Calculating the number of radiator sections

In preparation for the repair work and in the process of planning the construction of a new house it is necessary to calculate the number of radiator sections.The results of such calculations let you know the number of the batteries, which would be enough to ensure the apartment or house is warm enough even in the cold weather.

Calculating the number of radiator sections

Calculation procedure can vary depending on many factors.See instructions for rapid calculation for typical situations for the calculation of non-standard rooms, as well as the execution order of the most detailed and accurate calculations taking into account all possible relevant characteristics of your room.

Calculating the number of radiator sections

recommendations on the calculation in advance of

to independently calculate the right amount of heating sections of the battery, you must know the following parameters:

• size of the room, for which the calculation is performed;

  How to make the room froze

• capacity of the entire battery or else each of its sections.This information is contained in the technical documentation supplied by the manufacturer of the heating unit.
  

  sections calculation for radiators CONDOR

heat indicators, battery shape and material of its manufacture - the figures in the calculations do not take into account.

Important!Do not make payment immediately for the entire home or apartment.Spend a little more time and perform calculations for each room separately.The only way to get the most reliable information.In the process of calculating the amount of the battery section for heating the corner of the room to the final result you need to add 20%.The same margin need to throw on top, if the heating shortages appear or else its effectiveness is not enough for high-quality warm.

standard calculation radiators heating

Calculation radiators

begin training with consideration of the most often used method of calculation.It can hardly be considered the most accurate, but the simplicity of execution it definitely takes the lead.

standard calculation radiators

In accordance with this "universal" method for heating of 1 m2 of floor space needed 100W battery power.In this case, the calculation limited to a simple formula:

K = S / U * 100

In this formula:

• K - the required number of battery sections for heating the room under consideration;
• S - area of ​​the premises;
• U - the power of one section of the radiator.
  

  formula for calculating the number of radiator sections

For example, consider the procedure for calculating the required number of battery sections for room dimensions 4h3,5 m. The area of ​​the flat is 14 m2.The manufacturer claims that each section of the battery fired their outputs 160 watts of power.

substitute values ​​in the above formula, and we find that our room heating radiator sections need to 8.75.Rounding, of course, in a big way, ie9. If the room to the corner, add a 20% margin, rounded back, and get the 11 sections.If the heating system there are problems, we add another 20% to the originally calculated value.Received about 2. That is, in the amount of heating a 14-meter corner room in an unstable operation of the heating system will need 13 sections of the battery.

calculation of aluminum radiators

Approximate number of standard rooms

very simple version of the calculation.It is based on the fact that the size of the heating battery mass production is virtually identical.If the room height is 250 cm (standard value for most residential), one section of the radiator can heat a 1.8 m2 of space.

Room area is 14 m2.To calculate the value enough to share space on the previously mentioned 1.8 m2.The result is 7.8.Rounded up to 8.

Thus, in order to warm up the 14-meter room with 2.5-meter ceilings need to buy the battery on 8 sections.

Important!Do not use this method in calculating the aggregate low-power (up to 60W).The error is too large.

selection of radiators for thermal power

Calculation for non-standard rooms

This option is suitable for the calculation of non-standard rooms with too low or is too high ceilings.The basis of calculation laid claim according to which the warm-1 m3 of living space should be about 41 watts battery power.That is, the calculations are performed by a single formula, having this kind:

A = Bx 41,

where:

• A - the desired number of heating sections of the battery;
• B - the volume of the room.It is calculated as the product of the length of the room by its width and height.

For example, consider the room 4 m long, 3.5 m wide and 3 m high. It will amount to 42 m3.

general need of the space heating energy calculated by multiplying its volume in the previously mentioned 41 watts.Result - 1722 watts.For example, take the battery, each section that provides 160 watts of thermal power.The required number of sections calculated by dividing the total demand for heat output power to the value of each section.We obtain 10.8.As usual, rounded to the nearest whole number, ie,to 11.

Important!If you bought the battery is not divided into sections, divide the total heat demand on the capacity of the whole battery (indicated in the accompanying technical documentation).So you will know the right amount of heating radiators.

Estimates recommended rounded up for the reason that manufacturing companies often point to the power slightly greater than the actual value in the documentation.

Calculating the number of radiators for heating

as accurately calculate option

From the above calculations, we see that none of them is not perfectly accurate, sinceeven for the same space of even a little bit, but still different.

If you need maximum accuracy of calculations, use the following method.It takes into account many factors that can affect the efficiency of heating and other important indicators.

Overall calculation formula is as follows:

T = 100 W / m2 * A * B * C * D * E * F * G * S ,

• where T - the total amount of heatrequired to heat the room under consideration;
• S - area of ​​heated rooms.

remaining coefficients are in need of more detailed study.So, coefficient A takes into account the glazing premises.

glazing Features of the premises

following values:

• 1,27 for rooms with windows glazed with just the two panes;
• 1,0 - for rooms with windows fitted with double glazing;
• 0,85 - if the windows are triple-glazed.

factor takes into account in particular insulating walls premises.

Features thermal insulation of walls of the room

Dependence following:

• if inefficient insulation, is assumed to be 1.27;
• with good insulation (for example, if the walls are lined with brick in 2 or else deliberately insulated quality insulator), use ratio of 1.0;
• with a high level of insulation - 0.85.

C ratio indicates the ratio of the total area of ​​the window openings and the surface of the floor in the room.

total area ratio of window openings and the surface of the floor in the room

dependence looks like:

• at a ratio of 50% coefficient C is taken as 1.2;
• if the ratio is 40%, use the factor of 1.1;
• at a ratio equal to 30% of the value of the coefficient is reduced to 1.0;
• in the case of an even smaller percentage of 0,9 equal coefficients used (to 20%) and 0.8 (for 10%).

factor D indicates the average temperature in the coldest period of the year .

heat distribution in the room when using radiators

dependence looks like:

• if the temperature is -35 and below, is assumed to be 1.5;
• at temperatures up to -25 degrees value is 1.3;
• if the temperature does not drop below 20 degrees, the calculation is carried out by a factor of 1.1;
• residents of the regions where the temperature does not drop below -15, use the factor of 0.9;
• if winter temperature drops below -10, consider a coefficient of 0.7.

E ratio indicates the number of the external walls.

number of external walls

If one outer wall, using a coefficient of 1.1.When two walls increase it to 1.2;at three - 1.3;if the outer walls 4, using the coefficient of 1.4.

F factor takes into account the upstream room.Dependence is:

• if the above is not heated attic space, is assumed to be 1.0;
• if heated attic - 0.9;
• if the neighbor is on top of a heated living room, the ratio can be reduced to 0.8.

And the last factor formula - G - takes into account the height of the room.

room height

Procedure following:

• in rooms with a ceiling height of 2.5 m calculation is conducted using the coefficient equal to 1.0;
• if the room has a 3-meter-high ceiling, the ratio increased to 1.05;
• with a ceiling height of 3.5 m to reckon with the factor 1.1;
• room with 4-meter ceilings are calculated with a factor of 1.15;
• when calculating the amount of the battery section for heating 4.5 m high room rate increase to 1.2.

This calculation takes into account almost all existing nuances and to determine the required number of sections of the heater with the smallest error.At the end you will only divide Estimate heat a battery section (please specify in the attached data sheet) and, of course, found the number to round to the nearest integer in the direction of increasing.

Calculator radiator

For convenience, all of these parameters are listed in a special calculator for calculating radiators.It is enough to specify all required parameters - and click on the "Calculate" button once will give the desired result:

Consistently enter requested values ​​or select desired options in the proposed lists

Set the slider value floor space in m²

100 watts per square meter.m

How many exterior walls in the room?

one two three four

In what direction light look exterior walls

North, Northeast, East, South, Southwest, West

Specify the degree of warming of external walls

Exterior wallsnot insulated average degree of insulation of external walls have a high-quality insulation

Specify the average air temperature in the region in the coldest decade, the

- 35 ° C and below - 25 ° C to - 35 ° C to - 20 ° Cup to - 15 ° C is not less than - 10 ° C

Specify the height of the ceiling in the room

to 2.7 m 2,8 ÷ 3,0 m 3,1 ÷ 3,5 3,6 ÷ 4 m0 m more than 4.1 m

What is on location?

cold attic or unheated and insulated room insulated attic or other premises heated room

Specify the type of installed windows

ordinary wooden frames with double-glazed windows with a single-chamber (2 glasses) glazed windows with double-chamber (3 glasses)glazing or argon filled

Specify the number of windows in the room

Specify the window height, m ​​

Specify the width of the window, m

Select circuit connecting the battery

Specify the features of the installation of radiators

Radiator raspolzheny opened on a wall or is not covered sill Radiatorfully covered from above a window sill or shelf radiator is installed in a wall recess partially covered radiator front decorative radiator screen is completely closed decorative cover

below will be prompted for a nameplate capacity of the selected section of the radiator model.
If the purpose of the calculations is the definition of required total heat output for room heating (for example, to select non-separable radiators), then leave the field empty

Enter passport heat output of one section of the selected radiator model

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energy Saving Tips

Successful calculation!

Video - Calculation of the amount of radiator sections