It’s essential to select the correct heating radiators for your house if you want to maintain warm and cozy living areas during the winter. Radiators are important for efficiently and uniformly dispersing heat, so choosing the right kind and size for each room is crucial. The secret to achieving the best heating performance, whether you’re remodeling your entire home or just upgrading your heating system, is knowing how to select radiators based on the size of each room.

There is no one-size-fits-all solution when it comes to choosing radiators. The amount of heat needed in a room varies according to its size, insulation, and use. Larger rooms with high ceilings, for example, might need larger radiators to warm the room efficiently, while smaller rooms might need smaller radiators that warm the room just enough without becoming too hot. You can select radiators that are appropriate for your home’s heating requirements by taking into account the unique features of each room.

It’s critical to evaluate each room’s heat loss before choosing a radiator. The amount of heat needed in a room to maintain a comfortable temperature can vary depending on factors like window size, insulation quality, and outside temperature swings. You can find the right radiator size and heat output required to make up for heat loss and maintain a warm and comfortable environment by performing a heat loss calculation for each room.

The style and design of radiators that best fit the aesthetics of your home are also important considerations. There are many different types of radiators, ranging from sleek modern designs to classic cast iron radiators. Choosing radiators that complement your interior design not only improves your home’s aesthetic appeal but also adds to its overall atmosphere. Every taste and interior design scheme can be accommodated by a radiator style, whether you favor modern chic or classic elegance.

In addition, it’s critical to investigate various radiator kinds and their heating capacities in order to select the best choice for every room. While underfloor heating systems, column radiators, towel radiators, and standard panel radiators are frequently utilized for general heating, these alternatives provide special advantages and features. You can make well-informed decisions based on your heating preferences, financial constraints, and available space by being aware of the advantages and disadvantages of each type of radiator.

To sum up, selecting heating radiators that meet the unique needs of every room is crucial to attaining the best possible heating efficiency and comfort in your house. By taking into account variables like the size of the room, heat loss, design choices, and type of radiator, you can choose radiators that not only efficiently provide warmth but also improve the atmosphere of your living areas.

House Area | Recommended Radiator Type |

Small (up to 100 sq ft) | Compact Panel Radiators |

Medium (100-200 sq ft) | Convector Radiators |

Large (200+ sq ft) | Column Radiators |

- Calculation of heating radiators by area
- How to calculate the sections of the radiator by the volume of the room
- Correction of results
- Walls and roofs
- Climate factors
- Calculation of different types of radiators
- Adjustment depending on the heating system mode
- The dependence of the radiator power on the connection and location
- Determining the number of radiators for single -pipe systems
- Calculation of the number of sections of heating radiators: analysis of 3 different approaches + examples
- Calculation by the area of the room
- Calculations depending on the volume of the room
- What to do if you need a very accurate calculation?
- Calculation of heating radiators
- Called calculations
- Ways to calculate radiators
- Video on the topic
- Calculation of heating radiators Part 1
- How many sections of the radiator are needed per square meter?
- How to calculate the power of heating radiators and heat loss of the house. How to choose a heating radiator.
- Simple calculation of the power of the heating radiator

## Calculation of heating radiators by area

The simplest method. Determine how much heat is needed for heating by calculating the area of the room where the radiators will be placed. You are aware of each room’s dimensions, and the SNiP construction standards can help you assess whether heat is necessary:

- For the average climatic strip for heating 1m 2 dwelling, 60-100W is required;
- For areas above 60 O required 150-200W.

You can determine how much heat your room will need based on these norms. For heating area 16 m 2, if the residence is in the middle climate lane. 1600W of heat will be required (16*100 = 1600). We think 100W is necessary because the norms are average and the weather is not particularly consistent. However, you have soft winters if you live south of the average climatic strip (count 60W each).

The SNiP norms can be used to calculate the heating radiators.

Heating requires a power supply, but not a very big one—as the amount of power needed grows, so does the number of radiators. Also, the system contains more coolant the more radiators there are. If this is not a problem for people who have central heating, then for people who have or plan to have individual heating, the system’s large volume means high coolant heating costs and high system inertia (the maintained temperature is not as precisely maintained). And so it makes sense to ask, "Why pay more?"

We can determine the number of sections that will be needed after calculating the requirement for the premises in the warmth. The passport specifies the maximum temperature at which each heating device can detect heat. Divide the requirement for warmth by the radiator power. The number of sections needed to make up for losses is the outcome.

We figure out how many radiators are needed in that same space. We came to the conclusion that 1600W must be allotted. Allow one section to have 170W of power. 1600 divided by 170 equals 9.411 pieces. At your discretion, you can round in the greater or lesser direction. For smaller spaces, you can be rounded out in the kitchen, where there are plenty of extra heat sources. For larger spaces, a room with a balcony, a big window, or a corner room are preferable.

Although the system is straightforward, it has several obvious drawbacks, such as the inability to account for various ceiling heights, different materials for the walls, windows, and insulation, among other things. As a result, the number of heating radiator sections on SNiP has been estimated roughly. You have to adjust for the precise outcome.

## How to calculate the sections of the radiator by the volume of the room

Because you must heat every inch of the space, this computation takes into consideration both the area and the height of the ceilings. Therefore, this strategy makes sense. And the method is the same in this instance. After calculating the room’s volume, we calculate how much heat the space requires to be heated based on standard procedures:

- In a panel house, 41W is required to heat a cubic meter of air;
- In a brick house on M 3 – 34W.

- In a panel house. The heat required for heating is 43.2m 3 *41V = 1771.2W. If you take the same sections with a capacity of 170W, we get: 1771W/170W = 10.418pcs (11 pcs).
- In a brick house. Heat is needed 43.2m 3 *34W = 1468.8W. We count radiators: 1468.8W/170W = 8.64pcs (9pcs).

The discrepancy is noticeable: 11 pieces versus 9 pieces. Additionally, they obtained an average value of 10 points when calculating the area, if the rounds were done in the same direction.

## Correction of results

You must consider as many variables that affect heat loss as you can in order to obtain a more accurate calculation. This includes the type of material the walls are made of, how insulated they are, the size and type of glazing on the windows, how many walls in the space face the outside, and so on. To calculate these coefficients, the room’s calculated heat loss must be multiplied.

The size of the heat loss determines how many radiators are needed.

15% to 35% of heat loss occurs through the windows. The size and level of insulation of the window determine the exact number. Consequently, there are two matching coefficients:

- The ratio of the window area to the floor area:

- 10% – 0.8
- 20% – 0.9
- 30% – 1.0
- 40% – 1.1
- 50% – 1.2

- Three -chamber double -glazed window or argon in a two -chamber double -glazed window – 0.85
- Normal two -chamber double -glazed window – 1.0
- Ordinary double frames – 1.27.

### Walls and roofs

The kind of wall, the level of thermal insulation, and the quantity of walls extending into the street are crucial factors to take into consideration when calculating losses. The coefficients for these factors are shown here.

- Brick walls of two brick thickness are considered the norm – 1.0
- insufficient (absent) – 1.27
- Good – 0.8

The existence of exterior walls:

- Inner room – without loss, coefficient 1.0
- One – 1.1
- Two – 1.2
- Three – 1.3

Whether or not a room is heated affects how much heat escapes. If the heated attic is 0.9 and the inhabited heated room (such as the second floor of the house, another apartment, etc.), the reducing coefficient is 0.7. It is widely acknowledged that temperature B and (coefficient 1.0) are unaffected by an unheated attic.

In order to accurately determine the number of radiator sections, consideration must be given to the climate and features of the premises.

If the computation was done along the area and the ceiling heights are non-standard (a height of 2.7 m is used as the standard), the coefficient is used to determine a proportionate increase or decrease. It’s regarded as simple. Divide the actual ceiling height in the space by the standard 2.7 meters to arrive at this measurement. Obtain the intended coefficient.

As an example, we compute 3.0 meters for the ceiling height. The result is 3.0m/2.7m = 1.1. Thus, the number of radiator sections—which was determined using this room’s area—needs to be multiplied by 1.1.

These coefficients and norms were all established for apartments. You must raise the result by 50%, or the coefficient for a private house, in order to account for the heat loss of the house through the roof and the basement/foundation.

### Climate factors

Depending on the typical wintertime temperature, you can:

Get a more precise estimate of the number of radiators needed for heating by making all the necessary adjustments and accounting for the specifics of the space. However, there are other factors as well that influence thermal radiation power. We will discuss technical details in more detail below.

## Calculation of different types of radiators

There should be no problem calculating the number of sectional radiators if you plan to install standard-sized radiators (with an axial distance of 50 cm height) and have already selected the material, model, and desired size. The majority of reliable companies that offer high-quality heating equipment have technical documentation for every change, including thermal capacity. Transferring to power is straightforward if coolant flow rate is indicated rather than power: one kilowatt-hour (1000 watt-minute) of heat carrier consumption is roughly equivalent to one kW of power.

The height between the centers of the holes for the coolant supply and display determines the radiator’s axial distance.

On numerous websites, a specially created calculator program is installed to make life easier for users. The computation of the heating radiator sections then comes down to filling in the relevant fields on your property with data. Also, you will find a ready-made result at the exit: the total number of sections in pieces that make up this model.

The coolant hole centers are used to calculate the axial distance.

However, if you are merely speculating about potential solutions for the time being, it is important to keep in mind that radiators of the same size made of various materials have varying thermal powers. There is no variation in the process used to determine how many sections of bimetallic radiators to use when calculating aluminum, steel, or cast iron. One section’s thermal power is the only variable that can vary.

You can navigate by averaged data, which made counting easier. The following power values for a single radiator section with an axial distance of 50 cm are accepted:

- Aluminum – 190W
- Bimetallic – 185W
- Cast iron – 145W.

You can use these data if you are simply unsure about which material to select. For the sake of clarity, we provide the simplest calculation for bimetallic heating radiator sections, wherein the room’s area is the only consideration.

It is acknowledged that one section can heat 1.8 m 2 areas when calculating the number of heating devices from a standard bimetal (the center distance of 50 cm). The required room size is then 16 m^2 / 1.8 m^2 = 8.88 pieces. We need nine sections after rounding.

We also account for steel or cast-iron ramers. Norms are all that are required.

- Bimetallic radiator – 1.8m 2
- aluminum-1.9-2.0m 2
- cast iron-1.4-1.5m 2 .

This is data for sections with an interdose distance of 50cm. Today there are models on sale from a very different height: from 60cm to 20cm and even lower. Models of 20cm and below are called curb. Naturally, their power is different from the specified standard, and if you plan to use Non -Tandart, you will have to make adjustments. Either look for passport data, or count yourself. We proceed from the fact that the heat transfer of the heat device directly depends on its area. With a decrease in height, the area of the device decreases, which means that the power is reduced in proportion. That is, you need to find the ratio of the heights of the selected radiator with the standard, and then with this coefficient to adjust the result.

Cast-iron heating radiator calculation. can be taken into account by the room’s size or volume

We’ll compute aluminum radiators by area for clarity’s sake. The 16 m 2 room remains the same. The number of standard-sized sections is calculated as follows: 16 m 2 /2 m 2 = 8 pcs. However, we wish to use 40 cm high tiny sections. The ratio of the chosen size radiators to the standard is 50 cm/40 cm = 1.25. We now modify the quantity to 10 pieces (8 pieces * 1.25).

## Adjustment depending on the heating system mode

The maximum power of the radiators is indicated by the manufacturers in the passport data: for high-temperature use, the coolant should be 90 °C in the supply and 70 °C in the return (90/70) in the room, with a recommended quantity of 20. However, contemporary heating systems hardly ever operate in this mode. Typically, 75/65/20 or even low temperature with parameters of 55/45/20 is used for the average capacity mode. It is evident that the adjustment calls for the computation.

You must ascertain the system’s temperature and pressure in order to adjust the operating mode. The difference in temperature between the air and the heating elements is known as temperature pressure. In this instance, the average arithmetic of the feed and return values is used to determine the temperature of the heating devices.

In order to accurately determine the number of radiator sections, consideration must be given to the climate and features of the premises.

To make the calculation of cast-iron heating radiators for the two modes—high temperature and low temperature—sectional sections (50 cm) should be made more understandable. The space remains the same: 16 meters. 1.5 m 2 is heated by one cast-iron section in the high-temperature mode 90/70/20. We thus require 16 m 2 / 1.5 m 2 = 10.6 pieces. Witch: eleven pieces. The system is designed to operate in the 55/45/20 low temperature regime. Now, determine each system’s temperature and pressure:

- High-temperature 90/70/20- (90+70)/2-20 = 60 O C;
- low-temperature 55/45/20-(55+45)/2-20 = 30 o C.

In other words, you will require twice as many sections to ensure the premises of heat if the low-temperature mode of operation is used. In our example, 22 sections of cast-iron radiators are needed for the 16 m 2 room. Big extracts a battery. It is not advised to use these kinds of heating devices in networks with low temperatures for this reason, incidentally.

You can account for the desired air temperature with this calculation. Simply determine the desired coefficient and compute the thermal pressure in this scenario if you want the room to be, say, 25 °C instead of 20 °C. For the same cast-iron radiators, let’s create everything: the parameters will come out to be 90/70/25. In this case, we take into account the temperature pressure of (90+70)/2-25 = 55 o C. The ratio of 60 O C to 55 O C is now found to be 1.1. A temperature of 25 °C requires 11 * 1.1 = 12.1 pieces.

## The dependence of the radiator power on the connection and location

Apart from the previously mentioned radiator heat transfer parameters, there are additional variations based on the type of connection. When there is no heat loss and the supply is coming from above, the diagonal connection is thought to be ideal. A side connection is associated with the highest losses, at 22%. The others are only mediocrely effective. The figure provides an approximate percentage indication of the loss.

Radiator heat loss varies based on connection

When obstacles are present, the radiator’s actual power is decreased. For instance, heat transfer is reduced by 7-8% if the windowsill is hanging on top and by 3-5% if it does not fully cover the radiator. Losses from installing a mesh screen that is not in contact with the floor are similar to those from overconducting windows, ranging from 7 to 8%. However, there is a 20–25% reduction in heat transfer if the screen closes all the way.

The installation determines how much heat is produced.

The installation site determines how much heat is produced.

## Determining the number of radiators for single -pipe systems

There is another very important point: all of the above is true for a two -pipe heating system. When a coolant with the same temperature comes to the input of each radiator. A single -pipe system is considered much more complicated: there, for each subsequent heating device, the water enters the whole more cold. And if you want to calculate the number of radiators for a single -pipe system, you need to recalculate the temperature each time, and this is difficult and long. Which exit? One of the possibilities is to determine the power of radiators as for a two -pipe system, and then proportionally to add thermal power to add sections to increase the heat transfer of the battery in general.

The more cold water enters each radiator in a single-pipe system.

Let us explain the example. The diagram shows a single -pipe heating system with six radiators. The number of batteries was determined for two -pipe wiring. Now you need to make adjustment. For the first heating device, everything remains still. The second one is already the coolant with lower temperature. We determine the % drop in power and increase the number of sections to the corresponding value. In the picture it turns out like this: 15KV-3KV = 12 kW. We find the percentage ratio: the drop in temperature is 20%. Accordingly, for compensation, we increase the number of radiators: if it was needed 8pcs, it will be 20% more – 9 or 10pcs. This is where you know the knowledge of the room: if it is a bedroom or a nursery, round you in a greater direction, if the living room or other similar room, round you on a smaller. Take into account the location relative to the cardinal points: in the north, round to a large, in the southern – into the smaller.

You must add sections to single-pipe systems that are situated on the radiator branch on a branch.

This method is clearly not perfect: after all, it turns out that the latter in the battery branch will have to have just huge sizes: judging by the scheme, the coolant with the specific heat of its power is supplied to its input, and it is unrealistic to remove all 100% in practice. Therefore, usually when determining the power of the boiler for single -pipe systems, a certain supply is taken, shut -off valves are placed and radiators are connected through the bypass so that the heat transfer can be adjusted, and thus compensate for the drop in the temperature of the coolant. One of this follows one thing: the number or/and the size of the radiators in the one -pipe system must be increased, and as they move away from the start of the branch, put more and more sections.

The number of heating radiator sections can be quickly and easily calculated. However, clarification necessitates time and attention depending on the location, size, kind of connection, and all other aspects of the premises. However, you can choose how many heating appliances to use in order to create a cozy winter atmosphere.

## Calculation of the number of sections of heating radiators: analysis of 3 different approaches + examples

For every homeowner, accurately calculating heating radiators is a crucial task. The room won’t warm up during winter colds if not enough sections are used, and the cost of buying and maintaining too-large radiators will be excessively high. As a result, you must understand how to calculate heating radiators when installing a new heating system or replacing an old one. You can use the simplest calculations for standard rooms, but in order to get the most accurate result, it is occasionally necessary to account for various nuances.

## Calculation by the area of the room

The area of the room for which radiators are being purchased can be the focus of the initial computation. This is a very basic calculation that works well in rooms with 2.40–2.60 m ceilings. As per the construction standards, a room requiring heating will require 100 watts of thermal power per square meter.

We figure out how much heat the entire space will require. This is accomplished by multiplying the area by 100 watts, or 20 square meters, in this case. Two kW, or two thousand watts, will be the computed thermal capacity (20 kV.m x 100 W).

To ensure that there is enough heat in the house, heating radiator calculations must be done correctly.

This outcome needs to be split into the manufacturer-specified heat transfer of a single section. For instance, in our scenario, the necessary number of radiator sections will be: if it is 170 watts.

Given that the result needs to be rounded to the nearest whole number, 2000 W / 170 W = 11.76, or 12. Generally, rounding is done in the direction of increase; however, you can round the lesserway in rooms where heat loss is lower than average, like the kitchen.

Make sure you account for potential heat loss based on the particular circumstances. Naturally, heat loses more quickly in a room with a balcony or in a building that is positioned in a corner. In this instance, a 20% increase in the room’s computed thermal power value is necessary. If it is intended to mount the radiators in a niche or conceal them behind the screen, then the calculations should be increased by about 15% to 20%.

Additionally, we created this calculator to make counting easier for you:

## Calculations depending on the volume of the room

If you compute the heating radiator sections by the room volume, for example, and account for the height of the ceiling, you will get more precise results. This case follows the same general principle as the preceding one. The total amount of heat required is determined first, followed by the number of radiator sections.

The room’s thermal energy requirement must be increased by 15% to 20% if the radiator is obscured by the screen.

41 watts of thermal power are required, per SNiP recommendations, to heat one cubic meter of living space in a panel house. We multiply the total volume by this normative value after multiplying the area of the room by the ceiling height. The amount of heat required in apartments with contemporary double-glazed windows and external insulation is reduced to 34 watts per cubic meter.

For instance, we figure out how much heat is needed in a 20 square meter room with a three meter ceiling. The room will have a volume of 60 cubic meters (20 kV x 3 m). In this instance, the computed thermal power will be 2460 watts (60 cubic meters x 41 W).

How do you figure out how many heating radiators there are? Divide the data that was received into the heat transfer that one section’s manufacturer specified in order to accomplish this. Assuming 170 watts, as in the previous example, the required amount of power for the room is 2460 W / 170 W = 14.47, or 15 radiator sections.

Producers make an effort to overstate the heat transfer indicators of their goods, implying that the coolant temperature in the system will reach its highest point. Since this requirement is rarely met in practice, you should concentrate on the product passport’s minimum indicators of one section’s heat transfer. As a result, the computations will be more precise and realistic.

Choosing the right radiators for your home"s heating system is crucial for ensuring warmth and efficiency. When considering radiators, it"s essential to match the size and heat output of the radiators to the area they"ll be heating. Factors such as room size, insulation, and personal preference all play a role in this decision. Larger rooms or those with poor insulation may require radiators with higher heat outputs, while smaller rooms or well-insulated spaces may need less powerful options. Additionally, the style and design of the radiators should complement your home"s decor while still providing sufficient heat. By understanding your heating needs and considering these factors, you can select radiators that effectively and efficiently keep your home warm and cozy throughout the year.

## What to do if you need a very accurate calculation?

Regretfully, not all apartments can be regarded as typical. Private residential structures are more affected by this. So, how do you figure out how many heating radiators you need while accounting for each one’s unique operating conditions? Numerous variables will need to be considered in this.

The height of the ceiling, the quantity and size of windows, the existence of wall insulation, etc., must all be considered when determining the number of heating sections.P.

This method’s peculiarity lies in the fact that several coefficients are used to account for a room’s unique features that may have an impact on the amount of heat energy it can retain or produce. This is how the calculation formula appears:

* P * K1 * K2 * K3 * K4 * K5 * K6 * K7 = 100W/kV.m.

CT: the quantity of heat needed in a specific room; P is the room’s square footage; K1 is the coefficient that accounts for window opening glazing:

- for windows with ordinary double glazing – 1.27;
- for windows with double glass packet – 1.0;
- For windows with triple glass packet – 0.85.

K2 is the walls’ coefficient of thermal insulation:

- low degree of thermal insulation – 1.27;
- good thermal insulation (masonry in two bricks or a layer of insulation) – 1.0;
- High degree of thermal insulation – 0.85.

K3 is the proportion of the room’s floor to window area:

K4 is a coefficient that lets you account for the typical air temperature during the year’s coldest week:

- for -35 degrees -1.5;
- for -25 degrees -1.3;
- for -20 degrees -1.1;
- for -15 degrees -0.9;
- for -10 degrees -0.7.

K5 – modifies the requirement for heat by considering the quantity of exterior walls:

K6 – the type of room accounting, situated above:

- cold attic – 1.0;
- heated attic – 0.9;
- Heated housing – 0.8

K7 is the coefficient that accounts for ceiling height:

Nearly all the subtleties are included in this calculation of the number of heating radiators, which is predicated on a fairly precise assessment of the thermal energy required by the space.

It is still necessary to round the result to the whole number and divide it by the heat transfer value of one radiator section.

Some manufacturers provide a quicker method for receiving a response. You can find a handy calculator made specifically for these calculations on their websites. To use the program, fill in the relevant fields with the required values. A precise result will then be displayed. You can also use specialized software.

They didn’t consider our radiators or whether they were getting close to our house when they got the apartment. However, a replacement was eventually needed, and this is where they started to emerge from a scientific perspective. Given that it was evident the old radiators’ capacities were insufficient. Twelve is sufficient, they decided after doing all the calculations. However, you still need to consider the current situation. If Tets performs poorly and the batteries are just a little bit warm, nothing will save you.

The final formula for a more precise computation is preferred, however it’s unclear what the coefficient K2 means. How can the level of wall thermal insulation be ascertained? As an illustration, a 375mm Penoblock "Grace" wall Is this degree low or average? And will it still be average or high if you add 100 mm of dense construction foam outside the wall?

Okay, the last formula makes sense and accounts for the windows, but what if the room has an external door? And if this is a garage with three 800 by 600 windows, a 205 by 85 door, and 3000 by 2400 sectional garage gates that are 45 mm thick?

If I were to do it for myself, I would add a regulator and more sections. And presto! We are already far less at the mercy of the TPP’s whims.

## Calculation of heating radiators

- Called calculations
- Ways to calculate radiators
- Selection of bimetallic radiators

There are always some computation-related issues with private construction. This also holds true for figuring out the heating system. The secret to comfort and heat in the house is proper component selection. However, a number of problems occur during the design of a specific heating system, all of which have easy fixes.

The radiator heating scheme.

## Called calculations

It is important to remember that the type of heating system selected has a significant impact on both the heating system’s efficiency and proper operation. Nevertheless, this indicator is influenced by a multitude of other parameters. Among these are:

The power of heating radiators is calculated.

- the correct choice of the power of the boiler;
- the correct choice of the power of the circulation pump;
- The correct choice of the number of radiators.

Depending on which parameter is subject to detailed study, the corresponding calculation is performed. For example, calculation of the power of a gas boiler or circulation pump.

Furthermore, heating radiator calculations are frequently required. Accompanying this operation should be the simultaneous calculation of the house’s thermal losses.

Considering how closely related the aforementioned procedures are to one another, it is preferable to complete them all at once.

This makes sense given that selecting a pump can be highly error-prone, especially after determining the necessary quantity of batteries, for instance. This occurs when the pump is unable to provide all radiators with the minimal quantity of coolant that is needed.

Go back to the contents table.

## Ways to calculate radiators

Therefore, it makes sense to start with the battery calculation. The bare minimum required quantity of them can vary depending on multiple factors at once:

Installation plan for heating radiators.

- the area of the room;
- ceiling heights;
- the material of the walls, the presence of holes, the number of windows, that is, from the thermal losses of the house.

The calculation made using the following formula can be regarded as the most straightforward since it ignores many of the aforementioned factors:

- K – the required number of battery sections;
- P – the total area of the heated room for which the selection is carried out;
- M1 – power of one section.

The difference is multiplied by 100 in the formula. This person did not take any action. Annual experience demonstrates that approximately 100 watts of power is required for a heated room with a single unit area (1 sq. m) to maintain a standard temperature regime.

It is important to note that this indicator may have a value of 50 watts for non-residential buildings that require heating.

One constant—the heating power of one section—must be included in order to perform the selection in accordance with the formula. It can, of course, also be calculated, but it takes a while and is fairly complex.

Due to the fact that all cast-iron heating batteries have roughly the same dimensions, the average power value—roughly 150 watts—was determined through years of practice.

Now that you have all the information, you can determine how many radiator sections are needed.

But this is just the most basic formula. Since every room has unique thermal loss indicators, the formula with extra coefficients is typically used. A coefficient of 1.2 is added, for instance, if the room is angular and has two external walls.

The view will then be obtained by the formula:

The room should be 9 kV.m. in size and have two external walls. It should be situated in the middle of the house. The right heating elements must be chosen for a particular space.

K therefore equals (9/150)*100*1.2 = 7.2, or eight sections.

It should be noted that this computation is accurate for ceiling heights up to 2.7 meters only. It should be mentioned that calculations based on room volume were made more accurately.

The same idea serves as the foundation for the second approximation computation. For a considerable amount of time, it has been calculated that one battery section can heat 1.8 kV.m of the room. Furthermore, this number only applies to ceilings that are no higher than 2.7 meters.

Go back to the contents table.

The energy efficiency and comfort of your home can be greatly affected by the heating radiators you choose. You can make an educated choice that meets your unique needs by taking into account elements like the size of your rooms, your heating requirements, and the amount of money you have to work with.

Determine the size of each room that needs to be heated first. Radiators with greater heat output may be needed in larger rooms to guarantee uniform warmth distribution. On the other hand, fewer or smaller radiators can provide sufficient heating in smaller spaces.

Next, think about how much heat each room needs. For instance, larger windows or inadequate insulation in rooms that lose a lot of heat may necessitate the use of radiators with higher heating capacities. On the other hand, less powerful radiators might be needed to maintain a comfortable temperature in well-insulated rooms.

The radiators’ style and design are another important consideration. Radiators not only add to the functionality of your home but also to its aesthetic appeal. Select radiators that offer effective heating and blend in with your interior design.

Additionally, consider the limitations of your budget. Radiators come in a variety of forms, from conventional panel radiators to more sophisticated choices like underfloor heating systems or column radiators. Establish a budget that fits your requirements and look into options that fall within that range.

Finally, if you’re not sure which heating radiators to choose, get professional advice. Specialists in heating can evaluate the heating needs of your house and suggest the best solutions based on budget, insulation levels, and room size. You can choose heating radiators for your home that maximize comfort and energy efficiency with careful thought and professional assistance.

## Video on the topic

### Calculation of heating radiators Part 1

### How many sections of the radiator are needed per square meter?

### How to calculate the power of heating radiators and heat loss of the house. How to choose a heating radiator.

### Simple calculation of the power of the heating radiator

**What type of heating you would like to have in your home?**