Which company to choose a floor-standing gas boiler? The rating of double-circuit wall-mounted gas boilers will help you decide on your purchase. The most attractive in price

Gas boilers- this is the best solution for gasified premises. The main advantages of using gas boilers: they are easy to operate and maintain, compact, suitable for heating a private home and non-residential premises.

Technical characteristics and types of gas boilers

When choosing a gas heating boiler, you should take into account its main characteristics: type of combustion chamber, number of circuits, type of installation.

According to the installation method, gas heating boilers are:

floor-standing: such boilers are characterized by high power and long-term operation, but it is recommended to allocate a separate room for them;
wall-mounted (mounted): have a small weight, are compact, their cost is much lower than the price of floor-mounted ones.

Today, both single-circuit gas boilers that provide only heating and double-circuit gas boilers are equally popular. The functions of the latter include both heating and water heating. It is boilers with two circuits that are most often purchased for homes and cottages.

Based on the type of combustion chamber, the following boiler models are distinguished.

With an open combustion chamber - in this case, oxygen is consumed from the room in which the equipment is installed.
With a closed combustion chamber (or a turbocharged gas boiler) - it receives oxygen from the street. Such models have a number of advantages:

easy installation and operation;
high efficiency;
safety;
the need to use a simple coaxial chimney of small diameter.

Where to buy a gas boiler?

At the Teplomatika company you can buy gas boilers online wholesale and retail. Our qualified employees will install and connect gas heating systems. We sell the highest quality products at affordable prices.

You can order a gas boiler in several ways - by adding the item to your cart or making a purchase in one click. All information about delivery conditions is contained in a separate section.

The rating of double-circuit wall-mounted gas boilers will allow you to decide on the optimal model that matches your budget and home interior. The temperature parameters for all modifications are practically the same. More expensive variations have a multifunctional self-diagnosis system. The service life and reliability of the device are determined by the quality of the assembly and the safety of the mounted elements. The devices are designed for heating various types of premises with the possibility of simultaneous supply of hot water. Let's consider several brands that are recognized as leaders in the respective market.

System Wolf GGG-1R-24 ("Wolf")

In the rating of dual-circuit devices, this device occupies a leading position. The device is equipped with a forced smoke removal function and has a closed working compartment. The built-in fan allows you to adjust the number of revolutions depending on the length of the outlet pipe used.

The advantages of the modification include the following aspects:

High efficiency.
Wall mounted without side access.
It is possible to connect to the main line with natural and liquefied gas.
Provides immediate start of hot water supply.
Soft start, compact dimensions and relatively low weight of 40 kg.
Automation type Wolf CGG-1K-24 is provided.
Thermal value - 9.4-24 kW.
The presence of a pair of heat exchangers made of copper and stainless steel.
The expansion tank has a volume of 8 liters.
High build quality, ease of installation, and reliable design complement the advantages of the unit.

Bosch-6000 W ("Bosch")

In the rating of double-circuit wall-mounted gas boilers for heating a private home, this German brand occupies a leading position. The unit is specially designed taking into account the climate and energy supply of various regions of the Russian Federation. The device has wide functionality.

Its advantages:

Ergonomic and original design.
Compact dimensions do not interfere with the installation of equipment in small residential and commercial premises.
Stable operation is ensured even with interrupted voltage and pressure in the working pipeline.
Fuel is saved thanks to the presence of high-tech elements and connections.
The operation of main and bottled gas is possible.
Improved smoke removal and fire safety systems.
Power - 24 kW.
Working chamber type - closed compartment.
Productivity - up to 11.5 liters of hot water per minute.
High-quality assembly and focus on working in difficult conditions of some regions of the Russian Federation.

Baxi Luna-3 Comfort 240 Fi ("Baxi Luna")

The rating of double-circuit wall-mounted gas boilers will be continued by a representative from Baxi. The model is fully oriented to work in the Russian water and gas supply system. The unit is able to fully function even when the input pressure drops to 5 mbar. The removable panel is equipped with a digital screen, serves as an indicator of outside air temperature, is aggregated with liquefied gas, and is equipped with a filter element for water.

The disadvantages include high cost and sensitive electronic control system. There are incomparably more advantages in this device:

The unit is adapted to domestic operating conditions.
The removable panel and closed combustion chamber increase efficiency to the maximum level.
It is not for nothing that the design is one of the best wall-mounted double-circuit gas heating boilers, the rating of which is presented in the article. This is due to the presence of a liquid crystal control screen and indicator, as well as the possibility of self-diagnosis.

Navien Deluxe 24K ("Navien Deluxe")

This brand was also included in the best rating of double-circuit wall-mounted gas boilers. The device is equipped with a closed combustion chamber, which is adapted for operation in domestic conditions. A functional menu and original design complement the quality characteristics along with an affordable price.

Advantages of the unit:

There is a frost protection unit that operates automatically, maintaining an operating temperature of 6 degrees.
Stability of operation is noted in the case of reduced water pressure and gas pressure.
The package includes a remote control for controlling the system.

Rating of wall-mounted double-circuit gas boilers of the brand "Gepard 23 MOV"

These units are intended for private houses and apartments that need to provide hot water and heating. The efficiency of the unit is more than 93 percent; they produce at least 11 liters of hot liquid per minute.

Advantages:

Convenience and ease of operation and maintenance.
Availability of a liquid crystal information screen.
The heating elements and burners are able to function independently of each other.
It is possible to independently diagnose the equipment.
There is an operation switch depending on the season of the year.
An efficient circulation pump completes the package.
Provides protection against overheating, freezing and excessive pressure.
There are indicators for the presence of flame and draft in the chimney.

Among the negative aspects, users include the need to install a filter at the inlet when supplying water, as well as arranging the structure exclusively in rooms with a chimney.

Valliant ecoTec plus VUW INT IV 246 ("Valliant")

From this manufacturer, wall-mounted gas double-circuit boilers have a rating of more than 9.5 points on a ten-point scale. The German unit is capable of producing thermal power in the region of 20 kW, which is quite enough to heat an area of up to 200 square meters. The device in question belongs to the class of condensing heaters. This design allows you to use less gas while maintaining the desired temperature.

Modification features:

Option Aqua-Power-Plus, which makes it possible to increase power up to 24 kW.
eBus digital module and DIA analytical system.
Application in places with low temperature heating.
The function of air intake from the inner and outer shell is provided.

Buderus Logano G234 WS-38 ("Buderus Logano")

In the rating of wall-mounted double-circuit gas boilers of a closed type, this brand received a rating of 9.8 on a ten-point scale. The unit belongs to the powerful category, focused on heating large areas. The thermal power of the device is 38 kW. This allows heating of a space of 380 square meters.

A gas double-circuit wall-mounted boiler, whose reliability rating is one of the best, is adapted for operation in domestic conditions. The device can provide not only heating, but also water heating, thanks to its large volume and automatic control type.

Model Baxi Duo-tec Compact 24 ("Baxi Duo")

The Italian brand continues the rating of the best wall-mounted double-circuit gas heating boilers. The device is equipped with a closed working chamber and two heat exchangers made of stainless steel. The boiler is easy to maintain and install, and is adapted to work in conditions of domestic electricity and gas supply. The minimum power is up to 5 mbar at the input.

Peculiarities:

Compact dimensions and light weight.
The high efficiency rate is up to 35 percent during the heating period.
There is a deep modulation mode.
The unit has a low noise and vibration level.
Money is saved on equipping the chimney (an analogue version with a reduced diameter and exhaust gas outlet through the wall is available).

Power calculation options

Gas wall-mounted double-circuit heating boilers, the ratings of which are given above, require correct calculation of power during operation. Let's look at these parameters in several available versions.

Approximately take 1 kilowatt per square meter of heated space. In this case, the maximum power of the equipment is taken into account from the average external temperatures and the structural features of the room.
The second method also does not require the use of special formulas and calculations. Working values are multiplied by a correction factor, which is 1.5 for Moscow and 2.0 for the northern regions. For summer-type buildings that do not have good insulation, this figure increases to 4.0; taking into account the characteristics of the building, in this way you can quite accurately select the required value.
The third option is considered the most difficult. It is based on the calculation of all heat losses of the serviced compartments. The scheme takes into account the maximum and minimum ambient temperatures, as well as the characteristics of the building.

Peculiarities

It is worth noting that the rating of double-circuit wall-mounted units shows their type based on the type of heat exchanger and the ability to prepare hot water. It is worth noting that the heat exchange block is made in a bimetric or separate design.

The first option serves as a unit with a pair of circuits, which are equipped with coaxially located pipelines (pipes are placed one inside the other, larger in diameter). Such structures have fewer elements, but require careful maintenance to avoid the formation of scale and deposits.

Separate heat exchangers are heated from the primary power source, their price is an order of magnitude more expensive than paired options. They are less sensitive to salts and other impurities in the water, but require the inclusion of additional taps and control devices. This variation allows you to get a larger volume of hot water in a certain unit of time.

Burners

These elements are divided into atmospheric types and supercharged samples. Wall-mounted models have mostly built-in burners. They are selected based on the required parameters and power.

Atmospheric specimens obtain a working mixture of air and gas by exposure to excess pressure. This option is the simplest and most common method in the category of small and medium volume boilers. The forced-air burner receives the gas-air mixture using a built-in fan. Using the ability to adjust this device, you can adjust the operating modes and power of the device. This allows you to get rid of surges in voltage and pressure, but requires greater costs and increases noise during operation of the unit.

Air intake

This parameter is one of the most important in the rating of wall-mounted gas double-circuit boilers in terms of reliability. There are modifications with an open or closed combustion chamber. The first variations operate by taking air directly from the room being served. This method is simple, but requires additional replenishment of the external cold flow. To do this, you will need a powerful ventilation system, part of the energy of which is spent on heating the incoming air.

Models with a closed combustion chamber receive flow through a separate pipeline from the street. To do this, additional thrust is created using a fan. This design has its advantages in that it is economical and less dependent on the arrangement of the chimney. At the same time, it is noisier, more expensive and energy-dependent.

Condensation or convection?

This indicator comes first for double-circuit boilers. Convection standard models lose some energy along with the exhaust gases. Their efficiency is about 90 percent. This aspect increases in proportion to the temperature of the gases (the lower it is, the higher the performance of the equipment). However, there is one peculiarity: when the operating temperature reaches above 56 degrees, a condensation effect is observed. This phenomenon has a very aggressive effect on the elements of the device and can render them inoperative in a couple of seasons. As a result, the maximum temperature is no more than 100 degrees, giving off the rest of the heat uselessly.

The double-circuit wall-mounted condensers that we reviewed are more economical, but require several mandatory measures. The efficiency of such models is 10-12% higher than traditional models. Condensation is carried out directly in the equipment, which uses not only the internal temperature, but also the indicators released during condensation. The result is the so-called higher combustion value.

Double-circuit gas boilers have become quite widespread. They are functional, reliable, but somewhat complex in their internal structure. Therefore, their choice is often complicated by the fact that consumers cannot choose a sufficiently reliable model. In this regard, we decided to compile a rating of double-circuit gas boilers for you so that you can make the right choice.

The following brands appear on the list of leaders:

Vaillant;
Protherm;
Immergas;
BAXI;
Buderus;
Bosch.

Boilers from BAXI

The reliability rating of double-circuit gas boilers includes models from the Slim, Luna and Nuvola lines. Reviews about the other lines are not the most positive, so they were not included in our review. A typical representative of BAXI products is the double-circuit wall-mounted boiler LUNA-3 240i. The unit has a power of 24 kW, the performance of the DHW circuit varies from 9.8 to 13.7 l/min. The primary heat exchanger is made of copper, which is a big plus. The boiler is adapted to Russian operating conditions and has a good margin of reliability.

Another notable boiler is the BAXI NUVOLA-3 Comfort 240 Fi. The unit is characterized by high efficiency, which reaches 93.9%. Its thermal power is 24.2 kW, the primary heat exchanger is made of copper. The hot water circuit can produce up to 14 l/min. The possibility of connecting underfloor heating is provided, and the boiler design includes a boiler - an excellent model worthy of adding to the rating of double-circuit gas boilers.

Technology from Protherm

Equipment from the Protherm brand has leaked into our reliability rating of wall-mounted gas double-circuit boilers. The Gepard 23 MOV model has a power of 23.3 kW and a DHW circuit capacity of 11 l/min - not enough, but quite enough for one water collection point. The efficiency of the presented sample is 90.3%, possibility of working with heated floors. The device is equipped with harness and numerous automation systems.

The Panther series of gas double-circuit boilers has good quality and a margin of reliability. The samples presented in it are worthy of inclusion in the rating. Buyers can choose from 25 and 30 kW units, which are the most popular. The equipment is characterized by high efficiency, reaching 92.8%. There are modifications on sale with open and closed combustion chambers. The productivity of hot water supply circuits reaches 14 l/min.

Equipment from Vaillant

The reliability rating of double-circuit gas boilers would be impossible to imagine without boilers from Vaillant. They have good technical characteristics and affordable prices. A typical representative is a boiler with the long name Vaillant atmoTEC pro VUW 240/5-3, with a power of 24 kW. The unit is equipped with an open combustion chamber, built-in piping and electronic control with the ability to connect external control units.

The wall-mounted double-circuit gas boiler Vaillant ecoTEC plus VUW INT IV 246 is no less reliable. The device included in our rating belongs to the category of condensing equipment. Thermal power is 20 kW, but the efficiency reaches 98%. According to the manufacturer, this equipment can save at least 10% of gas when heating rooms. The combustion chamber here is closed, there is a piping in the design.

Double-circuit gas boilers from Vaillant are becoming increasingly popular, which ensured their inclusion in our rating. They are characterized by a high level of reliability and resistance to breakdowns.

Models from Immergas

The presented brand is not the most famous on the domestic market, but it includes many quite successful models. A typical representative of our rating was the Immergas Nike Star 24 3 double-circuit convection gas boiler, whose power is 23.6 kW. The equipment is equipped with an open combustion chamber, it is efficient and quite economical. The only thing that didn’t work out was with the DHW circuit – it is capable of delivering a maximum of 11.1 l/min.

Another unit was included in the rating of double-circuit gas boilers in terms of reliability - this is the Immergas Eolo Star 24 3. We have one of the most frequently requested models with an efficiency reaching 93.4%. The device is turbocharged; for its operation you will need a coaxial chimney. The design includes a circulation pump and a 6-liter expansion tank. Maximum hot water productivity – 11.1 l/min.

Devices from Bosch

The rating of wall-mounted gas double-circuit boilers includes models from the world-famous company Bosch. In general, its products tend to be included in various ratings, since they have a solid margin of reliability. One of the samples in demand and loved by customers is Bosch Gaz 6000 W WBN 6000-24 C. Advantages of the unit:

Affordable price;
Copper heat exchanger;
Almost complete absence of breakdowns;
Simple controls.

The power of the unit from our rating is 24 kW, the temperature of the coolant in the heating circuit is no higher than +82 degrees. The combustion chamber is closed type. This double-circuit gas boiler is adapted to domestic operating conditions and can withstand changes in supply voltage, gas and water pressure in the water supply.

Among the low-power samples, we can highlight the Bosch Gaz 6000 W WBN 6000-18 C, which is an analogue of the above-described model, but with lower power - it is 18 kW.

The gas double-circuit condensing boiler Bosch Condens 3000 W ZWB 28-3 C belongs to the category of reliable and economical heating equipment. The power of the unit is 21.8 kW, it can heat the coolant to a temperature of +90 degrees. You can connect heated floors and additional control panels to it. Another advantage is the decent design - here we see a strict case with a disguised control panel.

Buderus boilers

The rating of gas double-circuit boilers continues with models from the German brand Buderus. The leader here is the Buderus Logamax U072-24K. Its power is 24 kW, the heating area can reach 250 sq. m. The efficiency is not bad - the maximum is 92%. The temperature in the DHW circuit reaches +60 degrees, but productivity is quite low - from 6.8 to 11.4 l/min. The boiler is equipped with a standard control panel, but for greater convenience, a room thermostat should be connected to it.

The presented equipment received excellent customer reviews due to the ease of control, silent operation and gas savings.

Among the low-power models, it is worth noting the Buderus Logamax U072-12K double-circuit gas boiler, which was included in our rating due to its reliability. It is an analogue of the above-mentioned device, but it is aimed at heating households up to 120 square meters. m. Here we will find a closed combustion chamber, separate heat exchangers (the primary one is made of strong and durable copper), as well as simple and intuitive controls.

Bottom line

Our rating of the most reliable double-circuit boilers could include many other models. The brands Ariston, Navien, Wolf and even domestic brands have decent devices. But we recommend paying attention only to the most famous manufacturers - they produce more reliable equipment, which is very important when building a home heating system. If well-known manufacturers have unsuccessful models, then little-known companies have even more of them.

However, there are exceptions - sometimes boilers that could not enter the rating work properly for many years, while well-known units, which took 2-3 weeks to choose, literally plague users with numerous breakdowns.

Video

Maintaining an acceptable temperature in the room during the cold season is not only the key to a comfortable stay in it, but also a guarantee of the longevity of the house. Heating with electricity is expensive, and heating with wood is not very convenient; all that remains is to choose the best gas heating boiler, proven over the years, and with its help create optimal living conditions. There is so much of this equipment on the market and it is not cheap, so it is important to make a choice in advance, which our rating will help you make.

This niche is considered very specific, so some companies specialize only in creating heating equipment. It is best to choose among them - the quality is higher and the prices are lower.

The best gas boiler companies include the following manufacturers:

Buderus- one of the Bosch brands, only the prices for its products are somewhat lower and more affordable. The company devoted all its efforts to the production of heating equipment for private homes. The range includes mainly models for wall mounting.
Leberg is a rather middle-aged brand that appeared on the market in 1965. Its products are designed for middle-class consumers; the price range is small - from 20,000 to 30,000 rubles.
Bosch– the company is the most famous on the market and has been offering German quality since 1890. The line is dominated by wall-mounted models, both single- and double-circuit.
Lemax is one of the few Russian manufacturers of gas heating boilers. It has both premium and budget offerings.
Protherm– by choosing equipment from this brand, you can be sure that there will be no problems with its maintenance due to the large number of service points.
Baxi is a supplier of modern heating systems operating since 1925. He was the first among similar companies to receive the ISO9001 quality certificate for such products, and in 2001 he was noted as an “ecological manufacturer.”

When choosing a particular brand, you need to pay attention to the availability of service in your city.

Rating of the best gas boilers

The list was formed based on user reviews, in which special attention was paid to the frequency of breakdowns, availability of repairs, and equipment efficiency.

Thermal power;
Number of circuits;
Chimney type;
Installation method;
Ignition type;
Dimensions;
Color;

You will see how to choose a gas boiler for heating in this video:

The best wall-mounted gas heating boilers

This is an ideal solution for small spaces, because the equipment does not take up much space. It is compact, looks neat and easily fits into any interior. But, unlike floor-standing models, the power here is somewhat less.

This is a wall-mounted gas boiler, in which, first of all, stable combustion thanks to the impulse tube is worthy of attention. Reviews indicate that it maintains a comfortable temperature, regardless of the gas pressure level (from 9 to 30 mbar). It is convenient to be able to adjust the rate of heating of the room by selecting one of three pump operating modes. Even at the highest level, there is practically no noise (the threshold does not exceed 39 dB). The user will always be aware of the current state of the system due to the backlit display. The electrical connection has been thought out to the maximum. The water is also heated to 60 °C.

Advantages:

Silent;
Convenient display;
Optimization for the Russian market;
Economical;
Easy to use;
Compliance of the actual efficiency with the declared one;
Frost protection.

Flaws:

In severe frosts it may malfunction.
There is a defect in the control board;
Heavy weight.

average price– 28,600 rub.

This is another popular double-circuit wall-mounted convection-type heating boiler. It needs liquefied or natural gas as fuel and operates stably at a power of 7-24 kW even with changes in water supply pressure. The tank here is larger than in the Leberg Flamme 24 ASD, its volume is 8 liters. The control is completely electronic, ignition is automatic, which makes operation easier. The auto-diagnosis mode allows you to do without a specialist in case of minor breakdowns. The thermometer notifies that the air in the room is warming up. Weight, as for the wall-mounted model, is average – 32 kg. The model is adapted to Russian operating conditions.

Advantages:

Works quickly;
Easy setup;
Small sizes;
Quiet operation;
Good choice of capacities;
High efficiency.

Flaws:

Sometimes the control boards “fly out”;
Difficulties in repair;
Marriage is common;
Condensation quickly accumulates in the relay tubes, which causes an error;
The warranty is not always valid.

How to operate a gas boiler.

average price– 33,000 rub.

The best floor-standing gas heating boilers

They are much more powerful than wall-mounted models, but at the same time they weigh two or even four times more. The disadvantages include the high price, the need to install a chimney, very large dimensions and high gas consumption. The main advantage is the ability to heat even large houses.

This is a convection gas boiler for heating with one circuit and an open type of combustion chamber. This can be a problem in small, poorly ventilated spaces. Among the advantages, it is worth highlighting the simple adjustment of room temperature thanks to the ability to connect a room thermostat. The soft start system prevents the equipment from overheating. A power of 12 kW is quite enough to heat an area of up to 125 square meters. m. The efficiency level here is lower than that of analogues (90%). Mechanical control and operation of only one type of fuel – natural gas – can also cause inconvenience. The rather large weight (62 kg) cannot be called an advantage either.

Advantages:

Ignition does not depend on electricity;
Three-year warranty;
Advanced security system;
Low cost;
High-quality assembly;
Doesn't heat up;
Moderate fuel consumption.

Flaws:

Low corrosion resistance;
External control must be connected separately;
Low power.

You can here.

average price– 18,000 rub.

Lemax Premium-12.5N is the best gas heating boiler among the inexpensive and most affordable options.

This is a floor-standing gas boiler for heating large areas, up to 350 sq. m. High operating efficiency is confirmed by an efficiency of 90-92%. The equipment is protected from overheating and in case of a critical temperature increase it turns off automatically. The expansion tank holds up to 10 liters of coolant, this figure is more than that of competitors. There is a special system to control electric ignition and flame strength. The thermal power is not bad - 24.5-35 kW, but the noise level is disappointing - up to 55 dB. The device requires natural or liquefied gas to operate.

Advantages:

Simple ignition;
Spacious;
Powerful;
Has a built-in 90 l boiler;
No condensation accumulation.

Flaws:

Too big;
Very heavy;
Complex installation;
It is noisy;
Quite expensive.

How to operate a heating boiler.

average price– 65,000 rub.

Protherm Bear 40 KLZ is one of the most expensive floor-standing models.

This is a very powerful single-circuit boiler for floor installation with an efficiency of 90%. Its ease of use, intuitive electronic controls and high level of protection against low temperatures and overheating helped it enter the rating. To operate, you need liquefied or natural gas, which makes it universal. In case of problems, the self-diagnosis system is activated. A plus is the ability to connect an external outdoor temperature sensor. Electric ignition is carried out smoothly, as well as flame modulation, which eliminates the risk of overheating of the device.

Advantages:

No smell;
It is not noisy;
Heats the air quickly;
Doesn't crash;
Does not turn off at low temperatures.
Doesn't get very hot;
Powerful (40 kW).

Flaws:

Requires the involvement of professionals for connection;
Not available everywhere, pre-order required;
Heavy weight (158 kg);
Expensive;
Weak ignition unit.

Here is a detailed description of the gas heating boiler

average price– 64,000 rub.

Which heating gas boiler is better to choose?

For buildings up to 200 sq.m. m. a wall-mounted boiler with a power of up to 20 kW will be quite sufficient. This figure is calculated using the following formula - 1 kW x for every 10 m of a heated room with a ceiling height of 3 m. For a large quadrature, you will need a model from 30 kW and preferably a floor-standing one. If you don’t need to heat the water if you have a boiler or water heater at home, then you don’t have to overpay for the second circuit.

For buildings whose area does not exceed 150 square meters. m., you can choose Lemax Premium-12.5N.
Heat rooms with a total area of 110 to 240 square meters. m. will help Bosch Gaz 6000 W WBN 6000-24 C.
For large houses ranging from 150 to 350 sq. m. models Buderus Logamax U072-24K and Protherm Bear 40 KLZ are suitable.
If you only need to increase the air temperature and there is no need to heat the water, then the Baxi SLIM 1.400 iN will be just right.
The Leberg Flamme 24 ASD is ideal for working in underfloor heating mode.

This video is about how to choose a gas boiler for heating:

The rating presents only the best gas heating boilers for houses and apartments, which have collected the largest number of positive reviews. And that is why choosing them certainly should not disappoint you.