The best non-volatile gas boiler for heating a private house: TOP-10 models + recommendations for choosing

A place

Product

Rating

Power

Combustion chamber material

Price

Closed-chamber models

Open chamber models

#1

Lemax Patriot-12.5

High performance and flawless functionality

The leader is the "Patriot" series boiler produced by Lemax, which works with both natural and forced heating systems. The design is smokeless, so installation is possible not only in a cottage or country house, but also in a city apartment. The intake of combustion air and the removal of combustion products are carried out through a coaxial chimney mounted in the wall near the unit.

The heat exchanger is made of 2 mm high quality steel that meets the requirements of GOST, the top is covered with a non-corrosive enamel that protects the metal from mineral oils and solutions salts. The gas valve and microflame burner are original Italian-made parts.

The front panel is perforated to create a convection effect. Safety is enhanced by the built-in gas control system and overheating protection. The efficiency is 87%, the warranty period is 3 years.

Specifications:

• type - convection;
• contours - one;
• Max. power - 12.5 kW;
• gas consumption - 0.75 m³ / h;
• pressure - 13 mbar;
• control - mechanical;
• installation - parapet;
• dimensions (w / h / d) - 595/740/360 mm;
• weight - 50 kg.

Thanks to the removable casing, maintenance of the unit is quick and easy, and the operation of both burners, pilot and main, can be monitored through the inspection window. The efficiency is 87%, the warranty period is 3 years.

#2

TERMOMAX Termomax-C 10E

Compact unit with simple controls

In second place is a Ukrainian-made product, a single-circuit boiler Termomax of the "C" series, which has won positive reviews for its reliable assembly and simple operation. Even a user who is far from technology can handle the maintenance of the unit. The model is ready for installation in a private house or apartment; installation of a coaxial chimney is required for operation.

The boiler does an excellent job with heating the coolant, the temperature settings are adjustable within the range of 50-90 ° C. If you plan to install the unit in a system with high hydraulic resistance, it is recommended circulating pump connection.

The pilot burner is started by piezo ignition, the protection system protects against emergencies.

Specifications:

• type - convection;
• contours - one;
• Max. power - 10 kW;
• gas consumption - 1.12 m³ / h;
• pressure - 12.74 mbar;
• control - mechanical;
• installation - parapet;
• dimensions (w / h / d) - 475/690/335 mm;
• weight - 43.8 kg.

As a preventive measure, it is recommended to clean it 1-2 times a year. A control unit with a piezo ignition switch, a thermo / manometer and a regulating knob is located on the front panel. The efficiency is 90%, the warranty period is 3 years.

#3

ATON Compact 16E

Reliable model with smart build

The floor-standing model of the Ukrainian brand ATON hit the third line of the rating due to a successful combination of technical characteristics and a user-friendly design. The boiler has enough capacity to heat a 160 m² room, that is, it is suitable for a large cottage or multi-room apartment.

The manufacturer recommends installing the unit against an external wall to facilitate installation. coaxial chimneynecessary to ensure the combustion process. In the room, you also need to create optimal conditions for the operation of the boiler and its maintenance, that is, to establish natural air circulation.

Despite the word “Compact” in the name of the model, it looks bulky in comparison with analogues of other brands. But, unlike the others, it has a shallow depth.

Specifications:

• type - convection;
• contours - one;
• Max. power - 16 kW;
• gas consumption - 1.8 m³ / h;
• pressure - 1.5 bar;
• control - mechanical;
• installation - parapet;
• dimensions (w / h / d) - 740/700/275 mm;
• weight - 61 kg.

As coolant it is recommended to use purified water without mineral substances, such as lime, and to install filters. Distilled water or melted water will do. The efficiency is 90%, the warranty period is 1 year.

#4

Lemax Patriot-10

Efficient heating equipment for a standard cottage

The second Lemax model, included in the rating of the best boilers with ZKS. It is less powerful than the previous one - only 10 kW, but is not inferior in terms of efficiency. Recommended for installation in small cottages, summer cottages, city apartments.

Fuel consumption is economical - only 0.6 m³ / h. Management is done manually. There is a thermal indicator on the front panel. The unit is turned on by simultaneously turning the control knob and pressing the piezo ignition button. The maximum heating temperature is 80 ° C.

If there is a large hydraulic resistance, the manufacturer advises to include in the installation diagram circulation pump, expansion tank, drain and safety valves.

Specifications:

• type - convection;
• contours - one;
• Max. power - 10 kW;
• gas consumption - 0.6 m³ / h;
• pressure - 13 mbar;
• control - mechanical;
• installation - parapet;
• dimensions (w / h / d) - 595/740/360 mm;
• weight - 50 kg.

To clean the elements involved in the combustion process, it is enough to remove the lining. Control over the operation and condition of the burners is carried out through the viewing windows. The efficiency is 87%, the warranty period is 3 years.

#5

Lemax Patriot-20

Economical gas consumption with excellent boiler functionality

Functioning at the highest level

The three leaders with a closed combustion chamber are finished by the third Lemax Patriot model, which is distinguished by a power of 20 kW. It is intended for equipping heating systems of large private houses. The installation method and the principle of smoke removal are the same as for all units of this brand.

The boiler is more bulky than its low-power counterparts, and this must be taken into account during installation. It is recommended to strengthen the base for installation, since the weight of the equipment is 67 kg, and to finish the adjacent wall with non-combustible materials. It is best to cover the surrounding surfaces with metal sheets.

Like other equipment of the Lemax Patriot series, the boiler is equipped with an injection-type POLIDORO burner and an Italian-made SIT gas valve.

Specifications:

• type - convection;
• contours - one;
• Max. power - 20 kW;
• gas consumption - 1.2 m³ / h;
• pressure - 13 mbar;
• control - mechanical;
• installation - parapet;
• dimensions (w / h / d) - 670/790/400 mm;
• weight - 67 kg.

The unit does not require constant monitoring. Maintenance is carried out with the cover removed; it is convenient to control the burners through special windows. The efficiency is 87%, the warranty period is 3 years.

#1

Lemax Leader-16

Possibility to connect bottled gas

The first place in the TOP-5 boilers with an open combustion chamber is taken by the Leader model with a capacity of 16 kW, all by the same manufacturer Lemax. In the top five, 4 out of 5 units belong to this popular brand in Russia. The boiler is designed to heat an area of ​​160 m², that is, it is suitable for heating 1- and 2-storey cottages.

A distinctive feature of the Leader boilers is a Czech-made cast iron heat exchanger. High quality 4mm gray cast iron assemblies manufactured by VIADRUS ensure maximum heat dissipation and anti-corrosion properties.

The unit is provided with overheating protection and a gas control is installed that blocks the fuel supply when the fire is extinguished. A thermometer allows you to control the temperature of the liquid in the circuit, and a pressure gauge monitors the pressure.

Specifications:

• type - convection;
• contours - one;
• Max. power - 16 kW;
• gas consumption - 1.9 m³ / h;
• pressure - 13 mbar;
• control - mechanical;
• installation - floor;
• dimensions (w / h / d) - 431/856/515 mm;
• weight - 95 kg.

Permanent monitoring of the unit is not required. It is possible to switch from natural gas to liquefied gas, if there is no chance to connect to a common main. The efficiency is 90%, the warranty period is 3 years.

#2

Lemax Premium-20

Powerful boiler assembled in Russia plus Italian spare parts

The model has a lot of positive reviews from users who like literally everything - from an understandable, intelligently assembled design to efficient heating and excellent technical data. Single-circuit model, designed only for space heating. If hot water is also needed, we recommend considering double-circuit gas boilers.

The maximum area that can be heated with a 20 kW boiler is 200 m² - this is a large cottage or industrial area. A powerful unit requires more fuel - 2.4 m³ / h, nevertheless, it belongs to economical models.

Thanks to the cylindrical heat exchanger, the equipment copes with work in closed heating systems, the pressure in which reaches 3 atm.

Specifications:

• type - convection;
• contours - one;
• Max. power - 20 kW;
• gas consumption - 2.4 m³ / h;
• pressure - 13 mbar;
• control - mechanical;
• installation - floor;
• dimensions (w / h / d) - 556/961/470 mm;
• weight - 78 kg.

Maintenance of all boiler elements is carried out manually, after removing the lining beforehand. The gas burner and safety elements are made in Italy. The efficiency is 90%, the warranty period is 3 years.

#3

Protherm Wolf 16 KSO

Compact budget option for a country house

A relatively small in size model of medium power for the equipment of heating systems for country houses, as well as non-residential premises for various purposes. Good solution for autonomous networks connected to natural gas. Equipped with a single-stage injection burner. Not suitable for other fuels such as propane.

Thanks to the pressure and temperature indicator, it is easy to control the heating process and make adjustments in time. Like other boilers, protection against overheating and flame damping is provided. The steel heat exchanger has good thermal conductivity and heats water quickly.

The dimensions are compact, the design is minimalist. Due to its small width and depth, the unit is much easier to install than more bulky and powerful models.

Specifications:

• type - convection;
• contours - one;
• Max. power - 16 kW;
• gas consumption - 1.9 m³ / h;
• pressure - 13 mbar;
• control - mechanical;
• installation - floor;
• dimensions (w / h / d) - 390/745/460 mm;
• weight - 46.5 kg.

Caring for the boiler is not difficult: you need to clean the burner in time and carry out a preventive inspection of the automatic units. The efficiency is 92.5%, the warranty period is 2 years.

#4

Lemax Leader-35

Maximum power and high performance

Another "cast iron" model of Russian production, the most powerful of the Leader brand units presented in the rating. Suitable for open and closed heating systems. A heat exchanger with 4 mm walls, made of gray cast iron, retains heat well, but significantly increases the weight of the unit.

The Italian burners and the security system work flawlessly, which is confirmed by the employees of the service centers. If boilers from the Leader series are repaired, it is mainly through the fault of the users - due to operating errors.

Not the largest dimensions of the unit are deceiving - it weighs more than other models. This must be taken into account during transport and installation. The efficiency is 90%, the warranty period is 3 years.

Specifications:

• type - convection;
• contours - one;
• Max. power - 35 kW;
• gas consumption - 4 m³ / h;
• pressure - 13 mbar;
• control - mechanical;
• installation - floor;
• dimensions (w / h / d) - 600/856/520 mm;
• weight - 140 kg.

The unit is designed for heating systems serving areas up to 350 m². For standard country houses, these are too powerful boilers, but we recommend that owners of large 2-storey cottages consider this option.

#5

Lemax Leader-25

Robust model with cast iron heat exchanger

Another model from the Leader series, but with a capacity of 25 kW, closes the five units with OKZ. By design and functions, it completely repeats the previous boiler, but differs only in technical characteristics: power, fuel consumption, dimensions, weight. Suitable for heating an area of ​​240 m².

The main advantages still include a cast-iron heat exchanger with walls 4 mm thick, well-thought-out assembly, and automation that works on time. Italian parts fail in rare cases; in general, the system with the boiler works smoothly, almost flawlessly.

Specifications:

• type - convection;
• contours - one;
• Max. power - 25 kW;
• gas consumption - 3 m³ / h;
• pressure - 13 mbar;
• control - mechanical;
• installation - floor;
• dimensions (w / h / d) - 515/856/515 mm;
• weight - 115 kg.

This 25kW model is quite compact for its power, but it weighs a lot. For installation, you need to provide a stable and level base. The efficiency is 90%, the warranty period is 3 years.