If there is no central heating in the house or industrial premises, combined boilers are used. They help to heat a large area and at the same time work on various fuels.

When buying a combined boiler, you must first study its main characteristics:

1. Peculiarities.
2. Advantages.
3. Flaws.
4. Specifications.

Based on the data obtained, you can choose the ideal model that will please the consumer for a single year.

The best combined boilers of medium heat output up to 30 kW

Thermocraft Taifun 12 New

Thermocraft Taifun 12 New

A small functional model will perfectly cope with the heating of 120 square meters of area. This is a relatively small device that can be placed on a small area of ​​​​the floor in a private house — the boiler will fit in a niche or complement a modern kitchen interior. The steel heat exchanger is suitable for long-term operation. The maximum heating temperature is 95 ° C, and the efficiency of the device is noticeable in terms of efficiency — 76%.

Convenient mechanical control is intuitive and accessible to users who are not too familiar with combined heating boilers. Varieties of fuel — pellets, coal, gas, firewood.

Teplodar Kupper OK 20

Teplodar Kupper OK 20

The laconic design of the case demonstrates a combination of red and graphite shades, and a stable floor structure allows installation in any room. This boiler is considered a classic — it is equipped with a standard mechanical control system, has one circuit and confidently copes with heating 200 square meters of area. The functionality and efficiency of this model is undeniable — the boiler runs on different fuels. Pellets, coal, wood briquettes and natural gas connection can be used here.

The heat carrier is made of steel, its maximum heating temperature should not exceed 80°C. The boiler provides for external connection, is volatile and equipped with an open combustion chamber.

ZOTA Master 14

ZOTA Master 14

The functional boiler is ideal for use in domestic and industrial premises of a small area. It features high-quality insulation and the latest heat exchanger design. The device is as simple as possible to maintain and safe to use, and its technological «stuffing» allows you to achieve high and stable performance.

The Master range is characterized by high-quality heat exchangers made of high-strength steel, convenient access to the chamber, due to which it can be quickly cleaned, and the presence of a secondary air duct system. A large combustion chamber and the central location of the loading chamber make this boiler practical and convenient. Types of fuel — gas, coal, firewood.

The best combined boilers of high thermal power from 30 kW

Thermocraft Taifun 42 New

Thermocraft Taifun 42 New

The boiler with mixed fuel from this manufacturer is distinguished by high-quality assembly, ergonomic arrangement of chambers and structural stability. The manufacturer recommends using coal as fuel, but pellets, natural gas and firewood are also suitable — this is a truly functional unit. High power allows you to heat rooms up to 420 square meters, and a 76% efficiency will provide the required temperature level.

The water pressure in the heating circuit is 2.5 bar and the maximum heating temperature is 95%. Avoid overheating and follow all the rules of operation — this model will last a long time due to high-quality assembly and the use of solid materials.

Protherm Bison 40 NL

Protherm Bison 40 NL

A powerful functional device can compete with analogues in a higher price category due to high quality indicators and ergonomics. This mixed type boiler can operate on diesel fuel, natural gas and liquefied gas, its power is 38 kW and is suitable for heating fairly large rooms. Electronic control greatly simplifies communication with the device and makes it possible to make the necessary settings one time.

The heat exchanger is made of durable cast iron, which ensures long-term operation of the boiler without breakdowns. Additional options are provided — power indicator, pressure gauge and overheating protection. The efficiency of the device is 89%.

Buderus Logano G215 WS-52

Buderus Logano G215 WS-52

A high power rating characterizes this boiler as one of the best for high-quality and fast heating of large rooms. Powered by diesel, LPG and natural gas, the unit is a massive stand-alone unit with a power of 52kW that does an excellent job of distributing large amounts of heat. The maximum allowable temperature is 90°C and the water pressure is 4 bar. The combination of these indicators guarantees powerful heating for large residential complexes or industrial premises.

The floor-standing stable design is complemented by an open combustion chamber, which is convenient for cleaning or maintenance. The primary heat exchanger is made of high quality cast iron.

The best models of combined wood boilers

Dragon KR-30

Dragon KR-30

A universal mixed-type boiler from a well-known manufacturer is distinguished by its quality factor and functionality. 45 kW of power allow heating quite large areas. The device is economical due to the possibility of using different types of fuel — it provides for the use of coal, pellets, diesel fuel, coal briquettes, firewood, waste oil, natural gas and wood blocks.

The boiler efficiency is 88%, the maximum water pressure in the circuit is 3 bar. The unit creates a certain comfort for users — it heats up relatively quickly, is distinguished by its quality factor, simple control and structural stability.

Thermocraft Ultra 45

Thermocraft Ultra 45

The functional unit has an interesting design in a burgundy-black body and an affordable variety of suitable fuels. The boiler is economical, since heating is possible with the help of firewood, coal, pellets, diesel fuel and natural gas. You can really save and cut costs by choosing the right fuel for you. This model is applicable for heating large rooms — the power is 45 kW. The maximum allowable heating temperature is 95°C, which is more than enough to heat any building.

The floor installation is represented by improved design features — the boiler is massive, heavy and stable on almost any surface. With a simple mechanical control, any beginner will quickly figure it out.

The best combined pellet boilers

Thermocraft Ultra 32

Thermocraft Ultra 32

The ergonomic combined boiler demonstrates the convenience of mechanical control and the possibility of using different types of fuel. In addition to pellets, you can use coal, wood or natural gas — this is a truly economical and functional device that meets all the requirements of the modern market. The boiler can heat up to 95°C and will cope with the heating of impressive overall premises — its power is 32 kW.

The robust design weighs 200 kg and is sized to match the performance without being overly bulky. Solid assembly and high-strength steel, from which the primary heat exchanger is made, allow this model to be operated for a very long time without noticeable damage.

Dragon KR-40

Dragon KR-40

The massive unit is suitable for heating buildings up to 500 square meters, while it is characterized by rapid heating and quite decent efficiency — 88%. The boiler is powered by electricity and has a power of 40 kW — this is optimal for use in both residential and industrial premises. The laconic appearance is represented by a dark red body with black details and is successfully complemented by stable thick legs and a convenient location of the cameras.

The variety of fuels that can be used is impressive — you can choose from pellets, coal diesel, coal briquettes, firewood, waste oil, natural gas or wood blocks. Convenient mechanical control is optimal for all users.