• How to calculate the power of the boiler?

    Nadezhda Manko
    Nadezhda Manko
    April 8, 2013
    How to calculate the power of the boiler?

    How cool, after a winter walk, warm up at home on an old stove that is bursting with wood or puffing coal. However, how much effort, energy, time and hard work is worth such a pleasure. Fortunately, the stoves were left in the last century, because they were replaced by boilers that have a lot of advantages, because there is no need to harvest firewood, you do not need to spend a lot of time for kindling, the house warms up faster, works almost silently, etc. . Although there are cases when you buy an expensive branded boiler, install it, and when the cold comes, the work of the boiler is almost not felt and the house is cool. And the reason is not at all that you were deceived and sold a bad boiler, but that you need to know how to calculate the power of the boiler so that it heats the living space well.

    Choosing a boiler

    When choosing a boiler, it is necessary to take into account such factors as the area to be heated, the material from which the dwelling is made, the number of windows, the number of floors, the presence of ventilation, the average temperature of the coldest month of the year.Please note that boilers are divided into several types: gas, solid fuel, liquid fuel, electric, diesel, etc. Each has its own advantages and disadvantages, which depend again on the heated area and the availability of a particular fuel or electricity .

    Which boilers are better

    The most common, popular and economical is the gas boiler, so let's look at how to calculate the power of a gas boiler. Usually, in order to heat 10 square meters, 1 kW of boiler power is enough. However, it should be remembered that the height of the ceiling should be considered, because if the ceilings are higher than three meters, then 1.5 kW is required. And if the boiler will also be used for heating water, the power should be increased by about 40%. Remember that it is better to buy a boiler a little more powerful from the results that you get, so that in the future it does not work constantly at full capacity.

    If you find it difficult to independently calculate the power, then you can use special programs that will allow you to make accurate calculations, taking into account all the points. If using such programs, the question of how to calculate the power of the heating boiler remains unresolved, then use the following formula: R = ΔTр / q, where:

    • ΔTр - temperature difference, which is calculated between the temperature inside and outside, (° С)
    • q - indicates the amount of heat that is lost per square meter within the building envelope, that is, the walls, (W / m²);

    Successfully selected boiler will bring warmth and comfort to your home. And in order to save your money, it is important to know how to determine the power of the boiler and be sure to use the data obtained when choosing a heating means.


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