principle of operation, power, level of efficiency and cost.

It is recommended to buy the product in specialized stores where the rules for storing related electrical equipment are followed.

In this material we will tell you what parameters you need to pay attention to when choosing a stabilizer for the home, as well as provide a brief overview of the best models.

TOP 10 best devices

The top list includes the most popular domestic and foreign devices on the market, designed for different operating conditions. These models received the highest ratings from experts. The best reviews were written about them by real buyers on social networks and on specialized sites.

1st place - RESANTA ACH-5000/1-EM

The module is manufactured by Resanta, a recognized leader in the global market for electrical equipment. The unit is considered one of the best voltage stabilizers in its class.

Designed for operation in a single-phase network with loads within 5000 watts. Easily compensates for incoming voltage drops in the range from 140 to 260 watts.

Technical data:

  • efficiency level - 97%
  • power - 5000 W
  • availability of Bypass - is
  • protective class - IP20
  • specificity - the possibility of increasing the number of outlets using a network adapter, the presence of connecting terminals

The owners say that the unit is sold at a reasonable price, is distinguished by operational strength and excellent performance.Two sockets are conveniently located on the facade for convenient connection of electrical appliances.

The minuses include the occasional clicking sound during operation and the lack of a color scheme for the body, aged in light or gray shades.

2nd place - RESANTA LUX ASN-500N / 1-Ts

A small, compact relay-type module works correctly in single-phase networks. It is conveniently placed on the wall, neatly and attractively looks, does not spoil the interior design of a residential or working room. It is naturally cooled and sold at a low price.

Technical data:

  • efficiency level - 97%
  • power - 500 W
  • Bypass option - no
  • protection class - IP20
  • specifics - good resistance to temperature rise in the room, a display with clear and clearly visible indicators, a durable and aesthetic plastic case

Users say that, despite the low power, the device correctly supports the operation of a TV, a modern refrigerator, a computer and a DVD player.

It does not create an intense sound background in the room and can even be placed in the bedroom, without interfering with night sleep and comfortable rest.

Clients do not mention the shortcomings, as they could not be identified in the process.

3rd place - Calm IS350

A small device has high stabilization accuracy, light weight and compact dimensions. Designed for single-phase networks and supports a small number of electrical appliances.

Technical data:

  • efficiency level - 97%
  • power - 300 W
  • availability of Bypass - no
  • protective class - IP20
  • specifics - good resistance to high humidity, a display with a clear LED indication, a neatly shaped plastic case

According to customer reviews, the module works well and stabilizes the voltage with minimal error. It is not afraid of dampness and functions normally in rooms where the humidity level reaches 90%.

Some customers note that the device does not always provide accurate 220 volts. It seems to some that the price of the device is somewhat overstated and does not match its capabilities and characteristics, but this opinion is subjective and does not find mass support.

4th place - RUCELF SRW-10000-D

For installation in warm rooms, where the temperature never drops below +5 ° C, the instrument from Rucelf is perfect. It easily handles strong network surges and quickly lowers / raises the voltage to standard values.

Technical data:

  • efficiency level - 95%
  • power - 10000 W
  • Bypass option - there is
  • protection class - IP20
  • specifics - low accuracy accuracy of stabilization, wide operating range, high-quality display with LED indicators

The owners note that the high basic power allows you to connect all household appliances and communication units to the unit, which are responsible for the supply of heat and water to the living rooms.

There is no need to look for a special place or leave it on the floor for the appliance. It is conveniently placed on the wall and works normally, without interfering with residents and without occupying useful space in the room.

The stabilizer functions normally at low voltage values ​​and is naturally cooled. Users do not mention cons.

5th place - Powercom TCA-2000

The device is manufactured in Taiwan, has good working power, has compact dimensions and low weight. Protects home appliances from increased voltage, short circuits and daily fluctuations in the network.

Technical data:

  • efficiency level - 95%
  • active power - 1 kW
  • availability of Bypass - no
  • protective class - IP20
  • specifics - LED indicators, 4 output sockets, low noise level during operation

Customers like the high performance of the unit, reliability, durability and moisture resistance. As a minus, weak clicks are heard that are heard at the time of differences.

Some users note that the body of the device significantly warms up under intense load, but no one considers this point critical.

6th place - TEPLOCOM ST-555-I BASTION

Domestic stabilizing apparatus of medium power is intended for round-the-clock maintenance of uniform power supply boilersincluded in home heating systems. Mounted on a load-bearing wall using three-point fasteners.

Technical data:

  • efficiency level - 95%
  • power - 400 W
  • Bypass option - no
  • protection class - IP20
  • specifics - 4 steps of stabilization, 1 output socket, built-in lightning protection

Users like that the device works quietly, differs in operational simplicity and easily withstands significant overloads.

As a drawback, customers indicate a weak level of stabilization accuracy. In the device, this parameter is about 9%. Some notice that during installation, it is necessary to measure the places for fasteners with special clarity, otherwise the module will not work properly.

7th place - Energy ACH 20,000

A powerful, strong and hardy unit is able to serve all home appliances and related appliances. Thanks to the presence of the autoblock, it does not overheat even with increased loads. Equipped with an ergonomic handle to facilitate carrying from one room to another.

Technical data:

  • efficiency level - 98%
  • power - 20,000 VA
  • availability of Bypass - is
  • protective class - IP20
  • specifics - operating temperature range from -30 ° C to +40 ° C, correct operation in high humidity conditions, forced cooling, protection against overheating and network noise, start delay function, connection terminals

Buyers note that the module is able to simultaneously support many "gluttonous" household appliances. When the device is connected, the lamps stop blinking during changes, and the display of computers and the TV does not darken. The flaws in the reviews are not mentioned.

8th place - Daewoo Power Products DW-TZM10kVA

Brand stabilizer is reliable, functional and durable. The case does not heat up in the process, and a bright display allows you to see the current performance even in complete darkness.

Technical data:

  • efficiency level - 95%
  • power - 10000 VA
  • Bypass option - there is
  • protection class - IP20
  • specifics - start delay function, active terminals, minimal noise effect

Owners highly appreciate the build quality and catchy appearance of the unit, combined with a large working resource and efficiency.

The module does not slow down and quickly responds to changes in network parameters. It copes with the protection of any household devices, including devices with intensive inrush current.

There are no technical minuses in the device. The only thing users are not happy with is the lack of wall mount. There are no complaints about all other characteristics.

9th place - Quattro Elementi Stabilia W-Slim 500

This device combines good working qualities and a spectacular appearance. The case box has a laconic narrowed rectangular shape and looks original on the wall of any room.

Among the design features are progressive microprocessor control, high response speed and good accuracy of network adjustment.

Technical data:

  • efficiency level - 98%
  • power - 500 VA
  • availability of Bypass - no
  • protective class - IP20
  • specifics - output socket on the side of the case, delayed start

The unit is convenient and easy to use. It does not require specific care. The durable plastic case of dark color looks good and does not lose aesthetics even after a long period. The working qualities of the module are not inferior to external. Serious flaws in the model could not be found.

10th place - Energotech OPTIMUM + 7500

An electronic device with high power parameters is produced in Russia.Effectively protects household appliances from network interference, short circuit, overvoltage and overheating. It provides high-precision stabilization and functions correctly in a wide temperature range.

Technical data:

  • efficiency level - 97%
  • power - 7500 VA
  • Bypass option - no
  • protection class - IP20
  • specifics - 12-stage voltage stabilization system, reduced sound background during operation, company guarantee for 5 years from the manufacturer

All reviews about the device are written in a positive way. Owners are pleased with the good work of the device that protects the equipment from failure under the influence of drops and network surges.

Additionally, customers praise the build quality of the module and the minimum error in the stabilization accuracy indicator.

Instrument selection criteria

When planning a purchase for a household voltage regulator for a private house or cottages, several important criteria should be considered. Only with this approach will it be possible to purchase an aggregate that exactly meets the requirements and tasks.

The main types of stabilizers

Household voltage stabilizers relay, electronic, inverter, electromechanical and hybrid.

Relay devices are structurally simple and affordable. They are available in a wide range and are suitable for use at home.

Disassembled voltage stabilizer
You can successfully connect conventional household appliances, lighting devices and systems responsible for water supply, ventilation and air conditioning of the living room to the relay stabilizer

If there is no sensitive and demanding electronic equipment in the apartment or house, and the voltage rarely jumps and within small ranges, it makes no sense to overpay for a more sophisticated model.

The relay stabilizer will normally cope with the task and effectively protect the connected household appliances.

However, when purchasing, you need to remember that this type of device produces low stabilization accuracy and significantly noise during operation. It is not worth placing it next to a bedroom or a children's room. It is better to find a place where the pronounced sound background will not interfere with sleep and comfortable rest.

For computers and other equipment that is susceptible to power surges, electronic type stabilizers are more suitable. They will protect the equipment from combustion during network malfunctions and extend the overall life of the gadgets.

Stabilizer with cable for network connection
Electronic devices are highly accurate and efficient technology. They give minimal error, quickly and clearly respond to network surges, work quietly and demonstrate a high level of efficiency

Despite the presence of significant advantages, electronic modules also have disadvantages. Devices are sold at a high price, in case of problems they need expensive repairs and are sensitive to overloads.

Electromechanical units regulate voltage in a continuous mode, provide high accuracy of stabilization, almost do not make noise during operation and are sold at an affordable price. Suitable for use in clean, dry and dust free rooms.

Disassembled Electromechanical Stabilizer
Electromechanical devices have a moving contact. If particles of dust or dirt get in there, it can cause a spark or burning. Due to this factor, the modules are not suitable for use with gas equipment

The disadvantages of electromechanical devices include bulky dimensions and substantial weight, low speed, short life and demanding regular maintenance.

Inverter is a novelty in the market of stabilization equipment. It has many interesting characteristics and is considered one of the most effective to date. The wide distribution of the device in the home is hindered by the high initial cost.

Inverter type stabilizer
The inverter-type unit operates in the range from 115 to 300 V.The alignment error in it does not exceed 1%. The unpretentiousness of the device to the level of humidity and temperature conditions seriously expands the scope of use of the device

It is advisable to spend significant funds on the inverter unit only if the network constantly fixes large deviations of the current input voltage from the nominal value. In other cases, you can save and get by with a less expensive model.

The hybrid stabilizer is an electromechanical device with two relay converters. It has a compact shape, smoothly regulates the voltage, but is expensive and noise during operation. Suitable for connecting to networks that need continuous protection.

Mains Voltage Parameters

The stabilization device is selected according to the type of existing electrical network. To get the exact parameters and real indicators you need to use multimeter and take measurements before buying.

Multimeter for measuring voltage in the network
A multimeter is a universal device for measuring mains voltage, total current and resistance. It makes it possible to get all the information about the current state of the circuit both in the active state and in the passive state

If low voltage from 90 to 140 V prevails in network communications, attention should be paid to units operating in the lower limits.

More powerful devices with a high-level maximum input value will help protect the system from regular overloads and sudden changes. This category includes single-phase modules up to 270 V, capable of leveling up oversized values ​​to standard 220 V.

Instrument Power Level

Power is one of the most important criteria when choosing a home stabilizer. This indicator must necessarily exceed the total power of all energy consumers, subject to a one-time connection to the network.

Power parameters of devices are usually indicated in the technical passport or accompanying documentation. Having added all the indicators of home consumers, you can determine which stabilizer you need.

Room with computer and tv
To service one room, where 1-2 computers and a TV are working, a domestic stabilizer with a capacity of 500-1000 V is enough. It will ensure normal and safe functioning of the equipment

For a guarantee, it is worth adding another 20-25% to the resulting number. The presence of a small margin will reduce the load on the device, extend its service life and allow in the future to connect additional household appliances without updating the stabilization equipment.

In addition, you should consider the possibility of connecting household appliances with a high level of inrush current to the network - a vacuum cleaner, an electric saw, an electric mower, etc.

With intensive use of such devices, it is worthwhile to purchase a stabilizer of greater power or create a separate branch for them for network connection with an individual device for voltage equalization.

How many phases should there be?

A single-phase AC network with a frequency of 50 Hz and a voltage of 220 V is most widely distributed. The bulk of apartment buildings is equipped with it. For such conditions, a household single-phase stabilizer is suitable.

Three phase wall voltage stabilizer
Three-phase voltage stabilizer is three separate single-phase modules, enclosed in a single housing and combined by a common control circuit. When the bias is fixed or the phase is turned off, the control unit deactivates the entire unit

In cottages and country cottages, a three-phase network with a voltage of 380 V is often used. Here you will need to install a reliable three-phase unit. It will evenly distribute the load and protect communications from overvoltage.


Efficiency shows the level of efficiency of the stabilizing device. When buying, you should focus on the highest possible rates.

Devices that provide a working return of 80-93% will normally cope with their task and provide home networks and household appliances with full protection.

Resant automatic stabilizer
Do not save on the purchase of a stabilization device. It is better to immediately purchase a reliable, powerful and powerful unit, manufactured by a responsible manufacturer, long working in the market of related electronic equipment

Models with an indicator of 94-97% will cost a little more, but they can easily withstand the highest operating loads.

Voltage stabilization accuracy

The stabilization accuracy shows how the output voltage deviates from that registered by the device. This value is measured in percent. The best is considered the lowest possible rate.

In budget modules, accuracy ranges from 5% to 8%. Usually this is enough for the normal operation of a home or country electrical network that is not burdened with connecting a large amount of equipment sensitive to network surges.

The master takes apart the voltage regulator
A stabilizer with a minimum deviation index is necessary for electric networks from which refrigeration units, pumps, kettles, stoves and hobs “feed”

If equipment that is demanding on voltage quality is connected to the network, it is better to choose a stabilizer with an error rate of not more than 5%. Only he can ensure the correct functioning and safety of technology.

If you have sufficient knowledge of electrics, you can try to assemble a voltage stabilizer with your own hands. AT this stuff We told in detail how to do this.

Conclusions and useful video on the topic

How to buy a stabilizer for home use and not make a mistake:

How to choose the power of the stabilizer device:

Why is a relay type stabilizer needed and how does it work in the system:

It is advisable to purchase a household voltage stabilizer in specialized stores, where the rules for storing related electrical equipment are observed.

Additionally, it is worth asking the seller to present certificates and quality certificates for the goods. If this request is not denied, you can safely make a purchase. It will be successful and ensure that the home network operates correctly.

If you have questions about the topic of the article, you can ask them in the comments section. There you can share tips on choosing voltage stabilizers or supplement our material with interesting information.

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Visitors Comments
  1. Eugene

    I have a problem with an electric boiler. To be more precise, it’s not with the boiler itself - in a cottage village, voltage drops quite often begin to about 170, plus or minus. The temperature in the house immediately drops, the batteries are a little warm. The brother advises trying to connect the boiler through the stabilizer.

    I figured it out, I have a 6 kW EVAN boiler, it turns out that a stabilizer is needed from 8 kW. I looked at the prices of stabilizers and gasped. Even if you take relay, which is cheaper, they cost about the same as the boiler itself. And the worst thing is that there is no guarantee that the stabilizer will help. To give such money and not solve the problem would be very unpleasant.

    • Expert
      Amir Gumarov

      Good afternoon, Eugene.

      There are several solutions to the problem:

      - make the network organization find the reason for the voltage drops - even the president can be asked with a question if the power engineers don’t react. Dissatisfied with the quality of electricity supplied must be combined, then the claim / complaint will be more impressive. Together, you can find an intelligent lawyer who will help recover damages;

      - purchase a single-phase wall stabilizer "Calm". Power line - 0.35 ~ 12 kW. Smoothes voltage fluctuations 90 ~ 310 V. Cost - less than 5000 rubles;

      - buy a thermal battery. For example, S-Tank, Hajdu, Drazice. They cost five times more expensive than the previous version. True, you can try to do it yourself - in fact, this is a thermally insulated barrel, complemented by shadows.

      - buy an inverter-battery unit. For example, UR-5000. The price is frightening (345,000 rubles);

      - refuse electric heating - install a boiler using gas, liquid, solid fuel.

      About exotic such as a set of "solar panels-inverter-battery", the wind generator just do not want to mention.

  2. Nikolay

    I do not agree with this rating. Resanta - complete ..., in general, cheap Chinese appliances under the Latvian brand. Very poor build quality, constantly breaking.

    • Expert
      Amir Gumarov

      Good afternoon, Nikolai.

      Available statistics contradict your opinion. MegaResec analysts, who studied the Russian market of stabilizers, stated that more than 60% of this segment is occupied by Resanta stabilizers.

      It is unreasonable to poke quality with Chinese roots - domestic businessmen supply Russia with low-grade foreign products. The US market is filled with solid Chinese goods, which are more expensive than analogues dumped in the Russian Federation.