Atmospheric gas boilers: rating of the TOP-15 best models and tips for choosing

How to calculate the optimal value of the thermal power of a gas boiler?

Why take a boiler more powerful than required, if this will certainly lead to unnecessary costs not only at the time of purchase, but also during operation. On the other hand, giving away a lot of money and getting cold in winter, washing your face with cold or slightly warm water is, to put it in television serial language, a loss of losses!

The simplest method of selecting the golden mean: 1 kW per 10 m² of serviced area. However, this is very approximate and does not take into account some of the most important parameters.For example, such as: the climatic coefficient of a particular region, the degree of thermal insulation of the walls, the level of probable heat loss, the volume (and not just the area) of the room, etc.

Therefore, a more accurate calculation is needed. There are two ways: use publicly available formulas that take into account the above criteria (it becomes possible to remember your school years) or act more rationally and use a special calculator, which is a dime a dozen on the network.

Gas boiler manufacturers

The range of household class hot water gas equipment in Russia is huge. There is a boiler of any capacity for both a cottage and an apartment. These are the dimensions of the ondulin are strictly standardized, since the developer and manufacturer are, in fact, the same. And there are more than two dozen domestic and foreign manufacturers of equipment for home boilers in our market. And each of them has its own lineup with certain additional functions.

Model Bosch Gaz 7000 W MFK - price from 52,000 rubles (2018)

The TOP-10 manufacturers of gas boilers include:

1. Pechkin (Russia).

2. Lemax (Russia).

3. Ariston (Italy).

4. Bosch (Germany).

5. Buderus (Germany).

6. Baxi (Italy).

7. Leberg (Norway).

8. Protherm (Czech Republic, Slovakia).

9. Vaillant (Germany).

10. Viessmann (Germany).

Baxi NUVOLA Duo Tec - price from 90,000 rubles (2018)

It's hard to pinpoint which one is better. In the assortment of each manufacturer there are both floor and wall equipment with different capacities. They also do not have a narrow specialization in the types of chambers and burners. Everyone is trying to offer customers modern boilers for specific needs with a full range of all possible automation. The only question is the cost of additional options and their need.

Wolf ComfortLine CGB - price from 190,000 rubles (2018)

The price for various modifications ranges from 15 to 200 thousand rubles. The cheapest are floor single-circuit models from Pechkin and Lemax. And the premium segment is more Vaillant and Protherm.

The best pellet boilers with a bunker

Buderus Logano S181

German single-circuit solid fuel boilers Buderus Logano of the S181 series are represented by three models with a capacity of 15, 20 and 27 kW. They are used for heating low-rise residential and industrial buildings up to 216 sq.m. The equipment is designed to work with fine fractions of coal or pellets.

Watch product video

Design features

Structurally, the products consist of two blocks installed in direct contact:

• the boiler itself with a combustion chamber, a heat exchanger and a control unit;
• a capacious bunker for storing a supply of fuel with the possibility of metered supply of it into the combustion chamber.

A 220 volt power supply is required to operate the mechanisms and the automation system. The boiler is capable of heating the circulating coolant up to 80°C.

The heat exchanger is designed for a pressure of 3 bar. In case of overheating, automatic protection is activated. Human participation in the regulation of the combustion process is almost not required. The efficiency of models of this series is 88%.

ACV TKAN

The lineup

The line of solid fuel boilers of the Belgian brand ACV is represented by household and industrial units with a capacity of 60 to 300 kW. They have one circuit for heating the coolant circulating through the heating system of the building. The installed electrical equipment needs to be connected to a 220 volt AC mains.

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Design features

The unit consists of a body with elements placed inside it: a combustion chamber, an ash pan and heat exchange equipment. A capacious bunker with a supply of pellets is attached to the side. The heat exchanger is made of copper. Such material excellently conducts heat, is not afraid of corrosion and almost does not lend itself to sticking layers of scale and dirt. The equipment withstands a pressure of 3 bar and heats the circulating water up to 80°C.

Such boilers are designed for long-term operation without human control. Their efficiency reaches 90%.

Zota 15S Pellet

The lineup

Pellet boilers of this Russian The brand is represented by a long range of heating devices with power from 15 to 130 kW. They have one heat carrier heating circuit and are used exclusively for space heating. Maximum parameters of the circulating coolant:

• pressure 3 bar;
• temperature 95o C.

In case of overheating, a blockage is activated. The device is distinguished by the presence of a large bunker designed to store a supply of pellets and feed them into the furnace. It allows you to leave the boiler for a long time without direct human control.

For the operation of automation and the transport line, the unit must be connected to a household electrical network. On the rear wall there are fittings for connecting a chimney with a diameter of 150 mm and heating pipelines for 2”.

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Design features

In the absence of pellets, you can switch to using ordinary firewood. To do this, you will have to install the additional grate supplied with the delivery and disconnect the secondary air supply pipes. Boilers of this brand are not only simple and unpretentious, but also achieve an efficiency of 90%.

Kiturami KRP

The lineup

Pellet boilers from a well-known Korean manufacturer are available in two versions with a capacity of 24 and 50 kW. They are designed for heating and supplying hot water to residential and industrial premises. During installation, the equipment is connected to a 220-volt electrical network, a chimney is connected, and water supply pipelines are connected. In maximum performance mode, power consumption does not exceed 50 watts.

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Design features

All connections are on the back. The exhaust outlet has a diameter of 120 mm, the water pipes have ½ and ¾”. Hot water in the DHW circuit is heated to 65 ° C, and in the heating system - 85 ° C. The operating pressure reaches 6 and 2.5 bar, respectively. Boilers of this brand are distinguished by:

• compact size;
• functionality;
• ease of setup using a remote control with digital indication of readings;
• high degree of automation;
• a long period of work on one load;
• economy.

The efficiency reaches 92.6%. In the given mode, the boiler is able to prevent the system from defrosting, reaching the minimum indicators to maintain a positive temperature. Organic pellets are used as fuel, loaded into a capacious bunker installed in the immediate vicinity of the boiler.

1 Rinnai RB-207RMF

It is not for nothing that the Japanese are known as techno-freaks - they even managed to fill the Rinnai RB-207RMF gas boiler with the most modern electronics. What makes it unique is, first of all, the algorithm for automatically maintaining the optimal ratio of the gas-air mixture in the working chamber. The process is controlled by the "brain" with touch sensors.This achieves an unprecedentedly wide power output range from 17 to 100% and, as a result, a reduction in gas consumption and an increase in the service life of the primary heat exchanger.

You can control the model from the Standard modification remote control (supplied in the basic kit), Deluxe or Wi-Fi. With it, you can program an individual mode of heating and hot water supply, which will be maintained automatically depending on the indicators of sensors outside and inside the building. Changes in the settings are duplicated by the voice navigator. 2 microprocessors are responsible for safety at once, controlling and correcting each other's work. This is not a boiler, but a space rocket, not otherwise!

Attention! The above information is not a buying guide. For any advice, you should contact the experts!

3 Baxi SLIM 2.300i

The Italian gas boiler Baxi SLIM 2.300 i has a built-in boiler with a capacity of 50 liters. Thanks to this design, there will always be a sufficient supply of hot water in the house. The security system includes a closed combustion chamber, protection against overheating and freezing, from blocking the pump, there is a draft sensor. The boiler can also be operated from liquefied gas. Additionally, it can be equipped with a timer and remote control. The double-circuit convection boiler is adapted to Russian conditions.

Consumers note the versatility of the boiler, its efficiency, ease of installation, the ability to work on liquefied gas. The main disadvantage is the high cost.

No. 7 - Ariston Kares X15FF NG

On the 7th place in the ranking is the Italian gas boiler Ariston Cares X15FF NG. This is a universal unit that can be fixed to the wall or mounted on the floor in the boiler room.Belongs to the double-circuit type. Power is 15 kW, and is regulated within 11-15 kW. Closed combustion chamber. Dimensions - 40x70x32 cm. The storage boiler is not included in the kit. Management is electronic.

Advantages:

• universal installation;
• high efficiency - 93%;
• the presence of automatic ignition;
• modular assembly that reduces the risk of leaks;
• reliable protection system;
• convenient display with the output of the necessary information.

Minuses:

• low power;
• energy dependence.

For houses with an area of ​​\u200b\u200bno more than 120 m2, this boiler can be considered ideal. Increased safety and uninterrupted operation is ensured by high build quality.

Asian manufacturers

After European brands, you should pay attention to Asian brands. Modern Korean and Japanese corporations are known for their cutting-edge technology, and this extends to heating technology as well.

South Korea «Navien»

A large company from South Korea, which specializes in developments in the field of climate technology. More than fifty export countries confirm the quality of equipment produced by the brand.
Also, the company, founded in 1967, is the winner of many awards in the field of technical development, and has achieved tremendous success in the market for fifty years.

Advantages:

• Modern technological system of protection against pressure drops of gas and water, as well as power surges.
• High efficiency.
• Convenient display on which you can monitor the operation of the device.
• Silent operation.
• Smoke removal system.
• Ability to control via smartphone.
• Various design options.
• Affordable price.

Flaws:

• The control panel of the device is short-lived and often needs to be replaced.
• In some models, heat exchangers may rust.

Once installed, these boilers operate reliably without unnecessary noise and problems, reliable, productive and highly functional.

Japan Rinnai

Rinnai is a popular Japanese brand founded in 1920. For almost a century of experience, the corporation has gained vast experience in the production of heating equipment. Over the years, the company has earned many quality certificates and awards. Rinnai offers double-circuit boilers in various modifications.

Advantages:

• Standard set of options for protection, performance of the unit.
• Uninterrupted supply of hot water.
• Possibility to use liquefied gas.
• Environmentally friendly models that save fuel.
• Copper heat exchanger.
• Convenient temperature settings.
• Compact and ergonomic design, quiet operation.

Flaws:

• There is no mains stabilizer: the devices are not protected from voltage surges.
• There is no tank that feeds the network in extreme situations.

Japanese-made boilers are thought out, rarely need repair, they save fuel and space in the house, and there is absolutely no noise during operation.

1 Vaillant ecoVIT VKK INT 366

The gas boiler from Germany Vaillant ecoVIT VKK INT 366 has the highest efficiency, which is 109%! At the same time, the device produces 34 kW of energy, which allows you to heat a house up to 340 square meters. The German specialists achieved the maximum result from gas combustion through the use of a modulating burner, flame control, conservation of latent heat of condensation, a multi-sensor control system, an information and analytical center, electronic ignition, etc.

Consumers highly appreciated such qualities of this single-circuit boiler as functionality, reliability, stylish appearance. It is worth noting that electronics are very sensitive to voltage drops in the mains. Therefore, it is necessary to additionally install a voltage stabilizer in the house.

The best pyrolysis solid fuel boilers

Buderus Logano S171

The lineup

Floor-standing pyrolysis boilers of German production Buderus Logano S171 are available in four modifications with a capacity of 20, 30, 40 and 50 kW. They work automatically and do not require constant human supervision. Their performance is enough to heat low-rise buildings of various sizes. Equipment efficiency reaches 87%. For normal operation, a 220-volt electrical connection is required. Electricity consumption does not exceed 80 watts. The unit is reliable and easy to operate. Manufacturer's warranty 2 years.

Watch product video

Design features

The boiler has a spacious open-type combustion chamber with a two-stage air supply scheme. Exhaust gases are removed through a chimney with a diameter of 180 mm. Wide doors facilitate the process of loading fuel and revision of internal devices. The design pressure in the heating circuit is 3 bar. The temperature of the heat carrier is 55-85o C. Protection against overheating is provided.

Fuel used. The main source of energy is dry firewood up to 50 cm long. The burning time of one bookmark is 3 hours.

Ecosystem ProBurn Lambda

The lineup

Bulgarian single-circuit pyrolysis boilers are available in two versions with a capacity of 25 and 30 kW. Their performance is sufficient to heat a medium-sized private house.The automatic control system requires a connection to a standard electrical network.

The unit is designed to heat the circulating water up to 90 ° C. The maximum pressure in the circuit is 3 atmospheres. There is protection against overheating of the coolant. The boiler is easy to maintain and highly efficient. A 12 month warranty is provided.

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Design features

There is a branch pipe with a diameter of 150 mm for connecting the chimney and fittings 1 ½” for the circulation circuit. In the exit zone of the flue gas furnace, a probe is installed that measures the oxygen concentration. It gives control signals to the damper that regulates the air supply.

Fuel used. Regular wood is used as fuel.

Atmos DC 18S, 22S, 25S, 32S, 50S, 70S

The lineup

The range of elegant pyrolysis boilers of this brand includes a range of models with a capacity of 20 to 70 kW. They are designed for floor installation in residential, industrial and warehouse premises. The equipment is highly efficient and reliable. For the correct operation of the automatic control system, the unit requires power from the 220 volt network. The maximum power consumption is 50 W.

The system of intelligent regulation of the flow of air entering the combustion chamber ensures the efficiency of each model at the level of 91%.

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Design features

The devices are distinguished by spacious fireboxes of a special configuration, wide doors and a convenient control panel. The design of the heat exchanger is designed for a maximum pressure of 2.5 bar. Maximum heating of the coolant is 90 ° C. In case of overheating, a protective blocking is triggered.The flue gas outlet is adapted to connect chimneys of various diameters.

Fuel used. To load the furnace, firewood with a relative humidity of not more than 20% should be used.

Kiturami KRH-35A

The lineup

This Korean brand floor-standing boiler is designed for heating residential and industrial premises up to 280 sq.m. It has two heat exchange circuits for heating and domestic hot water. They are designed for working pressures of 2 and 3.5 bar respectively. For the correct operation of the equipment, it is necessary to connect to the electrical network.

This model has a remote control unit with a choice of several operating modes. Automation protects equipment from overheating and freezing of the coolant. Unit efficiency 91%.

Watch product video

Fuel used. The main difference of the presented brand is versatility. The boiler is able to work not only on solid, but also diesel fuel. When loading coal, its power reaches 35 kW. With the liquid fuel version, it is reduced to 24.4 kW.

It's important to know

Only professionals can install the heating system

The safety and reliability of a gas-fired system is more important than perceived savings.
It is necessary to observe the maintenance of the gas boiler and chimney in a timely manner, if the instruction is bad, then you can find maintenance tips and a video demonstrating maintenance on the network.
It is important to choose not only the boiler that is optimal in terms of power, but to correctly arrange the chimney so that the entire system works efficiently and without failures, chimney problems reduce the efficiency of the heating system and the durability of the boiler.
Do not install a computer UPS on gas boilers.
If the water is hard, then be sure to equip the inlet to the house with a filter to soften the water, this will extend the life of the heat exchanger.
The manufacturer's warranty is valid only if several requirements are met: the first commissioning by the specialists of the service center, the provision of the UPS boiler, repair only by licensed craftsmen.

TOP-5 non-volatile gas boilers

Non-volatile boilers are a good choice for working in remote villages or regions with overloaded and dilapidated electrical networks. They continue to work during a sudden power outage, do not require high costs for repair or replacement of failed components. Consider the most popular models:

Lemax Patriot-12.5 12.5 kW

Single-circuit parapet gas boiler. Equipped with openings in the body that allow heated air to escape.

This makes the boiler itself similar to a convector heating the room without the need for radiators. The boiler power is 12.5 kW, which is suitable for rooms of 125 square meters. m.

Its parameters are:

• type of installation - floor;
• power consumption - independent;
• Efficiency - 87%;
• gas consumption - 0.75 m3/hour;
• dimensions - 595x740x360 mm;
• weight - 50 kg.

Advantages:

• simplicity of design, reliability;
• low fuel consumption;
• easy control;
• low price.

Flaws:

• there is no complete information about the state of the units of the unit. There is only a manometer. indicating gas pressure;
• a traditional chimney must be installed.

Domestic boilers are optimal for Russian climatic and technological conditions. They are unpretentious and reliable, do not require expensive repairs or maintenance.

Lemax Leader-25 25 kW

Convection gas boiler with a power of 25 kW. It is intended for work in rooms up to 250 sq.m. The unit is single-circuit, with a cast-iron heat exchanger and mechanical control.

Its parameters are:

• type of installation - floor;
• power consumption - independent;
• Efficiency - 90%;
• gas consumption - 1.5 m3 / hour;
• dimensions - 515x856x515 mm;
• weight - 115 kg.

Advantages:

• strength, reliability of the structure;
• stability, smooth operation;
• Italian accessories.

Flaws:

• large weight and size;
• some users find the ignition procedure unnecessarily complicated.

Boilers with a cast-iron heat exchanger are characterized by an even mode of operation, the absence of sudden temperature fluctuations.

Lemax Leader-35 35 kW

Another domestic boiler designed for large rooms. With a power of 35 kW, it is able to heat an area of ​​up to 350 square meters, which is suitable for a large house or public space.

Boiler parameters:

• type of installation - floor;
• power consumption - independent;
• Efficiency - 90%;
• gas consumption - 4 m3/hour;
• dimensions - 600x856x520 mm;
• weight - 140 kg.

Advantages:

• high power, the ability to heat a large room;
• stable and efficient work;
• double-circuit boiler, gives heat and hot water at the same time.

Flaws:

• large size and weight, requiring a separate room;
• gas consumption is quite high.

High power boilers are often used to heat several apartments or houses. This reduces the financial burden on homeowners, as the fuel bill is shared equally among all.

MORA-TOP SA 20 G 15 kW

Gas convection boiler made by Czech engineers. The power of the unit is 15 kW, suitable for work in a house up to 150 sq.m.

Main parameters:

• type of installation - floor;
• power consumption - independent;
• Efficiency - 92%;
• gas consumption - 1.6 m3/hour;
• dimensions - 365x845x525 mm;
• weight - 99 kg.

Advantages:

• independence from the supply of electricity;
• work stability;
• power is suitable for most medium-sized private houses.

Flaws:

• an atmospheric type burner needs a normal chimney and does not allow drafts in the room;
• relatively high price.

Compared to Russian counterparts, European boilers are noticeably more expensive. Users note excessive high cost, as well as interruptions in the supply of spare parts.

Siberia 11 11.6 kW

Domestic single-circuit gas boiler. Suitable for small rooms up to 125 sq.m. This is due to the boiler power of 11.6 kW.

Specifications:

• type of installation - floor;
• power consumption - independent;
• Efficiency - 90%;
• gas consumption - 1.18 m3 / hour;
• dimensions - 280x850x560 mm;
• weight - 52 kg.

Advantages:

• stable work;
• unpretentious, economical boiler. Fuel consumption is noticeably lower than that of analogues from other manufacturers;
• ease of management and maintenance;
• relatively low price.

Flaws:

• the declared indicators are not always achieved, the boiler power is sometimes not enough;
• difficult and inconvenient ignition.

Non-volatile boilers are optimal in Russian conditions. In cold weather, it is too dangerous to remain without heating, so the independence of boilers is highly valued by users.

3 Navien DELUXE 24K

Gas boiler Navien DELUXE 24K is maximum comfort at minimum cost. A double-circuit thermal energy generator is used for sequential heating of rooms with a total area of ​​​​up to 240 sq.m and for meeting household and household needs in hot water with a capacity of up to 13.8 l / min at t 35 ° C.A distinctive feature of the heater in the material of the primary heat exchanger is stainless steel. This fact slightly reduces the efficiency of the unit to 90.5%, but prolongs its durability due to the reliability of high-alloy steel.

Comfortable use of the water heating installation is ensured by a convenient display and visibility of control and measuring instruments, an adapted room regulator with a remote control panel. The ease with which operational intervention in the cyclic operation of the boiler is carried out can significantly reduce the consumption of blue fuel during operation.

The reviews note the stable operation of the electronic circuit under conditions of periodic voltage fluctuations in the supply network, which are +/-30% of 230 V. The uninterrupted functionality is due to the presence of the SMPS (Switched-Mode Power Supply) protective chip, which complements the microprocessor. The combustion process in a closed chamber takes place without harmful failures and stops, which positively affects the life of the equipment, excluding breakdowns.

What is the best heating boiler? Table of advantages and disadvantages of four types of boilers: gas convection, gas condensing, solid fuel and electric.

Type of heating boiler	pros	Minuses
gas convection	+ Affordable price + Easy to install and repair + Compact dimensions + Attractive design (especially wall models) + Profitability (gas is one of the cheapest energy resources)	- It is necessary to coordinate the installation with the Gaztekhnadzor service - A chimney is required to remove exhaust gases - When the gas pressure in the system decreases, the boiler may begin to smoke - Requires the installation of automatic monitoring of gas leakage
gas condensing	+ Increased efficiency (20% more economical than a convection boiler) + High efficiency + all the advantages of a gas convection boiler (see above)	- High price - Complete dependence on electricity + all the disadvantages of a gas convection boiler (see above)
solid fuel	+ Autonomy (can be installed where there are no engineering networks) + Reliability (long service life) + Low boiler cost + Profitability (may be lower than gas costs) + Variability (at the discretion of the user, coal, peat, pellets, firewood, etc. can be used)	- Maintenance (cheap models can give soot, soot). Frequent cleaning required — Additional space is needed to store the fuel source - Manual fuel loading - low efficiency - Sometimes it is necessary to install forced draft to exit combustion products
Electric	+ Easy installation + Environmentally friendly + Silent operation + No chimney required (no combustion products) + Full autonomy + High manufacturability + High efficiency (up to 98%)	– The most expensive type of heating (consumes a lot of electricity) - Requires high-quality electrical wiring (may be problems with installation in old houses)