The operation of a wood-burning boiler on gas fuel (natural gas) worries craftsmen. The combination of wood and natural gas adds comfort and economy of operation of heating systems. I will say right away that the issue of transferring a wood-burning boiler to gas fuel is not disclosed in this article because of its harmfulness and danger. But, combining firewood and gas is possible and necessary. It is really comfortable and economical.
- The combination of two separate boilers "gas" and "firewood" in heating system
Wood burning gas boiler
Technically (correctly and safely) it is impossible to improve a wood-burning heating unit to the state of "omnivorous" (gas and firewood). Gas is an explosive poisonous fuel, the free handling of which leads to sad consequences. You can not ignore the rules for the operation of gas equipment.
Fantasies of folk craftsmen for gas heating are limited by the word "forbidden". Legislators, manufacturers, designers and operators all play it safe on the topic of safety. Climbing over the OFFICIAL GAS "PROHIBITED" is almost impossible.
Officially, to transfer a wood-burning boiler to gas fuel, a project is required that is agreed with the relevant local control services - gas, fire, municipal, etc. Installation with subsequent commissioning of heating equipment takes place in accordance with current legislation. Per in simple terms there is a deep engineering problem.
Already at the initial stage of the transfer of a wood-burning boiler to gas fuel, the whole idea is broken by the inconsistency in the designs of the combustion chambers and ventilation systems of wood-burning and gas heating equipment. Wood and gas fuels are in different states of aggregation, they have different specific calorific value, therefore it requires completely different modes of ventilation of the combustion chamber and, most importantly, different sizes of this very chamber.
A gas boiler is a complex product. The body of the gas boiler is calculated and tested for years. Its dimensions are determined established norms and rules for the combustion of gaseous fuels. Height, width, distance of the torch to the bottom and to the roof, tightness of the combustion chamber, turbulence of gas flows, quality of ventilation, coordination of operation of automation units, etc. - all parameters are verified by the manufacturer, who is fully responsible for the safety of his offspring. There are not so many manufacturers of gas boilers.
wood boilers"rivet" all and sundry. No responsibility. If only the wood burning would warm and burn. Unlike a gas boiler, the design of a wood-burning boiler is not limited by anything, except for one thing - the desire to “squeeze” more heat out of the wood. The body of the wood boiler has additional devices, creating turbulence and slowing down the speed of movement of gaseous products of combustion. Simply put, in a wood-burning boiler, gas flows are decelerated in order to increase the efficiency of the wood-burning boiler as a whole. What, in relation to the rules for the operation of gas heating equipment - is strictly prohibited! All gas boilers work only on direct traction! Any devices that slow down the ventilation rate of the furnace (combustion chamber) of the gas boiler are prohibited. Any tubular heat exchangers, turbulators, dampers, additional ventilation "pockets" and so on are prohibited for gas heating equipment.
And now let's try to mentally put a gas burner into a wood-burning boiler and remember that a wood-burning boiler has a much larger combustion chamber (furnace), because it is focused on firewood. What will it give in combination in not enough effective ventilation? Correctly. Excess combustion products in the boiler body. And if we add here the presence of a loading door and other holes through which this excess of combustion products can enter a heated room (furnace), it becomes quite clear why not a single controller will give permission to operate such a monster.
P.S. There are many things that make converting a wood-burning boiler to gas extremely unprofitable. But, most importantly, this is an unjustified risk of exploiting a converted heating unit. At the official level, the conversion of a wood-burning boiler to gas fuel will never be encouraged. Heat engineers, officially, do not convert wood-burning boilers to gas burners. Because they know - all fiscal services (fire, gas, and utilities) - will always fight with modified and home-made gas heating equipment.
As for self-building and independent (illegal) transfer of a wood-burning boiler to gas fuel, then everyone will disown such a “kulibin” at once. A person trying to independently transfer a wood-burning boiler, stove or stove to gas heating- violates a whole bunch of laws and exposes his safety and the safety of those around him to unjustified risk.
Combined boilers "gas-firewood"
From the point of view of the development of modern technology, combined gas-firewood boilers have the right to life. Combined boilers"gas-firewood" existed even under the "Union". But, Soviet combined gas-firewood boilers have always worked on separate power supply - either gas or firewood (solid fuel). And to do both at once - this is a clear know-how. In the modern electronic world, it is not difficult to implement any technical idea. Here, only - the benefit is small. In the performance of modern amateurs, combined gas-firewood boilers are either not safe, or too expensive, or inconvenient and cumbersome to operate.
The combination of separate boilers "gas" and "firewood"
The combination of two separate boilers "gas" and "firewood" in one heating system - best option. If the boilers are in different furnace rooms, then this is generally ideal.
Alternative Heating:
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Solid fuel boilers - alternative way heating of private houses. Electrical Models consume a lot of electricity, so the effectiveness of their use (especially over large areas) is very doubtful. Gas boilers are more justified in this regard, however, they require an appropriate type of fuel to be supplied to the house, which is not always possible. It is in such cases that it is very difficult to overestimate the benefits of stoves, the combustible material for which is firewood, coal and other solid elements.
The current realities of the market are such that hundreds, if not thousands, of models of heating boilers for every taste are presented to the potential consumer: long burning and pellet, classic and pyrolysis. It's only natural to do a good choice in such a situation is very, very difficult. To simplify things a little, we have prepared for you a rating of the 18 best solid fuel heating boilers in six different categories.
The best solid fuel boilers for long burning
The advantage of long-term heating boilers over others is clear from the name: the duration of burning solid fuel in them when the furnace is fully loaded is two to three days, and in other cases (depending on the type of fuel) it reaches five or even twelve days. At the same time, a volume of thermal energy is released on a constant basis, sufficient to heat the entire provided area. They are economical, but have low efficiency and cause a lot of trouble in maintenance.
3 NMK Magnum KDG 20 TE
Profitable price
Country Russia
Average price: 48,000 rubles.
Rating (2019): 4.8
A typical representative of long-burning boilers from a Russian manufacturer, which was created specifically for the climatic conditions of our vast country. Unlike many other contenders (according to manufacturers' recommendations), it only accepts coal for heating, which burns out within five days with an efficiency of around 75-80 percent. This is not much, but when heating with other fuels, such as wood, the situation looks much more sad. Users' feelings from the operation of this boiler are generally positive: the design is serviceable, unpretentious in maintenance, and in terms of power in general - " golden mean". Very pleased, albeit primitive, but the existing fuel combustion control system.
Advantages:
- product domestic production, which explains the favorable cost;
- good workmanship;
- the presence of a heating control system (the connection between the control links is carried out by a chain).
Flaws:
- the need to observe a strictly defined position of the air damper (with a gap of five millimeters) for correct operation boiler.
2 Stropuva Mini S8
The optimum ratio of price and quality. User Choice
Country: Lithuania
Average price: 56,500 rubles.
Rating (2019): 4.8
Lithuanian heating boiler, highly rated by users. In fact, the manufacturing company Stropuva continues and naturally reaps the benefits of a system built during the Soviet Union. The Mini S8 boiler is compact, made in the form of a “barrel”, however, it is very difficult to move, and therefore there are some installation problems. Its efficiency is connected, first of all, with the type - the long burning of one bookmark of coal is capable of producing heat for two to five days. There are no complaints about the quality either - everything is done reliably, neatly (which is not so important in boilers) and causes some semblance of true admiration. But there is still one miscalculation - pebbled lining is practically impossible to remove soot, which most often forms above the firebox door.
Advantages:
- very high quality performance;
- efficiency in space heating - one stack of firewood is enough for 12-20 hours of burning; coal - up to five days;
- good balance of value for money;
- the ability to connect additional circuits, heating elements, and other systems.
Flaws:
- beautiful, but impractical shagreen coating;
- difficulty in moving due to the large weight of the "mini-model".
To complete the picture and clarify what pros and cons this or that type of solid fuel boilers has, let's turn to the comparison table:
|
Boiler type |
pros |
Minuses |
|
Classical |
Extremely simple and reliable technology Low, relative to other types, price You can use any accessible view fuel |
– Low efficiency – Impossibility fine adjustment coolant temperature – High sensitivity to the humidity of combustible materials |
|
long burning |
When loaded with coal, the boiler can work up to five days On wood fuel, the operating time is two days Complete energy independence |
– Lack of water temperature controllers in the system – Increased requirements for fuel quality – Typically very low efficiency |
|
Pyrolysis |
High efficiency Ability to adjust processes Long intervals between laying combustible materials (up to 12 days) High reliability and workmanship |
– Electrical connection required – Without lining, the combustion chamber is very sensitive to raw fuel - If the level of lining is inadequate, the walls of the chamber burn out, and the boiler fails |
|
pellet |
High efficiency Complete process control through electronic control |
– High cost and large dimensions of boilers – High cost and scarcity of fuel – Power connection required |
1 Buderus Logano G221-25
Best quality
Country: Germany
Average price: 154580 rubles.
Rating (2019): 4.9
German boilers from Buderus are the standard of quality and efficiency for heating spacious rooms. Despite the Eastern European production, they easily endure the difficult conditions of the harsh Russian winter, have a fairly high level of efficiency (85 percent), and also do not require a large number fuel. If a circulation pressure not enough coolant Buderus Logano G221-25, you can easily “pick up” the pump, which is what smart users resort to. Heating occurs very quickly, and cleaning of a fire chamber does not cause any difficulties. Thus, 20-kilowatt models are capable of heating a room up to 200 square meters. And what a 25-kilowatt boiler is capable of - judge for yourself.
Advantages:
- voluminous firebox - holds logs up to 68 centimeters long;
- nice design;
- excellent workmanship and impeccable design reliability;
- high energy efficiency;
- low maintenance and easy to install.
Flaws:
- high price.
The best inexpensive solid fuel classic boilers
Classic heating boilers- devices are by no means rare in use. They are successfully used by people for heating private houses or for installation in houses on suburban area. By the way, inexpensive models are ideal for the second than for the first option. They are by no means bad, but their performance is very often overstated, which leads users to be frustrated after the first attempts to use.
3 EVAN WARMOS TT-18
High power rating
Country Russia
Average price: 32850 rubles.
Rating (2019): 4.4
Solid fuel boiler of Russian origin. Not bad to become a source of heat for country house, but doubtful for use in a private environment. His whole trouble lies in the overestimated characteristics - a rated power of 18 kilowatts is designed for heating areas up to 120 square meters, but the effect of heat transfer is practically not felt. The real and most effective heating threshold is no more than 60 square meters. solid fuel, with optimal regulation of the dampers, it burns out in 60-90 minutes, after which the boiler cools down quickly and, if this moment is missed, it requires re-ignition. And you can’t forget about the functions of the stoker either. The result is logical: the model is rather “capricious”, but if you wish, you can always find a compromise that suits both sides.
Advantages:
- very simple installation of the boiler;
- acceptable case quality;
- able to work on wood, coal and peat.
Flaws:
- overestimated data on heated areas;
- the need to select the optimal position of the damper in order to prevent excessive fuel consumption or obstruction of normal combustion.
2 ZOTA Dymok-M AOTV-12M
Optimal balance of performance
Country Russia
Average price: 18,870 rubles.
Rating (2019): 4.6
An ideal model for installation in a summer cottage. Small, but with a decent power potential; unsightly, but overlapping it with its original functionality. 12 kilowatts of thermal power released during the complete combustion of combustible material is enough to heat 80 square meters of area. Even 70% efficiency does not spoil the overall impression of the work. This version of the furnace is combined, therefore it can be used for heating and electrical element(TEN). In the upper part of the case there is a hob - a nice addition to the main function and acceptable characteristics.
Advantages:
- Availability hob as a nice addition;
- efficient heating of the area declared by the manufacturers;
- the possibility of connecting a thermal electric heater;
- heating of the coolant is carried out to a temperature of 95 degrees Celsius.
Flaws:
- mediocre appearance;
- slightly overpriced.
1 Lemax Forward-16
Best price
Country Russia
Average price: 16500 rubles.
Rating (2019): 4.8
16 kilowatts of power of the Lemax Forward-16 boiler is enough for heating premises of the administrative and domestic levels, private residential buildings and even cottages, by independent or forced (with the installation of a pump) circulation of the coolant through the heating water system. This is one of the most good examples small, but productive installations with an uncharacteristically high (about 75-80 percent) level of efficiency. The uncomplicated design contains the solution to many operational problems. From the point of view of the technologist, such measures as, for example, "tamping" the heat exchanger with channels to increase the ultimate tensile strength, look redundant, but justify themselves in terms of durability of use. Such a boiler can last a good seven to nine years, provided that all measures of proper operation are observed without exception.
Advantages:
- the presence of additional elements that positively affect the durability of the installation;
- optimal cost with acceptable quality;
- sufficiently high (atypical) level of efficiency;
- the ability to connect a pump to increase the circulation rate of the coolant;
- the possibility of converting the boiler to work with gas (carried out by installing a gas burner).
Flaws:
Boilers classic premium class solid fuel boilers
More expensive classic boilers are installations of a completely different level. Unlike their budget "brothers", they have a higher percentage of efficiency, power, and overall reliability indicators (not always, but usually). The disadvantages of inexpensive classics, expressed in the deliberate overestimation of characteristics, are absent here, however, the typical disadvantages of classical systems are fully manifested.
3 Kentatsu ELEGANT-03
Optimal cost
Country: Japan
Average price: 35990 rubles.
Rating (2019): 4.8
Kentatsu ELEGANT-03 is a modified model heating boiler, which took into account all the nuances and errors of previous installations. It is authentically known that those, in turn, did not have effective cooling and allowed the boiler to overheat. In this version, the grate water cooler has become such, and, as practice shows, it copes with the assigned task flawlessly. A thermometer is located on the front wall of the cast-iron housing, showing the actual temperature of the water coolant. A controversial step towards ensuring ergonomics was the breakdown of the boiler into sections. On the one hand, increased effective area inside the model, but on the other hand, this negatively affects the terms of service.
Advantages:
- the model took into account the mistakes of the past, including those with active cooling;
- availability of equipment for self-service;
- low price;
- high quality and durability of the cast-iron body;
- the presence of a thermometer on the front wall.
Flaws:
- the breakdown of the boiler into sections complicates the process of repair and maintenance in the event of a breakdown.
2 Bosch Solid 2000 B SFU 12
The optimum ratio of price and quality. Choice of Experts
Country: Germany
Average price: 51977 rubles.
Rating (2019): 4.9
Bosch products confidently rank high in all areas of the manufacturer's activities, and a similar trend is also observed in the boiler segment. Bosch Solid 2000 B SFU 12 is a low-power (for elite installations) version of the boiler, which is very fond of users for its good heating capacity. The main "trick" of the model lies in the functionality of use: it can be leading or combined with a gas boiler to increase the efficiency of space heating. So, one of the users successfully used the installation for heating a small workshop, and, as practice has shown, there were no problems with handling. The heat from one load was kept in the system for three to four hours, which indicates the unequivocal expediency of the installation.
Advantages:
- high quality of both the body and the internal structure;
- acceptable efficiency (84-85 percent);
- positive user reviews;
- ease of maintenance;
- possibility of combination with gas boilers.
Flaws:
- low rated power (13.5 kW).
1 Protherm Beaver 50 DLO
The best efficiency indicator (90.2%). High boiler power (39 kW)
Country: Slovakia
Average price: 109500 rubles.
Rating (2019): 5.0
Protherm Bober 50 DLO is a real monster among the elite, a product of Slovak production, which will definitely appeal to everyone who wants to have a high-performance heating boiler.
The Slovaks did not come up with anything new to preserve useful thermal energy. Based on well-known physical laws, facts and practice, they simply stuffed heat-insulating glass wool under the cast-iron body, thereby reducing heat loss. Thereby a simple step Efficiency soared to crazy 90 percent. By updating standard form heat sinks, they were able to increase the volume of the combustion chamber. Thus, with one download, you can catch up completely comfortable temperature in a room up to 350 square meters. This is largely facilitated by the rated power of 39 kilowatts.
Advantages:
- high technical characteristics;
- appropriate build quality;
- large heated area;
- low heat losses due to the presence of insulating material;
- the presence of an air regulator;
- availability of service tools.
Flaws:
- not detected.
The best solid fuel pyrolysis boilers
The action of pyrolysis, or gas-generating, boilers is based on the combustion of wood gas released from smoldering firewood under the influence of temperature. When passing through the nozzle, the gas burns out, which contributes to the formation of a small amount of ash and soot. The efficiency of such boilers reaches 85 percent. The burning time of one load is from 5 to 12 hours. The disadvantages include high price and special requirements for fuel - only dry firewood is needed for heating.
3 Wirbel BIO-TEC 35
High level of efficiency (91%)
Country: Austria
Average price: 370216 rubles.
Rating (2019): 4.8
Austrian boiler, able to maintain a comfortable temperature throughout the day. It all depends on the chosen power: in the nominal mode, the burning of firewood and briquettes is no more than four hours. As the rate decreases, the speed complete combustion bookmarks is downgraded. According to experts, an important difference between this model and domestic ones lies in the actual pyrolysis process, as opposed to ordinary afterburning. Perhaps the only drawback of the boiler is the need for a permanent connection to the CAS - a specialized heat storage tank. The supplied control panel is responsible for the functioning of the systems.
Advantages:
- the presence of a control panel - full automation of processes;
- after pyrolysis, the process of afterburning of exhaust gases takes place - complete fuel production;
- high power rating.
Flaws:
- failure of the control panel deprives the user of the possibility of manipulating processes;
- very high cost.
2 Bourgeois-K STANDARD-20
Affordable price
Country Russia
Average price: 55470 rubles.
Rating (2019): 4.8
The heating power of the boilers of the Bourgeois-K series has been repeatedly called into question - they say, a value of 20 kilowatts does not mean absolutely anything, since it does not heat the declared area of 200 square meters. Some of the users take the side of the manufacturers, someone claims to be incapable. Nevertheless, endless disputes have formed a good stir around model range, so the technician does not experience a lack of attention. The burning time of one bookmark in it is about ten hours. In terms of price, this boiler is noticeably inferior to "foreign" models, which is its main and irrefutable advantage.
Advantages:
- the cost is lower than that of competitors;
- high thermal power and corresponding heating capacity;
- bookmark burning duration;
- low fuel consumption.
Flaws:
- huge excitement around the possible discrepancy between the characteristics of the declared information.
1 Wattek PYROTEK 36
Best rated heat output (36 kW)
Country: Czech Republic
Average price: 171,900 rubles.
Rating (2019): 4.9
A pyrolysis boiler of a serious European level, created according to all current quality standards. Czech manufacturers have decided to release a line of installations with automatic control, which at the same time made life easier and more difficult for themselves and users. The fact is that “automation” is a delicate thing, and in some especially unfavorable cases (due to accidents) it can easily fail. Repair and adjustment of the control system on a boiler of this level is expensive, which often causes bewilderment and an angry reaction from people. Perhaps this is the only significant drawback of the system, because in other components it is almost perfect.
Advantages:
- the presence of an automatic control system for temperature and regime parameters;
- availability of emergency, boiler and boiler sensors;
- burning of the wood deposit is 12 hours, briquettes - 15-17 hours;
- high quality assembly materials;
- extended complete base.
Flaws:
- adjustment and repair automatic system control, in case of failure, will cost the consumer a pretty penny.
The best solid fuel pellet boilers
Pellet boilers are overall installations equipped with bunkers for granular wood waste. The dimensions of such granules are from 5 to 70 millimeters in length and from 6 to 10 millimeters in thickness. This is the longest way to heat a room. The duration of heating directly depends on the volume of the adjacent bunker, and can be 2-12 days. The main disadvantage of such boilers is scarce fuel. Granular pellets are not sold everywhere, so there is a high probability of equipment downtime.
3 ZOTA Pellet 100A
The optimum ratio of price and quality
Country Russia
Average price: 379,000 rubles.
Rating (2019): 4.9
One such boiler is more than enough to heat the whole building, where there is a water heating system with a pre-installed pump for forced circulation. Manipulation of all aspects of the system is reduced to an electronic control panel. This system is truly indestructible - unless, of course, the user has a reverse goal. The rated power of the boiler reaches 100 kilowatts, but it can be reduced by regulating the air supply. The supply of pellets to the furnace is regulated in the same way. The only and most significant drawback of the system is the excess weight of the structure. 829 kilograms - this is how much this unit weighs, which is not so easy to move even within the delivery task, not to mention the final installation.
Advantages:
- the price corresponds to the declared parameters;
- fuel is supplied to the combustion chamber by a screw mechanism;
- electronic control system controls all aspects functionality installations;
- high power rating.
Flaws:
- very heavy structure.
2 ACV TKAN 100
Optimal set of parameters in a lightweight package
Country: Belgium
Average price: 554,000 rubles.
Rating (2019): 4.9
Almost complete analogy of the lower model, ACV (ATsV) TKAN 100 is one of the best pellet boilers on the world market. The screw feed mechanism, the presence of an electronic control system, a rated power of 100 kilowatts - all this is not new. The main difference between the two models lies in the parameters of price and weight - ACV weighs only 595 kilograms (significantly less than the opponent), but costs one and a half times more. Nevertheless, based on the words of experts and those rare users who dealt with this boiler (mainly in large enterprises), we can conclude that its quality parameters are very high.
Advantages:
- not the largest weight of the structure;
- high level of efficiency (90%) and rated power;
- the presence of an electronic control system that provides full control over the ongoing processes;
- screw feeder.
Flaws:
- high price.
1 PELLUX COMPACT
The best compact model. highest level Efficiency (92%)
Country: Sweden
Average price: 220941 rubles.
Rating (2019): 5.0
Although not large, but the high-performance model of the PELLUX COMPACT pellet boiler boasts high value efficiency - as much as 92 percent at the optimum level of performance. All this and much more is the result of the vigorous activity of the Swedish company NIBE, which specializes in the production of solid fuel boilers. The installed burner makes it possible to obtain such an efficiency value, which has a positive effect on reducing the consumption of granular pellets while increasing the release of thermal power. Another clear advantage is the presence of a replacement grid in the combustion chamber, which allows you to turn a pellet boiler into a pyrolysis boiler by replacing pellets with dry logs.
Advantages:
- economical burner, which allowed to reduce fuel consumption and increase heat output;
- availability of automated electronic control;
- the ability, if necessary, to switch to another type of fuel - from pellets to firewood and vice versa;
- high level of efficiency;
- high build quality.
Flaws:
- no serious deficiencies were found.
The best double-circuit solid fuel boilers
Double-circuit boilers win over the models already considered in the sense that they are used not only for heating the house, but also for providing hot water. This is one of best solutions for private houses located in areas where it is impossible to connect gas and often there are power outages. Double-circuit solid fuel boilers are economical in operation and many models fully satisfy the needs of users in heat and hot water.
3 Bourgeois-K T-50A-2K
Possibility of heating large areas
Country Russia
Average price: 156520 rubles.
Rating (2019): 4.7
One of the most powerful solid fuel double-circuit pyrolysis boilers. Designed for heating large areas up to 500 m 2, can be used for heating cottages and industrial premises and provision of hot water supply. Due to the complete autonomy of the boiler, it can be used in places where electricity is not available. Firewood, wood processing waste and coal of any brand can be loaded into the firebox. Fuel consumption is very economical - the boiler works up to 10 hours on one tab. This produces a small amount of ash, so there is no need for frequent cleaning. The boiler is made from quality materials, has a long service life (about 15 years), which is confirmed by user reviews.
Advantages:
- heating of areas up to 500 m 2 ;
- reliability, safety and durability;
- ease of management and maintenance;
- work up to 10 hours on one tab;
- big choice fuel and its economical consumption.
Flaws:
- high price.
2 Kiturami KF-35A
Best efficiency and economy
Country: South Korea
Average price: 121770 rubles.
Rating (2019): 4.8
Pyrolysis solid fuel boiler is equipped with a second circuit to obtain hot water. Many users consider this model one of the best options for rural areas, small houses area up to 100 m2. The boiler has a high efficiency (85%) and economical consumption fuel through a heat exchanger with three stages of combustion. Additional Savings is achieved by turning off the boiler fan when the required temperature is reached.
It is allowed to unload up to 40 kg of firewood into the oversized combustion chamber at the same time, so constant monitoring of the boiler is not required. Wood briquettes can be used instead of firewood. Operational safety is also enhanced by the presence of overheating and water level sensors.
Advantages:
- electronic control, display;
- high efficiency;
- economical fuel consumption;
- stable temperature maintenance;
- operational safety;
- good feedback.
Flaws:
- can only be heated small areas up to 100 m 2.
1 Karakan 16TPEV 3
The lowest price
Country Russia
Average price: 25300 rubles.
Rating (2019): 4.9
Universal solid fuel boiler of domestic production is designed for heating private houses up to 160 m2, garages, greenhouses, small industrial premises. It has two circuits for heating and hot water. Upstairs is located hob with one cooking zone. The boiler is made soundly, from good quality steel. The service life is ensured by a "water head" surrounding it from all sides, preventing overheating and burnout of the metal.
The functionality of the model is enhanced by some design features provided by the manufacturer. This is the possibility of equipping the boiler with a gas burner - it is mounted instead of an ash pan. Also on the side surface there is a hole for mounting a heating element, which allows using electricity as a backup fuel. Despite the low cost, the model is dominated by positive reviews.
Advantages:
- two contours;
- the presence of a hob;
- the possibility of mounting a heating element and a gas burner;
- high quality workmanship;
- deep firebox (56 cm);
- outlet water temperature up to 95 degrees.
Flaws:
- not the highest efficiency (75%).
Autonomous heating in many ways outperforms centralized heating. It can be turned on and off at your own discretion, adjust the temperature and significantly save on operation. The main thing is to choose the most best way heating - gas or solid fuel.
Features of gas boilers
Models running on "invisible" fuel have two indisputable advantages - they take up little space and are very affordable. They are ideal for houses and even apartments where there is no space to store firewood, briquettes or coal. Due closed chamber combustion and forced draft, taking air from the street, there is no need to install the boiler in a separate room. His small size allow you to hang the unit almost anywhere.
gas boilers have a large selection of double-circuit models. They not only heat the room, but also provide a home hot water. Such devices are very economical: no need to spend extra money, because the water is heated simultaneously with common system heating.
Solid fuel boilers: pros and cons
As a rule, solid fuel models are chosen by owners of non-gasified houses. The most profitable are units that use wood waste - sawdust and shavings. In addition, many boilers can simultaneously “consume” different types fuel.
Of particular interest are models with additional function stoves. top surface are made from cast iron. It may have removable rings. During cooking, such solid fuel boilers save electricity or gas.
It's believed that gas models more practical, since they do not need to be constantly looked after. However, you can choose a machine equipped with a hopper and automatic loading. Ignition, fuel supply and operation circulation pump regulated without human control. Many models can be connected room thermostat and use it to adjust the temperature. With one load of coal, the boiler is able to work up to 24 hours.
By choosing to solid fuel boilers, you should be aware that they have one significant drawback: before installation, it is necessary to equip a special boiler room with a good hood.
Universal combined models
If you can’t decide between the two types of boilers, you can purchase a combined unit. It works well on both gas and wood or coal.
However, it should be understood that the installation of such a boiler will be expensive - at least two to three times more expensive. conventional models. But in the future, such devices are very practical in operation and allow you to save a lot.
Before choosing a specific model, it is necessary to calculate all possible costs: purchase, installation, fuel consumption. For example, gas boilers are much cheaper, but tie-in to a gas pipeline can cost a considerable amount. On the other hand, building a storage room for coal and firewood can also be problematic. Therefore, only after weighing all the pros and cons, you can provide your home with heat for many years.
Traditional heating stoves were replaced by domestic wood-burning boilers. The main advantage of wood-fired boilers made in Russia is unpretentiousness to the quality of the fuel used and operating conditions, low cost (compared to European units).
Wood boiler manufacturers in Russia
The domestic consumer has already been able to form a definite opinion about household and industrial solid fuel boilers for wood, Russian production. Like any other heating equipment, the products have their advantages and disadvantages.Types of wood-burning heating boilers manufactured in Russia can be divided into several classes:
- According to the principle of work.
- The presence of a DHW circuit.
- Destiny.
- type of heat exchanger.
We offer domestic boilers for firewood of the following designs:
- Russian-made gas-fired wood-burning boilers. Long time making of this type equipment, was the prerogative of exclusively European companies.
At the moment, wood pyrolysis boilers long-term burning of domestic production, are offered by several companies at once. The advantage of "our" equipment is the reduced consumption of firewood and longer work from one tab. - Boilers with a conventional design - heat generators of this type, according to the principle of operation, resemble a conventional wood-burning stove. The difference is the complete set of the structure with a water circuit. It is allowed to connect to a conventional radiator heating network with or coolant.
Which domestic wood-fired boiler to choose
Russian-made wood-fired hot water heating boilers offer more than a dozen various manufacturers. Judging by customer reviews, the products of the following companies are especially popular:
Modern Russian-made wood-fired water heating boilers are in no way inferior to Western counterparts in terms of their characteristics. The design uses new technologies that ensure the autonomy of the heat generator and a high degree of safety. Automation controls the heating of the coolant.
Many models use a backup heat source, which is very convenient when heating with wood. When the fire in the furnace dies out, the electric heating element turns on and continues to heat the coolant, preventing the house from cooling down.
At Russian enterprises, they mainly produce steel boilers, but a series of equipment with cast-iron heat exchangers and high performance(factory KCHM). Models are intended for domestic use.
wood boilers high power, for industrial purposes, of all the above manufacturers, only KZKO LLC manufactures.
The cost of Russian wood boilers
The cost of domestic wood heating equipment, approximately 2-3 times less than European counterparts, which explains its demand among consumers. The price is affected by the equipment configuration, the type of heat exchanger and the brand of equipment.For example, below is the cost of units, depending on the manufacturer, of approximately the same power and identical parameters. Productivity from 15-20 kW.
- PARTNER (Bonfire) - boilers of small power, 16 and 20 kW, will cost 21,960 and 24,990 thousand rubles. respectively.
- DON (Conord) - the price, for a heat generator similar to the previous one, varies between 24-28 thousand rubles, depending on the configuration.
- Stoker Aqua (Ermak) - will cost only 20 thousand rubles, provided that it is equipped with an electric heating element.
- KChM (Kirov Plant)- the highest cost of boilers among analogues of this class is due to the presence cast iron heat exchanger. A 21 kW heat generator will cost about 44 thousand rubles, in the basic configuration.
- The geyser is one of the most reliable heating boilers on the domestic market. The cost of pyrolysis equipment varies between 44-48 thousand rubles.
- Zota -, in terms of quality and automation of boilers, as close as possible to European units. The cost of a 20 kW boiler will be about 33 thousand rubles.
The high cost of hydrocarbons is increasingly forcing private house owners to pay attention to solid fuel boilers. The widest range products allows you to choose equipment that is not inferior in its characteristics to gas and electric heating boilers.
But how not to get confused in such a variety? What criteria should be guided by when choosing a solid fuel? How to choose the best solid fuel boiler for home heating? These and other questions can be answered in this publication.
Classification of boiler equipment
All solid fuel installations can be classified according to the following criteria:
- According to the material from which they are made. There are steel and cast iron solid fuels.
- According to the principle of fuel combustion. Distinguish between direct and pyrolysis combustion devices.
- According to the interval between loading the fuel chamber. This classification is rather conditional and depends on the type of fuel, the method of its combustion (upper, lower). There are boilers of classical loading and long-term boilers.
In addition, most homeowners pay attention to the cost of the device, its autonomy, security system, efficiency, brand and other points. But, the main factor in choosing boiler equipment is the type of fuel used. Only after analyzing the totality of all positions, it is possible with a sufficient degree of confidence to answer the question of the best solid fuel.
Our experts decided to simplify the task for potential owners of this equipment and made a rating of solid fuel boilers based on personal experience, popularity among our compatriots and reviews of real owners.
