The constant increase in energy prices are forcing people to look for cheaper sources of heating for apartments and houses. One of them is firewood. The greatest effect of their combustion is achieved in long-burning furnaces. The devices have high efficiency, which makes them a real alternative to gas and even coal.
Stoves in which long burning of firewood is provided differ structurally from conventional ones. Their case is thick - 3-6 mm, made of steel, cast iron. The firebox has two compartments and more in capacity. Some models additionally have an air convection system, a water heat exchanger.
In the stoves, dual-mode burning of firewood is provided. When it is necessary to quickly heat the room - completely open the gate, for 2-3 centimeters - an ash pan. A long burning regime is ensured by loading a large volume of firewood, restricting air intake into the furnace. The latter involves the overlap of the gate, blowing.
Firewood in the second mode smolders. This happens in the lower tier, while the upper one heats up and forms fuel gas. The latter also burns out, adding heat to the room. Burning one bookmark of firewood in stoves lasts 6-10 hours.
Devices of this type are compact, with a small weight. Their efficiency is 75-85%. They are more economical than traditional stoves, therefore they consume less wood. Fuel is loaded without stopping the combustion of the previous portion. In addition to the wood, the stove can be loaded with pellets, coal.
Modern models of furnaces have a low cost. They can be placed in any building, structure; the main requirement is the presence of a chimney. They have an attractive appearance (fit into any interior), do not pollute the environment.
The disadvantages of the devices:
- The complexity of the setup and the inability to work on liquid fuel;
- A small draft, because the chimney should be without bends;
- Condensation in the chimney, the need for frequent cleaning;
- Devices require constant supervision.
In Russia, stoves are popular in which the process of long burning of firewood is implemented. The Canadian “Buleryan” is considered the best, the domestic ones “Professor Butakov” and “Breneran” are slightly inferior to it.
When buying a stove, you must consider its power, size. These characteristics should be in harmony with the area (volume) of the premises that are supposed to be heated. The market today offers many options for devices, because the consumer can choose the most effective for their conditions.
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