How to calculate the number of radiators: calculation

18-05-2018
Heating

When installing heating equipment on your own you will have to carry out all the work yourself. In this review, we will consider this option as an online calculator - how to calculate the number of radiators with its help and what criteria should be considered first. In fact, the work is not difficult if you understand all the features of the process.

In the photo: many developers the greatest difficulty is precisely the design work

What factors are most important during the work

Even if you use an automated method of calculation, this does not guarantee the accuracy of the result, since it depends entirely on the initial data that you enter. In general, the following are the most important:

Accuracy of measurements In no case should not determine the parameters of the room on the eye, as it is unlikely you will be able to accurately measure the length, width and height. As for the technical documentation, its data can also not always be believed, sometimes the actual data differ from the values ​​reflected in the structure plan.
Features of the region If you live in the northern or southern areas, then the generally accepted calculation options, which are designed for average latitudes, will not work for you. Of course, the particularities of a particular area are best known to specialists; it is from them that one needs to know which correction should be applied to the average result, most often the total figure is simply multiplied by a certain factor.
Type of building Some buildings are insulated so badly that it is necessary to make the heating more powerful by 50%, in other cases the insulation was very carefully made and energy-saving double-glazed windows were used. Both options also require amendments to the total, which will give you a calculator
Temperature conditions in the system Another very important factor, as the instruction manual for each radiator reflects its heat transfer at a certain temperature, but often the coolant does not heat up to the desired figure. Accordingly, the actual capacity of radiators is reduced.

Note! Also, the choice of the optimal type of radiators for a particular system is important. If we are talking about an apartment building, the best choice would be bimetal or cast iron, and for individual systems, steel or aluminum would be the best solutions.

For areas with harsh and long winters, high power heating systems are needed.

Features of the settlement work

Now we will look at how the process of determining the required power of the system looks like and how to make the final result as accurate as possible.

Primary settlement

The process is as follows:

  • First of all, you select a calculator - let's figure out how to calculate heating radiators below, now it is important to choose a reliable resource with good reviews in order to be sure of the reliability of the program and the correctness of its work.
A quality program takes into account a number of important factors, you just need to enter them and specify the type of radiators to get the final result
  • After selecting a program, we recommend that you familiarize yourself with its functionality - you can click on individual graphs, enter test data, nothing terrible will happen, but you will be much better oriented in the system, which also has a positive effect on the correctness of calculations.
  • Then you can begin to measure, using a tape measure, determine the length, width and height of all the rooms for which calculations will be made. The results are recorded on a piece of paper, after which you can proceed to the next stage.
  • It is necessary to enter additional information, in our case it is the type of glass pack or glass packs installed in the room, the quality of insulation of external walls, the ratio of the area of ​​walls and windows, the lowest week of the year, the number of walls going out, and the type of radiators used. As you can see, the information is quite extensive, it is necessary to achieve the highest possible accuracy.
The easiest way to detect the most intense heat leak locations is to invite a specialist with a thermal imager.
  • Now you need to accurately and accurately make all the data. As practice shows, with the use of such a calculation with your own hands, errors and miscalculations are most often obtained due to incorrect data entry, so do not confuse anything to eliminate the possibility of an inaccurate calculation.
  • The results obtained for the premises are marked, after which you can proceed to the next stage, which is also important and must be carried out.

Adjustment of the final result

To figure out how to calculate how many radiators you need, you need to take into account several other important factors:

  • Battery connection type, This important factor is missed by many; meanwhile, it noticeably affects the heat transfer of the system. Therefore, it is important to decide in advance which of the options will be used in your case, if the installation work has not yet begun.
This diagram shows how many percent of the declared power will be the heating radiators.
  • Another very important factor is the location of the radiators., from this, their heat transfer also varies quite a lot. In addition, the distance from the floor and the window sill to the battery should be at least 10 cm, it is also important that it is located. The diagram below shows the most common options and indicates how the efficiency of the heating system varies.
The location of the elements is also very important.
  • You must also take into account the heat loss of the room through the floor, This is especially true of private houses, where often the space under the foundation is not filled with anything, therefore, in the winter, quite a lot of heat is lost through this part of the structure. According to the calculations of specialists, up to 15% can be lost this way, the diagram below shows the main indicators so that you understand how important high-quality insulation is in homes.
High-quality thermal insulation will significantly reduce your heating costs.

As you can see, the work is quite capable of even those who have never performed such calculations, you will not only be able to cope with the process, but also save considerable funds, since the price of the services of specialists is quite high.

Tip! It is recommended to always add 10-15% of the reserve to the total, this will ensure high-quality heating under any conditions, especially since it will not cause energy waste.

Conclusion

The video in this article will tell you about some important nuances of the process we reviewed in more detail and clearly. In fact, if you carefully carry out the measurements, carefully enter the data and take into account all the additional criteria, you are guaranteed to get an accurate result.