At the moment there are different gas boilers. Which one to choose depends on a number of factors that every consumer should be aware of.
What are the patterns?
According to the type of execution, wall and floor solutions are distinguished. Speaking about how to choose a gas boiler, it is worth noting that they are single- and double-circuit. It is also customary to distinguish between these devices by the type of material from which the heat exchanger is made (it is steel or cast iron), as well as by the type of burners.
Before choosing a gas boiler, it is worth evaluating the quality of the water in your water supply. If we are talking about a hard substance with a considerable proportion of iron, then we can recommend a device with a built-in boiler. It is important to note that in this situation we are talking about a steel tank with water, in which there is a coil with a coolant passing through it. It turns out that the liquid from the heating system gives up its heat to the water in the boiler. This choice of boilers is due to the fact that calcium and iron settle on heat exchangers much longer. Over time, the coil is covered with a layer of scale, due to which the water heats up longer, and the heat transfer and performance of the heating system gradually decreases. Theseprocesses are not as intensive as in flow heat exchangers.
If we talk about how to choose a gas boiler, it is impossible not to mention double-circuit solutions with a built-in flow plate heat exchanger. It cannot be called the best option, since the internal surfaces of such a container are quickly overgrown with scale deposits that clog the flow channels, and this reduces heating and water flow. During the use of the device, the water temperature becomes unstable, and its wave-like changes are traced, vibration and noise appear. All this causes the need for premature repair of the device.
Speaking of how to choose a gas boiler, we note that in a residential building the best option would be to use a device with a boiler. In this case, there will be much less switching from heating to hot water supply, and it is this factor that has a strong influence on the service life of the device.
Gas boilers: how to choose?
First of all, the buyer is faced with the choice of the manufacturer. It is better that it be some well-known brand, otherwise it is difficult to count on quality. The next important point is the choice of equipment according to its characteristics. Here you can stop at an affordable device that will consume a lot of fuel, or prefer a more expensive model that pays off due to the economy of operation. The final step in the selection involves determining the appropriate powerdevice. It is better to calculate it at the stage of building a house, but for a finished dwelling, you can also determine it. Usually, 1 kilowatt of energy is required per ten square meters of area. If it is necessary to heat water, add another 25% to this indicator.
In conclusion, it is worth mentioning the most popular brands of this equipment, such as Electrolux, Ariston, and Gorenie.