The most economical gas boilers. Rating by type of boiler

Typical gas consumption for heating

First, let's determine the gas consumption for heating, which is set by manufacturers of the simplest gas equipment.

If you do not take into account frankly unsuccessful models, and also do not take into account manufacturers who produce obsolete equipment, the gas consumption per 1 kW of burner thermal power can be called standard.

As you will see from the table below, it is approximately 0.1 m3 of gas per 1 kW of heat per hour.

Of course, each specific gas heat generator has its own characteristics. But the average numbers are approximately the same.

That is, if you have a house of 130 sq.m. and you are using a 13 kW gas boiler, then in an hour such a heat generator (with continuous operation) will consume approximately 1.3 cubic meters of gas.

This calculation is made without taking into account the efficiency, which varies for different types of gas equipment.

So a standard modern gas boiler with an atmospheric burner has an efficiency of approximately 90 percent. At the same time, old boilers (70-80 years of production) had an efficiency of no more than 80 percent.

As you can see, progress does not stand still. And the efficiency of the simplest boilers is constantly increasing.

However, now there is gas equipment that can come very close to the coveted “one hundred square meters”. Its efficiency is 95-96 percent. We are talking about condensing gas boilers.

Prices: summary table

Gas boilersBoilersWays to save Solid fuel boilers

Rating of gas boilers

So, let's move on to the rating of the best gas boilers for heating a private home. Let's start with the wall ones.

Wall mounted

Which is the best wall-mounted double-circuit gas boiler is a difficult question, because there are a huge number of manufacturers working in this area who have long proven themselves on the positive side. And yet we will try.

See also: Catalog of companies that specialize in autonomous gasification

Bosch Gaz 7000 W MFA

The German manufacturer offers a unique unit that can operate on both natural and liquefied gas. The line also includes single-circuit models. Boiler power is from 24 to 33 kW.

Design features:

• ceramic monothermal heat exchanger;
• stainless steel burner;
• electronic ignition;
• two water heating modes: “eco” – when water is needed as needed, “comfort” – maximum heating;
• you can connect the boiler through a three-way valve;
• automatic system, with which you don’t have to worry about thermal inertia;
• Efficiency – 91%.

Gas boilers from BOSCH Source stroy-podskazka.ru

Baxi Eco Four

This is a representative of Italian production. It can also run on both liquefied and natural gas. The manufacturer produces two power models: 14 and 24 kW.

Design features:

• copper heat exchanger;
• heat exchanger for domestic hot water made of stainless steel;
• The burner is made of the same material;
• there is an automatic system that protects the boiler from freezing and blocking;
• sensor responsible for water movement;
• automatic bypass;
• weather-compensated automation;
• electronic self-diagnosis;
• flame modulation – electronic.

Gas boiler Baxi Source krayinatepla.com

Vaillant turboTEC plus VU INT

This is another German whose power varies in the range of 12-36 kW. These are single-circuit models with a closed fuel combustion chamber.

Design differences:

• copper heat exchanger;
• chromium-nickel steel burner;
• step circulation pump;
• automatic air vent;
• equipment freeze protection system;
• electronic ignition;
• Efficiency is above 91%.

Boiler from the Vaillant company Source kak.znate.ru

Deciding on the type of fuel used

Gas boilers have the lowest ratio of initial purchase and installation costs to operating costs. In addition, they are completely autonomous and can work for weeks without human intervention; they do not require fuel procurement or storage space. Therefore, if there is a gas main near the house, we recommend choosing a gas boiler without hesitation.

If there is no gas line, the most budget-friendly option would be solid fuel models: wood, coal or universal: burning wood, coal, peat, and pellets. One has only to pay attention to the material of the heat exchanger; it is desirable that the steel thickness be 5 mm or more; the service life of such heat exchangers is much longer (from 10 years).

The simplest and most inexpensive design of a solid fuel boiler using the example of the Warmos series of models.

Diesel boilers and waste oil boilers have an initially high cost, and operating costs depend on the price at which waste or diesel fuel can be found. Electric boilers should not be considered as a budget option, since their operating costs, even at night electricity rates, are the highest. For heating a house of 100 sq. m. may require from 8 to 12 thousand rubles/month.

The best energy-saving models

1

Bosch Tronic Heat 3000 9

46,000 rub.
Perhaps not the most affordable, but no less high-quality model from the famous Bosch brand. Gathered in the Czech Republic (city of Krnov). The design of the boiler is simple, thanks to which the device will easily fit into any interior. The efficiency of the BoschTronic Heat 3000 9 is an impressive 99.7%. This device does not have a pump with an expansion tank, which is why it is most often purchased as a backup heating source in addition to gas or solid fuel boilers. However, BoschTronic Heat 3000 9 is also suitable as a main source, only for a small apartment or house.

9.8 /10

rating

Advantages

• Convenient LED display
• There is an error log
• Protected from overheating or hypothermia

Flaws

• Price

Bosch Tronic Heat 3000 9

2

Kospel EKCO. L2 12

41,000 rub.
An excellent model from the Polish manufacturer Kospel, which is ideal for heating country houses up to 150 square meters. meters. Mounts on the wall, has a stylish design and compact size. Despite its price, it has good efficiency and several levels of protection (against overheating or hypothermia). Kospel EKCO. The L2 12 features intuitive controls and quiet operation.

9.7 /10

rating

Advantages

• Affordable price
• Compact dimensions
• There are several levels of protection

Flaws

• No expansion tank

Kospel EKCO. L2 12

3

ZOTA 9 Lux

18,700 rub.
choice

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An interesting economical model of domestic production, produced in Krasnoyarsk. It has a nice design, small size and weight. The main feature of ZOTA 9 Lux is very good performance, which is even strange for such a price. The heating area is about 100 square meters. meters, the boiler can be connected to both a single- and three-phase network. This energy-saving boiler also comes with a set of sensors for measuring temperature and degree of heating. In addition, there is a chronothermostat, thanks to which the operation of the boiler can be adjusted to the time of day and day of the week, which has a great effect on the energy efficiency of this device.

9.4 /10

rating

Advantages

• Chronothermostat
• Self-diagnosis function
• You can connect a GSM module

Flaws

• Weak electronics

ZOTA 9 Lux