Basic rules for the calculation of radiators

How to calculate the radiators correctly? Calculation of power

Calculate the number of radiators simply, knowing their power, as well as the area of ​​the heated room. To do this, you need to get a calculator to calculate, a tape measure to measure the area of ​​the premises. Calculate the area easily, using a simple formula, known to everyone from school: the width of the room must be multiplied by its length.

To perform the calculation of radiators, and specifically to know the required power, you need to determine the following parameters:

1. The total area of ​​the apartment or house, the area of ​​individual rooms.
2. The height of the ceilings of the building( if it is the same in all rooms) and the height of the ceilings in each room( if the height of the ceilings is different).
3. Information about windows and doors.
4. Approximate minimum air temperature measured in winter.

Calculation of the radiator for the apartment and for the house are similar. There are rules in which it is said that every square meter of a room or building should be heated by 100 W of thermal energy. This value is considered initial and may vary.

This value is suitable for buildings with a ceiling height of 3 meters. If the altitude, for example, is 2.6 meters, the battery power is calculated by dividing 2.6 by 3. It receives 88 watts, which is enough to heat the square meter of the room.

Calculation of radiators changes if correction factors are applied. Such coefficients are applied in case if:

• - corner room( х 1,8);
• - in the room there is one huge or two small windows( x1, 8);
• - the battery is connected at the bottom( x1,1).

Calculation of radiators for heating is made for buildings in which wooden windows are installed. If the windows are metal-plastic - the value is multiplied by 0.8.

There is another way to calculate radiators. It is that you need to consider the volume of the room. You can calculate it by multiplying the height by the width and length of the room. For every 5m3 of the room, 200 W of heat should be used.

Calculating the number of

sections Calculating the radiators and finding out the optimum number of sections is quite simple. After determining the power, you need to choose a variety. Below is the procedure for calculating the number of sections for a cast iron battery. One section of such a battery should have a power of 180 watts.

Calculation process:

1. The base value is found. For example, for a room of 20m2 and a height of 3 meters, the base value is 2000W( 20x100).
2. The height correction is entered if it is not 3 meters. In our case, this item is not needed.
3. If the room is angular, 2000х1.8 = 3600W.
4. If there are 2 windows in the room, 3600х1,8 = 6480W.
5. If the windows are not wooden, 6480х0,8 = 5184W.
6. 5184/180 = 28.8.This means that you need 25 sections of the heating battery.

Everyone can count the radiators, but you need to remember that this calculation is approximate. For greater accuracy, a number of other factors need to be considered. These factors include the thickness of the walls, the presence or absence of insulation, the size of doors and windows. From the correctness of the selected number of sections depends on how warm and comfortable it will be in an apartment in the winter.