When a home or country house is located far from a densely populated area with the maximum number of conditions, liquid fuel boilers help to create a microclimate.
They make it possible to organize a heating system in a private home with virtually no human intervention . The process is fully automated.
Let's look at what diesel heating boilers are, what to look for when choosing a device, as well as the best models.
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What characteristics should you pay attention to when purchasing a device?
Note! When choosing an oil-fuel boiler, the key parameters are:
- Number of circuits. There are single-circuit and double-circuit models. The first are intended exclusively for heating rooms, the second allow you to solve the problem with hot water. Sometimes there are multi-circuit units that also provide heated floors.
- Energy independence. Liquid fuel boilers can operate autonomously or connected to the mains. For people who live in populated areas with frequent power outages, it is better to opt for a non-volatile model.
- Thermal power. This parameter is selected taking into account the square footage of the living space.
- Control type. Mechanically controlled units are easy to maintain. Electronically controlled devices make it possible to program various settings and use liquid fuel economically.
Models of small and medium thermal power up to 30 kW
Devices with a power of up to 30 kW are convenient in small and medium-sized rooms with a total area of less than 300 square meters. m . Let's look at the best models in this segment.
Rating of the TOP 5 best diesel models in terms of price and quality ratio.
Kiturami Turbo 13R 15.1 kW dual circuit
A device that can solve two problems in a room at once - heating and hot water.
A unit with a high efficiency, with good thermal power.
The boiler is sold at a very affordable price, thanks to which the model has become very popular among consumers.
It has many useful features that help you save money.
Modern design completes the pleasant impression.
Specifications:
- installation - floor;
- thermal power - 15.1 kW;
- control type - electronic;
- heat exchanger material - steel;
- combustion chamber - open;
- dimensions - 365x915x650 mm;
- weight - 64 kg.
Advantages
- low cost;
- compact size;
- convenient control;
- rich equipment;
- stylish design;
- Availability of auto diagnostics, auto ignition;
- high level of protection.
Flaws
- makes noise during operation;
- the steel heat exchanger is susceptible to corrosion;
- In case of breakdowns, difficulties arise with repair or replacement under warranty.
Kiturami TURBO HI FIN 17 19.8 kW dual circuit
Compact model with a laconic exterior and good performance.
The peculiarity of this boiler is that the unit can be controlled remotely using a smartphone.
You can remotely set the required temperature and turn it on/off.
Also included is a remote control for more comfortable use.
Specifications:
- installation - floor;
- thermal power - 19.8 kW;
- control type - electronic;
- heat exchanger material - steel;
- combustion chamber - open;
- dimensions - 325x700x602 mm;
- weight - 40 kg.
Advantages
- works in automatic mode;
- can be controlled remotely;
- acceptable price;
- laconic design;
- presence of a room thermostat;
- easy to set up.
Flaws
- high cost of spare parts;
- high fuel consumption at maximum power;
- Sometimes it makes strange sounds during operation.
Navien LFA 13K 13 kW dual circuit
A device with an original design will become a decoration in any home.
An innovative model with a stainless steel heat exchanger, which guarantees a long service life.
Convenient and intuitive controls with a number of useful settings.
The unit does not require special skills for installation, but it is still recommended to contact professionals.
Specifications:
- installation - floor;
- thermal power - 13 kW;
- control type - electronic;
- heat exchanger material - stainless steel;
- combustion chamber - open;
- dimensions - 320x754x520 mm;
- weight - 49 kg.
Advantages
- acceptable price;
- beautiful exterior;
- quiet in operation;
- high build quality;
- good equipment;
- comfortable control.
Flaws
- there is no way to independently pick up fuel from the depths - an additional pump is needed;
- there are difficulties connecting to remote control;
- consumes a lot of fuel.
Kiturami TURBO HI FIN 13 16.8 kW dual circuit
A modern model with an unusual exterior and a set of useful settings.
The boiler is compact in size, but has good thermal output and high efficiency.
Equipped with protection against freezing and overheating, an on/off indicator, and automatic ignition.
A very convenient option for houses with medium square footage.
Specifications:
- installation - floor;
- thermal power - 16.8 kW;
- control type - electronic;
- heat exchanger material - steel;
- combustion chamber - open;
- dimensions - 325x700x602 mm;
- weight - 40 kg.
Advantages
- attractive price;
- interesting appearance;
- the heating process is fully automated;
- high build quality;
- compactness.
Flaws
- high fuel consumption;
- regular problems with fuel supply;
- The instructions are not entirely clear.
Kiturami Turbo 21R 24.4 kW dual circuit
Comfortable to use model with clear electronic controls.
A special feature of this boiler is that it is equipped with a copper heat exchanger.
This allows it to work for several years without breakdowns or interruptions.
The device fully heats rooms with an area of up to 250 square meters. At the same time, it supplies the residents of the house with hot water.
Specifications:
- installation - floor;
- thermal power - 24.4 kW;
- control type - electronic;
- heat exchanger material - copper;
- combustion chamber - open;
- dimensions - 360x920x650 mm;
- weight - 75 kg.
Advantages
- good equipment;
- compact size;
- ideal price/quality ratio;
- convenient display;
- clear controls - easy to understand;
- laconic exterior.
Flaws
- not always high-quality assembly;
- heavy weight;
- Compared to analogues, the efficiency is rather weak.
Design and principle of operation of a diesel boiler
The design of units using liquid fuels as an energy carrier requires the following basic elements:
- Housings with a built-in combustion chamber;
- Burners in which the formation of a combustible mixture occurs;
- One or two heat exchangers;
- Fuel pump;
- Filtration systems;
- Thermal sensors;
- Electronic control and settings unit.
The material for the manufacture of heat exchangers can be steel or cast iron. Some premium diesel boilers are equipped with heat exchangers made of high-alloy heat-resistant steel.
Principle of operation
The fuel entering the burner is mixed with air, thus forming a fuel mixture, which is sprayed through the nozzle into the combustion chamber. The completeness of fuel combustion depends on the correct adjustment of the burner itself and the quality of the nozzle. The fuel mixture entering the combustion chamber is ignited by a spark generated by an automatic control system (ACS), and the heat generated during the combustion process is transferred to the coolant through the walls of the heat exchanger.
The temperature of the coolant is controlled by a system of temperature sensors installed in the combustion chamber. When the set temperature regime is reached, the automatic control system turns off the burner, and when the coolant cools, the combustible mixture is automatically ignited. Exhaust gases are discharged through the chimney.
The burners of diesel heating boilers can be fan-driven or forced-air. In fan burners, excess pressure is created using a special built-in fan. The performance of such modules is quite high, but the operation of the installations is accompanied by an increased noise level.
In forced-air burners, a turbine is installed instead of a fan. The use of turbocharging can significantly increase the productivity of the installation and achieve complete combustion of the combustible mixture. Removal of exhaust gases from the combustion chamber can be done either naturally, due to the draft generated in the chimney, or forcefully, using a fan.
Another design feature of a diesel fuel boiler for heating a private home is the possibility of conversion to work with other types of fuel, in particular natural gas, for this you just need to replace the diesel burner with a gas one.
High power models from 30 kW
Keep in mind! Boilers with high power are ideal for heating large rooms even at very low air temperatures.
They create the necessary coziness and comfort. Let's consider the most powerful models with high quality.
The best high-power models according to customer reviews and ratings.
Kiturami Turbo 30R 34.9 kW dual circuit
Large-scale option with high performance for heating large rooms.
Electronically controlled model, all settings are displayed on the display. A remote control is included.
Maximum safety is ensured by: protection against freezing, overheating, and self-diagnosis.
For greater convenience, automatic ignition is provided.
Specifications:
- installation - floor;
- thermal power - 34.9 kW;
- control type - electronic;
- heat exchanger material - copper;
- combustion chamber - open;
- dimensions - 360x920x650 mm;
- weight - 82 kg.
Advantages
- affordable price;
- the system is fully automated;
- compactness;
- efficiency;
- high efficiency;
- good equipment.
Flaws
- mediocre design;
- heavy weight;
- not always high-quality assembly.
Kiturami TURBO HI FIN 30 34.9 kW dual circuit
A powerful unit with high efficiency and original appearance.
Installing the device is quite simple. If you understand heating systems, installation will not be difficult.
For maximum safety, the model is equipped with frost/overheat protection.
The boiler also has a built-in thermometer.
Specifications:
- installation - floor;
- thermal power - 34.9 kW;
- control type - electronic;
- heat exchanger material - steel;
- combustion chamber - open;
- dimensions - 365x930x650 mm;
- weight - 80 kg.
Advantages
- The kit includes a remote control for more comfortable control;
- interesting design;
- high performance;
- rich equipment;
- presence of a programmer;
- auto ignition
Flaws
- high price;
- sometimes makes noise during operation;
- uneconomical option when operating at maximum power.
Navien LST 40KG 40 kW dual circuit
A very powerful device capable of heating rooms up to 40 square meters.
This option is ideal for owners of large country houses where electrical problems are regularly observed.
Considering that the process is automated, setting up is quite simple, this is an indispensable boiler for older people who find it difficult to understand the intricate controls.
Specifications:
- installation - floor;
- thermal power - 40 kW;
- control type - electronic;
- heat exchanger material - stainless steel;
- combustion chamber - closed;
- dimensions - 370x858x670 mm;
- weight 55 kg.
Advantages
- stylish exterior;
- compactness;
- a light weight;
- maximum protection against emergency fire;
- made from quality materials;
- good equipment.
Flaws
- high price;
- expensive components;
- uneconomical option in terms of fuel consumption.
Navien LFA 40K 40 kW dual circuit
An ergonomic model with a beautiful design that will be a pleasant addition to any interior.
In general, this model is practically no different in functionality from the previous one.
The peculiarity is only in the exterior and dimensions. Also pleasing is the not particularly high price.
Setting the boiler parameters is quite simple.
Specifications:
- installation - floor;
- thermal power - 40 kW;
- control type - electronic;
- heat exchanger material - stainless steel;
- combustion chamber - closed;
- dimensions - 380x856x649 mm;
- weight - 81 kg.
Advantages
- affordable price;
- multifunctionality;
- stylish exterior;
- rich equipment;
- high power;
- good efficiency indicator.
Flaws
- expensive spare parts;
- makes noise during operation;
- uneconomical option in terms of fuel consumption.
Navien LST 60KRN 60 kW dual circuit
One of the most powerful liquid fuel boilers with high performance.
Designed for very large rooms.
Provides not only heat, but also a large amount of water in a short time.
Given the comparative compactness of the unit, finding a place for it in a very large house will not be difficult.
Specifications:
- installation - floor;
- thermal power - 60 kW;
- control type - electronic;
- heat exchanger material - stainless steel;
- combustion chamber - closed;
- dimensions - 491x906x764 mm;
- weight - 91 kg.
Advantages
- high power;
- good build quality;
- multifunctionality;
- convenient control;
- rich equipment;
- long service life;
- installation is not difficult.
Flaws
- high price;
- expensive spare parts;
- At maximum power it consumes a large amount of fuel.
Solid fuel boiler Heating device Rizon M 16
Solid fuel boiler The Rizon M 16 heating device, produced in Belarus, is equipped with a Polish-made TECH ST-28 Sigma automatic device. A device with a power of 16 kW is capable of operating for 8 hours on one stack of firewood, while heating a home with an area of up to 160 square meters. m. It is suitable for use in houses equipped with an open or closed water heating system with natural or forced circulation of coolant. The simple design of the unit makes it easy to load fuel and clean the ash pan. Thanks to an efficiently operating heat exchanger, the efficiency of the device reaches 80%, and it should last at least 25 years.
Advantages
- Volumetric firebox, large convenient loading doors.
- Complete energy independence.
- The standard loading cycle for Reason series boilers is 8 hours.
- High temperature cast iron grates.
- The equipment runs on any type of solid fuel, such as coal, firewood or peat.
- Possibility of connecting automation.
Flaws
- There is no water jacket (heat exchanger).
