9 most economical boilers

High-quality heating of a private house is not only a matter of comfort, but also, in some cases, safety. Still, on winter days in many regions of our country, thermometers show at -30 degrees Celsius, or even lower. However, when choosing a boiler, most buyers pay attention not only to power, but also to energy consumption. Still, it depends on this indicator what amount will have to be spent monthly when paying for utilities. Therefore, our experts have prepared a rating of the most economical boilers - both gas and electric, among which each buyer will select the option that suits him completely.

The most economical gas boilers

It is gas boilers that are most popular in our country. This is not surprising - on the one hand, they have a fairly high power, and most of them are double-circuit, that is, they are able not only to heat the room, but also to provide its inhabitants with hot water. On the other hand, gas is the cheapest energy source, which makes it very attractive for economical and practical users.

1. BAXI ECO-4s 18F 18 kW dual-circuit

A very successful model developed and produced by a large Italian company, one of the most famous on the heating equipment market. Unsurprisingly, this gas boiler receives mostly positive reviews from users. 18 kW of power is enough to heat a house up to 150 m2.

The primary heat exchanger is made of copper, which significantly increases heat transfer and, as a result, the efficiency of the boiler. The device produces 9.8 liters of water per minute at a temperature of +35 degrees Celsius or 13.7 liters at a temperature of +25. Electronic control greatly simplifies the work with the boiler. Wall mounting is an excellent choice if the user wants to save valuable floor space in the house. With all this, the efficiency of the device is very high - 92.5%. Therefore, the boiler deserves to be included in the rating.

Advantages:

• built-in system for diagnosing errors and malfunctions;
• small size;
• copper heat exchanger with corrosion protection;
• energy saving circulation pump;
• electronic modulation of the flame is supported;
• the presence of a display;
• reliability in work;
• Italian quality and design.

2. Buderus Logamax U072-12K 12 kW double-circuit

This model is worth looking at for users who value ease of use and reliability. Also, many owners note the almost complete noiselessness of the work. There is protection against freezing and overheating, an auto-ignition function and a power indicator. All this makes the work as easy and pleasant as possible. In addition, 12 kW is enough to heat a house with an area of ​​up to 100 square meters.

When choosing the optimal boiler power, it should be calculated according to the formula - 1 kW per 8-10 square meters of room.

The boiler is equipped with a convenient LCD display, which displays all the information about the faults that have occurred, which simplifies diagnostics.The copper heat exchanger provides excellent heat dissipation, resulting in an efficiency of 92% - a very good indicator by modern standards. So, it's safe to say that this boiler is quite economical and safe to use.

Advantages:

• low noise level;
• convenient and simple control;
• perfectly maintains the set temperature.

Disadvantages:

• some models have software glitches.

3. Bosch Gaz 6000 W WBN 6000- 12 C 12 kW double-circuit

Of course, if this is not the most economical boiler, then at least one of them. Therefore, it is impossible not to include it in the rating. A special ECO mode allows you to further reduce gas consumption during operation. It's nice that it weighs only 28 kg and is perfect for wall mounting. Also, it is often bought by people who want to get the safest technique possible. The boiler is equipped with a safety valve, gas control and an air vent. It can supply hot water to the water supply system with a temperature of +50 and +30 degrees Celsius - 5.1 and 8.6 liters per minute, respectively. So by purchasing it, you will solve the problem of heating and hot water.

Advantages:

• light weight;
• beautiful design;
• ease of adjustment.

Disadvantages:

• the noise level during operation is higher than the users would like.

4. Vaillant turboFIT VUW 242 / 5-2 23.7 kW dual-circuit

If the user needs a relatively inexpensive, very powerful and at the same time economical boiler, then it is best to choose this model. The power of 23.7 kW is enough to heat a huge cottage of two or even three floors with high quality. The device has a unique smoke exhaust system that completely solves the problem of removing combustion products.

The best heating boilers are equipped with copper heat exchangers, since this material has a very high thermal conductivity, which increases efficiency.

The weight of the boiler is relatively small - 36 kg, which makes it possible to install it on the wall. The efficiency is simply excellent - 93.5%, which is one of the best indicators to date. If desired, you can connect external control, which makes working with the boiler even easier and more comfortable. The functionality of the model is simply enormous. It has an on indicator, is protected from overheating and freezing, can carry out automatic diagnostics, is equipped with an auto-ignition, a pressure gauge and a thermometer. Therefore, unnecessary problems when working with this boiler will definitely not arise. True, if some part fails, it will be very difficult to find a suitable replacement and will cost a pretty round sum.

Advantages:

• high safety thanks to a closed chamber;
• very high power;
• excellent indicator of efficiency.

Disadvantages:

• very expensive components and parts.

5. Ariston CARES X 15 FF NG 15 kW double-circuit

When choosing a heating boiler, many users try to purchase not only a compact, but also a fairly powerful, at the same time economical model. If you need one, then study the characteristics of this device - it is a very good compromise. Its weight is only 28 kg, which greatly simplifies the process of transportation and installation on the wall. 15 kW of power is more than enough to heat a spacious two-story cottage if it is well insulated. The efficiency of 92.9% is ensured by an elaborate design. Also, the boiler will be a good choice for owners with their own well. It is equipped with a special water filter that stops sand and dirt, eliminating the risk of breakage or clogging of the tank.

Advantages:

• built-in filter;
• easy to use;
• excellent power-to-fuel ratio.

Disadvantages:

• not too reliable heat exchanger - over time it starts to flow.

The most economical electric boilers

Electric boilers are also very popular. They can be a good choice for regions with mild climates. The advantages are compactness, safety and environmental friendliness.But when buying, you should make sure that the network will pull the additional load - some weak transformers, which are found in many villages, can simply fail because of this.

1. Protherm Skat RAY 9 KE / 14 9 kW single-circuit

Just an excellent energy-saving boiler, the main advantage of which is a very high efficiency - as much as 99.5%, which very few models can boast of. Many users appreciate its compactness and lightness - the weight is only 24 kg, which makes it possible to install the boiler on the wall. If desired, you can connect external control to make the process of setting up and starting on time even easier and more comfortable.

The built-in expansion tank is an important part of any heating boiler. The larger it is, the less the risk that the system will be damaged during frost.

The boiler is protected against overheating and freezing. Automatic diagnostics makes it easy to identify any breakdowns, even the smallest ones. And the built-in pressure gauge, thermometer and switch-on indication make working with the boiler as comfortable and easy as possible. Of course, there is an expansion tank - a whopping 8 liters. The power is easily adjustable from 3 to 9 kW, so you can adjust the heating system according to the outside temperature. To date, about a quarter of a million of these boilers have been purchased in Russia, which is an excellent indicator.

Advantages:

• highest efficiency;
• high-quality, European assembly;
• compactness.

Disadvantages:

• quite high price.

2. EVAN EXPERT 9 single-circuit

Users looking for a reliable, simple and easy-to-use boiler for heating will certainly not be disappointed with this model. Its maximum power is 9 kW, but if you wish, you can set the desired level from the nine available. The coolant can have a temperature of 10 to 85 degrees Celsius, so that even a very cold building can be heated to a comfortable level in the shortest possible time. Due to its economy, it will be a good choice for medium and small houses - up to 90 square meters. Many users like that the kit also includes a display and an outside temperature sensor - this makes it possible to quickly change the power to avoid serious changes. Automatic diagnostics makes it easy to find and fix breakdowns, and the ability to connect a warm floor attracts many users.

The boiler is equipped with outdoor and indoor temperature sensors - for most analogs they have to be purchased separately, spending a lot of money.

Advantages:

• easy to install and maintain;
• nine power levels;
• good functionality.

Disadvantages:

• not too high-quality assembly.

3. Vaillant eloBLOCK VE 12 12 kW single-circuit

Experienced users are looking for not only economical but also truly durable space heating equipment. They will definitely be pleasantly surprised by this model. Its main advantages include a significant service life - it is as much as 10 years! The warranty period will also not disappoint - 900 days. Therefore, the boiler deserves a place in the rating.

Even against the background of other compact electric boilers, this one stands out. It has two power levels - 6 and 12 kW. Therefore, you can select the mode most suitable for the outside temperature. The boiler is equipped with a circulation pump, which significantly increases the heating rate of the premises - in a few minutes after the heating starts, the rooms will become noticeably warmer. Equipped with a 10-liter expansion tank, which excludes the possibility of damage to the heating system in severe frosts.

Advantages:

• light weight;
• built-in circulation pump;
• significant service life.

Disadvantages:

• only two power modes.

4. ZOTA 12 Lux 12 kW single-circuit

Transporting and installing a heating boiler is a rather troublesome job.Unsurprisingly, many buyers prefer the smallest models possible, especially if they're also powerful enough. That is why this model is very popular - its weight is only 18 kg. This does not prevent the boiler from having a fairly high power - 12 kW, which is quite enough to heat a house with an area of ​​up to 120 square meters. Three levels of power make it possible to choose the mode that best suits certain conditions so as not to waste electricity. Electronic control greatly facilitates work with the boiler and fine-tuning. In addition, operation is simplified by the display and temperature sensors - room and outdoor.

Among the useful functions is weather-dependent regulation - the boiler independently adjusts to the outside temperature in order to maintain the temperature at the proper level.

Advantages:

• ease;
• high power;
• convenience of work;
• affordable price.

Disadvantages:

• not all models can boast of a high-quality assembly.

Which boiler is the most economical

As you can see, the choice of heating boilers is quite large. In many ways, the purchase of a particular model depends on the user's preferences and the current situation - you can purchase both gas and electric. The advantages of the first are the efficiency of the boiler, and the second - safety and ease of use. If the main requirement is heating a large area, then you should choose the Vaillant turboFIT VUW 242 / 5-2 23.7 kW. For users who appreciate ease of installation, the ZOTA 12 Lux 12 kW is suitable. And if you value high quality and are not too limited in funds, you can take a closer look at Protherm Skat RAY 9 KE / 14 9 kW.