Calculation of heating radiators
When planning a major overhaul in your house or apartment, as well as when planning the construction of a new house, it is necessary to make calculation of the power of heating radiators... This will allow you to determine the number of radiators that can provide heat to your home in the most severe frosts. To carry out the calculations, it is necessary to find out the necessary parameters, such as the size of the premises and the power of the radiator, declared by the manufacturer in the attached technical documentation. The shape of the radiator, the material from which it is made, and the level of heat transfer are not taken into account in these calculations. Often, the number of radiators is equal to the number of window openings in the room, therefore, the calculated power is divided by the total number of window openings, so you can determine the size of one radiator.
It should be remembered that there is no need to make a calculation for the entire apartment, because each room has its own heating system and requires an individual approach. So if you have a corner room, then about twenty percent... The same amount should be added if your heating system is intermittent or has other efficiency disadvantages.
The calculation of the power of heating radiators can be carried out in three ways:
According to building codes and other rules, you need to spend 100W of power from your radiator per 1 square meter of living space. In this case, the necessary calculations are made using the formula:
C * 100 / R = K, where
TO- the power of one section of your radiator battery, according to the declared in its characteristics;
WITH- the area of the room. It is equal to the product of the length of the room and its width.
For example, a room is 4 meters long and 3.5 meters wide. In this case, its area is: 4 * 3.5 = 14 square meters.
The power of one section of the battery you have chosen is declared by the manufacturer to be 160 watts. We get:
14 * 100/160 = 8.75. the resulting figure must be rounded up and it turns out that such a room will require 9 heating radiator sections. If this is a corner room, then 9 * 1.2 = 10.8, rounded to 11. And if your heating system not effective enough, then again add 20 percent of the original number: 9 * 20/100 = 1.8 rounded to 2.
Total: 11 + 2 = 13. For a corner room with an area of 14 square meters, if the heating system works with short-term interruptions, you will need to purchase 13 sections of batteries.
Rough calculation - how many battery sections per square meter
It is based on the fact that heating radiators have certain dimensions during serial production. If the room has a ceiling height of 2.5 meters, then only one radiator section is required for an area of 1.8 square meters.
Counting the number of sections radiator for a room with an area of 14 square meters is equal to:
14 / 1.8 = 7.8, rounded up to 8. So for a room with a ceiling height of 2.5m, eight radiator sections are needed. It should be borne in mind that this method is not suitable if the heating device has a low power (less than 60W) due to the large error.
Volumetric or for non-standard premises
This calculation is used for premises with high or very low ceilings... Here, the calculation is based on the data that 41W power is required to heat one meter of a cubic room. For this, the formula is applied:
K = O * 41, where:
TO- required number of radiator sections,
O- the volume of the room, it is equal to the product of the height and the width and the length of the room.
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