2023 **Author**: Philip Bishop | [email protected]. Last modified: 2023-08-25 07:54

- Benefits of using heat meters
- The main types of heat meters
- Design features of metering devices
- Electromagnetic heat meters
- Tachometric heat meters
- Ultrasonic meters
- How is the calculation made for a heat meter in an apartment
- Calculation No. 1
- Calculation No. 2
- Calculation No. 3
- Calculation No. 4
- Calculation No. 5
- Video selection on the topic of heat meters

High prices for utilities are forcing residents to install a heat meter in the apartment. By all accounts, these devices reduce costs and save money for the family budget. Payment in most cases is charged according to established standards, but the actual consumption is significantly less. Meters will help owners to pay monthly only upon consumption. The real savings reach 40-50%.

## Benefits of using heat meters

Tariffs are formed on the basis of average consumption indicators, which are often higher than real figures. If you install heat meters for heating for an apartment, then it will be possible to control this expense item and regulate the temperature in the room at any time of the year.

The meter will allow you to take readings every month and pay only for the volume that was used to heat the living space.

## We draw the attention of consumers that since 2018 each individual metering device must undergo verification with the obligatory entry of the result of the verification into the Federal Information Fund for Ensuring the Uniformity of Measurements at ROSSTANDART. Website

The real benefits of using meters:

- Manual or automated temperature control in the apartment.
- Setting up the heating system for specific needs.
- Simplified diagnostics and maintenance.

When using meters, it makes sense to install thermostats to regulate the temperature. In addition to saving money, they will help create the most comfortable conditions for all family members. This is especially true for spring and autumn, when the weather is warm for a long time.

Let's make a reservation right away that the most profitable option for using a heat meter is when horizontal piping with one input and one meter is installed. As a rule, these are modern new buildings.

Installing a heat meter will not bring much savings, but it allows you to control and save within reasonable limits the amount of heat consumed. In simple words: reducing the air temperature in the room by 1 ° C (this can be done using a thermostat on heating devices) allows you to reduce heating costs by 5-6%.

## The main types of heat meters

How much a heating meter costs depends on the design features and type. Apartments usually use not one device, but a whole set. It consists of the following elements:

- Thermal sensors.
- Electronic elements that calculate the amount of heat energy consumed.
- Instruments that control flow and pressure.

The delivery set is selected for each object individually. Experts must calculate and assess the condition of the heating system so that the meters work properly.

According to the field of application, metering devices are divided into two main types:

- Brownies (installed on a private house or commercial facility).
- Apartment (designed individually for the same owners in an apartment building).

In private homes, systems are often complex and ramified, so a whole set of sensors and additional devices is required. The cost of a meter for heating in an apartment for a long period of operation depends on this.

The principle of operation depends on the design features. They are divided into several main types:

- Electromagnetic.
- Mechanical.
- Ultrasonic.
- Vortex.

They have technical features and characteristics suitable for certain areas of application. The devices cope with the tasks in full in homes or other facilities.

## Design features of metering devices

Modern meters for heating radiators in an apartment are connected depending on the type. Heat consumption is measured by several methods - turbine, vortex or electromagnetic.

Design features of metering devices:

- Small diameter passage channel - no more than 20 mm.
- Heat measurement range - from 0.6 to 2.5 m
^{3}/ hour. - The heat carrier is water.

Such devices are often found in apartments where the owners want to measure the consumption of thermal energy. Utilities often do not bring temperatures up to standard but require full payment. Paying for heating in an apartment by meters will help save money.

All the necessary calculations can be obtained due to the interaction of two elements:

- Thermal energy calculator.
- Hot water consumption meter.

Together they help to obtain the necessary data. The devices can be installed on any heating system without complicated manipulations.

#### Work principles

Many begin to use heat meters for heating in an apartment, how such a system works is not clear to everyone. The principle of operation can be described as follows:

- The heat calculator is connected to a water meter.
- The temperature sensor is connected via two wires to the calculator.
- The wires are connected to the supply and output pipelines.
- The device records the volume of the passing heat carrier (water).
- The heat meter calculates the consumed heat.

The principle of operation of such a device is based on taking into account the temperature difference between the incoming and outgoing coolant. As a result, it is possible to find out how much energy has gone directly to the radiator. The methods are fully tested, therefore they give accurate results with an error of no more than 1-2%.

To get the most accurate results, it is important to select and connect the right equipment.

Experts install heat meters in an apartment with vertical wiring and connect all devices properly. They connect an additional meter to an existing water meter, and using wires, temperature sensors to the existing pipeline.

Features of work:

- The volumes of hot water supplied to the heating system are taken into account.
- The temperature is recorded on the incoming and outgoing pipes.
- The amount of heat received by the radiator is calculated.

This is the easiest way to find out the volume of heat consumption. Experts should ask how much a heat meter costs for an apartment that meets all standards.

### Electromagnetic heat meters

Electromagnetic heat meters are one of the most convenient and accurate instruments for large apartment buildings. The principle of operation is based on electromagnetic induction. Inside the device there are magnets that create a magnetic field through which the coolant in turn passes. Since water is a dielectric, an electric current is generated. The higher the fluid flow rate, the stronger the current. Special devices record this indicator and calculate the amount of heat.

Electromagnetic heat meters calculate heat power and heat energy based on data on the volumetric flow rate and volume of the coolant, temperatures in the forward and return pipelines, taking into account the change in the heat capacity of the coolant when the temperature difference at the inlet and outlet changes.

The principle of operation of an electromagnetic meter:

- The design is based on magnets that form a magnetic field.
- When the water passes through, an electric current is generated.
- Special devices read the characteristics of the current and calculate the volumes of liquid that passed through the radiators.

The main advantage of electromagnetic is the minimal interference with the system. They do not require significant intervention in the created heating system and do not affect the water pressure in the pipes. The price of an electromagnetic heat meter is quite high.

### Tachometric heat meters

Devices of this type are the most common and affordable. The principle of operation is quite simple, and the design is based on a mechanical impeller. In some cases, a small turbine is used.

The principle of operation is as follows:

- The device is connected to the heating system.
- The heating medium (hot water) flows through the turbines or impeller.
- The blades are set in motion at a certain speed.
- The hot water volume is calculated depending on the rotation speed.

Installation of individual heat meters in an apartment is performed with additional elements - pressure and resistance sensors, thermometers and flow meters. Together they create a system that works for a long time and takes into account the volume of the consumed heat carrier.

Mechanical heat meters have some disadvantages:

- The need to use water purification filters.
- Marked pressure drop (hydraulic loss).
- Sensitivity to the quality of the coolant.

Hard water will shorten the service life of the appliances. Experts recommend installing such elements only in systems with stable and high pressure so that losses are not noticeable.

Devices of this type are sensitive to operating conditions, so it is important to follow all the rules during installation. In apartment buildings with radiators, additional resistance may arise, affecting the accuracy of the final results. The meters are also sensitive to the coolant. A large amount of iron in the water distorts the heat calculation for heating an apartment or house.

### Ultrasonic meters

Devices using the ultrasonic measurement method are more expensive and complex. They help to comply with the standards for heating in the apartment, and the calculation is highly accurate. The principle of operation is based on measuring the speed of ultrasonic waves passing through the coolant. The meter consists of a transmitter and a receiver, which must be installed correctly.

- Emitter and receiver are located opposite each other.
- The ultrasonic waves constantly pass through the coolant in the pipeline.
- The speed of passage varies depending on the volume of water.
- The device automatically calculates the flow rate.

Based on the readings obtained, it is possible to calculate the amount of consumed thermal energy.

Devices of this type are popular and recommended in housing and communal services. The design is good because it does not affect the water pressure. The measurement accuracy remains at a high level, since there are practically no factors affecting the measurement features. The only important requirement is installation in sufficiently long pipe runs. The ultrasonic method is sensitive to water quality - dirt and scale alter the readings of the device.

The flow meter of an ultrasonic heat meter is made in the form of a smooth measuring channel equipped with a receiver and a transmitter of an ultrasonic signal - the pulse transit time is recorded by a calculator to determine the flow rate and flow rate of the working medium in the heating system. The absence of moving elements, reliable operation, immunity to contaminated environments, high measurement accuracy at low consumption are the characteristic features of ultrasonic meters for apartment heat metering.

The price of models of ultrasonic heat meters for heating is 5-37 thousand rubles.

If you plan to carry out heating calculations using an individual meter in an apartment, you must conclude an agreement with the utilities. For the operation of devices, technical conditions are developed, and the installation is carried out by qualified specialists. After installation, the representative of the housing office or HOA will seal the meter, and only in this case the management company will take the readings.

## How is the calculation made for a heat meter in an apartment

In order to make the information on calculating the amount of payment for heating more understandable, we will consider each method of calculating the payment separately, using one or another calculation formula for a specific example. When choosing a calculation option, it is necessary to pay attention to all the components that determine the calculation method.

### Calculation No. 1

#### An apartment building does not have a common (collective) metering device, while the payment is calculated during the heating season

If a common house (collective) metering device for heat energy is not installed on an apartment building, the calculation of the amount of payment for heating in your apartment (residential building) during the heating period should be made according to the formula No. 2 of Appendix No. 2 of the Rules approved by the Decree of the Government of the Russian Federation of 06.05. 2011 No. 354, based on:

- The total area of your apartment;
- Heating utilities consumption rate;
- Heat tariff approved for your region and provider of this service.

#### Formula number 2

P _{i} = S _{i} x N ^{T} x T ^{T}, Where:

S _{i} - the total area of your living quarters (apartment);

N ^{T} is the standard for the consumption of communal heating services;

T ^{T} is the heat tariff set for your region and service provider.

#### Calculation example:

There is **no common** house **metering device** for heat energy (heating) in your house. The calculation of the amount of payment for heating is made only **during the heating season**.

##### Calculation data:

- The total area of your apartment is 62 square meters (m
^{2}); - The consumption rate for heating for your region is set at 0.02 gigacalories per 1 square meter of the total area;
- The heat tariff for your region and service provider is 1,600 rubles per 1 gigacalorie.

##### Heating bills for your apartment will be calculated in the following order:

62 m ^{2} x 0.02 GKL x 1 600 rubles. = RUB 1984.00

Thus, the payment for heating in your apartment during the months of the heating period will be 1984.00 rubles.

### Calculation No. 2

#### An apartment building does not have a common (collective) metering device, while the calculation of the amount of payment is carried out evenly throughout the calendar year

If a common house (collective) metering device for heat energy is not installed on an apartment building, the calculation of the amount of payment for heating in your apartment (residential building) during the calendar year should be made according to the formula No. 2 (1) of Appendix No. 2 of the Rules approved by the Decree of the Government of the Russian Federation dated 06.05.2011 No. 354, based on:

- The total area of your apartment;
- Heating utilities consumption rate;
- The coefficient of the frequency of payments by consumers for utility services for heating;
- Heat tariff approved for your region and provider of this service.

#### Formula 2

P _{i} = S _{i} x (N ^{T} x K) x T ^{T},

Where:

S _{i} - the total area of your living quarters (apartment);

N ^{T} is the standard for the consumption of communal heating services;

K is the coefficient of the frequency of payment by consumers for utility services for heating, equal to the number of months of the heating period, including incomplete months;

T ^{T} is the heat tariff set for your region and service provider.

It should be noted that according to the Government Decree of August 27, 2012 No. 857, the value of K - the coefficient of the frequency of payment by consumers, is determined by dividing the number of months of the heating period in a year by the number of calendar months in a year. In this case, the heating utilities are charged in each billing period of the calendar year.

#### Calculation example:

There is **no common** house **metering device** for heat energy (heating) in your house. The calculation of the amount of payment for heating is carried **out throughout the entire calendar year**.

- the total area of your apartment is 62 square meters;
- the heating consumption standard for your region is set at 0.02 gigacalories per 1 square meter of the total area;
- heat tariff for your region and service provider is RUB 1,600 per 1 gigacalorie;
- the coefficient of the frequency of payment by consumers is 0.583 (that is, the number of months of the heating period in your region - 7 months must be divided by the number of months in a year - 12 months: 7/12 = 0.583).

##### Heating bills for your apartment will be calculated in the following order:

62 m2 x (0.02 Gl x 0.583) x 1 600 rubles. = 1,156.67 rubles.

Thus, the monthly payment for heating in your apartment for the entire calendar year will be - 1156.67 rubles.

### Calculation No. 3

#### A common house (collective) metering device is installed on an apartment building, not all residential and non-residential premises are equipped with individual metering devices for heat energy, the calculation of the amount of payment is carried out only during the heating season

If a common house (collective) metering device for heat energy is installed on an apartment building, and not all residential and non-residential premises are equipped with individual metering devices for heat energy, the calculation of the amount of payment for heating in your apartment (residential area) during the heating period should be made according to the formula No. 3 of Appendix No. 2 of the Rules approved by the Decree of the Government of the Russian Federation dated 06.05.2011 No. 354, based on:

- The volume of heat energy determined according to the readings of the general house metering device;
- The total area of your apartment;
- The total area of all residential and non-residential premises in an apartment building;
- Heat tariff approved for your region and provider of this service.

#### Formula number 3

V ^{D} - the volume (amount) of thermal energy consumed according to the indications of the general house (collective) metering device;

S _{i} - the total area of your apartment;

S _{about} - the total area of all residential and non-residential premises in an apartment building;

T ^{T} is the heat tariff set for your region and service provider.

#### Calculation example:

A **common** house **metering device** for heat energy (heating) is **installed in** your house. Individual metering devices for heat energy are absent in all premises of an apartment building. The calculation of the amount of payment for heating is made only **during the heating season**.

- The amount of heat energy, determined according to the readings of the general metering device for January 2018, is 150 gigacalories;
- The total area of your apartment is 62 square meters;
- The total area of residential and non-residential premises in the house is 6,000 square meters;
- The heat tariff set for your region and service provider is 1600 rubles per 1 gigacalorie.

#### Heating bills for your apartment will be calculated in the following order:

150 x 62/6000 x 1600 = 2,480.00 rubles.

Thus, the heating fee for your apartment for January 2018 will be - 2,480.00 rubles.

### Calculation No. 4

#### A common house (collective) metering device is installed on an apartment building, not all residential and non-residential premises are equipped with individual metering devices for heat energy, calculation of the amount of payment evenly throughout the entire calendar year

If a common house (collective) metering device for thermal energy is installed on an apartment building, and not all residential and non-residential premises are equipped with individual metering devices for thermal energy, the calculation of the amount of payment for heating in your apartment (residential area) during the heating period should be made according to the formula No. 3 (1) of Appendix No. 2 of the Rules approved by the Decree of the Government of the Russian Federation of 06.05.2011 No. 354, based on:

- Average monthly volume of heat energy consumed for heating needs for the previous year;
- The total area of your apartment;
- Heat tariff approved for your region and provider of this service.

#### Formula number 3

P _{i} = S _{i} x V _{T} x T ^{T}, Where:

S _{i} - the total area of your apartment;

V _{T} is the average monthly volume of heat energy consumed for heating needs in the previous year. This volume is calculated based on the readings of the general house metering device with which the apartment building is equipped, the number of months in a year and the total area of all residential and non-residential premises in an apartment building;

T ^{T} is the heat tariff set for your region and service provider.

#### Calculation example:

A **common** house **metering device** for heat energy (heating) is **installed in** your house. Individual heat energy meters are not installed in all premises of an apartment building. The calculation of the amount of payment for heating is carried out only **during the entire calendar year**.

- The amount of thermal energy, determined according to the readings of the general house metering device for 2016, is 750 gigacalories;
- The total area of residential and non-residential premises in the house is 6,000 square meters;
- The total area of your apartment is 62 square meters;
- The heat tariff set for your region and service provider is 1600 rubles per 1 gigacalorie.

#### Heating bills for your apartment will be calculated in the following order:

First of all, the average monthly volume of heat energy for the previous year is calculated:

750 HL / 12 months / 6000 m2 = 0.011 HL.

#### Then the monthly heating bill for 2018 is calculated:

62 m2 x 0.011 x 1600 = 1,091.20 rubles.

Thus, the monthly heating fee for your apartment during 2018 will be - 1,091.20 rubles.

It should be noted that when calculating the amount of the fee in this way, that is, using the average monthly readings of the general house meter for the previous year, in the first quarter of the year following the calculated one, it is necessary to adjust the amount of the fee.

This means that in the first quarter of 2018, you will be charged or debited additional fees, depending on the actual readings of the general metering device for 2018.

#### Correction of the size of the board in this case is made according to the formula No. 3 (2) based on:

- The size of the board based on the readings of the general house meter for the billing year;
- The total area of your apartment;
- The total area of all residential and non-residential premises in an apartment building;
- The total amount of payment for heat energy for the previous year for your apartment.

#### Formula No. 3 (2)

Where:

P _{kiпр} - the amount of payment for the utility service for heating, determined based on the readings of the collective (common house) meter installed in an apartment building, for the past year;

S _{i} - the total area of your apartment;

S _{about} - the total area of all residential and non-residential premises in an apartment building;

P _{fn.i} is the total amount of utility _{bills} for heating in your apartment for the past year.

#### An example of an adjustment calculation:

- The amount of thermal energy, determined according to the readings of the general house meter for 2018, is 850 gigacalories.
- The total area of residential and non-residential premises in the house is 6,000 square meters.
- The total area of your apartment is 62 square meters.
- The heat tariff set for your region and service provider is 1600 rubles per 1 gigacalorie.
- The amount of heating payment for the previous year for your apartment is 1,091.20 rubles. x 12 months = 13,094.40 rubles.

#### The calculation of the size of the adjustment will look like this:

850 hl x 1600 rub. = 1,360,000 rubles. - the size of the payment for heating in your house for the whole of 2018 according to the indications of the general house metering device.

1,360,000 x 62 / 6,000 - 13,094.40 rubles. = RUB 958.93

So the amount of 958.93 rubles. is subject to additional accrual on your apartment in the first quarter of 2018, since the actual accrued amount for 2018 is less than the amount of the fee determined according to the readings of the general house meter.

It should be noted that if the total amount of the fee, determined according to the actual readings of the general house metering device, is less than what was charged to you during the billing year, then in the first quarter of the month following the billing one you will have to make a calculation for this service, that is, reduce the amount of the fee …

For example, with all the same indicators in the example above, we will only change the size of the fee for 2018 based on the readings of the general house metering device. It will be equal to 700 Gl.

#### Then the board size adjustment will look like this:

700 hl x 1600 rub. = RUB 1,120,000 - the size of the payment for heating in your house for the whole of 2018 according to the indications of the general house metering device.

RUB 1,120,000 x 62 m2 / 6000 m2 - 13 094.40 rubles. = - 1521.07 rubles.

The amount to reduce the size of the payment according to the adjustment for your apartment will be 1,521.07 rubles.

### Calculation No. 5

#### To calculate the amount of payment for a utility service for heating when equipping an apartment building with a common (collective) metering device and individual ones in all residential and non-residential premises of an apartment building, one formula is used when calculating the amount of payment for heating during the heating period and when calculating the amount of payment throughout the calendar of the year

In order to make the calculation more understandable, we will analyze each case separately.

#### So, the procedure and example when calculating the amount of payment for heating only during the heating season

#### A common house (collective) metering device is installed on an apartment building, all residential and non-residential premises are equipped with individual metering devices for heat energy, the amount of payment for heating is calculated only during the heating season

If a common house (collective) metering device for heat energy is installed on an apartment building, and all residential and non-residential premises are equipped with individual metering devices for heat energy, the calculation of the amount of payment for heating in your apartment (residential area) during the heating period should be made according to formula No. 3 (3) Appendix No. 2 of the Rules approved by the Decree of the Government of the Russian Federation dated 06.05.2011 No. 354, based on:

- The amount of heat energy determined according to the readings of your individual metering device;
- The volume of thermal energy consumed according to the indications of the general house metering device in all premises, with the exception of thermal energy consumed in all residential and non-residential premises;
- The total area of your apartment;
- The total area of all residential and non-residential premises in an apartment building;
- Heat tariff approved for your region and provider of this service.

#### Formula No. 3 (3)

Where:

V _{i} ^{n} - the volume (amount) of heat energy consumed for the billing period in your apartment, determined according to the indications of an individual or general (apartment) meter.

V _{i} ^{one} - the volume (amount) of thermal energy provided during the billing period to an apartment building equipped with a collective (common building) metering device for thermal energy, with the exception of the volume (amount) of thermal energy consumed in all residential or non-residential premises in an apartment building, which determined by the formula:

Where:

V ^{d} - the volume (amount) of thermal energy consumed for the billing period in an apartment building, determined according to the indications of a collective (common house) meter, S _{i} - the total area of your apartment;

S _{about} - the total area of all residential and non-residential premises in an apartment building;

T ^{T} - the tariff for heat energy, established in accordance with the legislation of the Russian Federation.

#### Calculation example:

A **common** house **metering device** for heat energy (heating) is **installed in** your house. **Individual metering devices for heat energy are installed** in all rooms of the apartment building. The calculation of the amount of payment for heating is carried out **during the heating season**.

- The amount of heat energy consumed by your apartment in January 2018 is 1.2 Gl.
- The amount of heat energy, determined according to the readings of the general house meter for January 2018, is 65 gigacalories.
- The amount of heat energy consumed in all residential and non-residential premises in January 2018 is 53 Gl, according to the readings of individual metering devices.
- The total area of residential and non-residential premises in the house is 6,000 square meters.
- The total area of your apartment is 62 square meters.
- The heat tariff set for your region and service provider is 1600 rubles per 1 gigacalorie.

#### Heating bills for your apartment for January 2018 will be calculated in the following order:

First of all, the amount of heat energy provided for the billing period to an apartment building is calculated, with the exception of the amount of heat energy consumed in all residential or non-residential premises in an apartment building, that is, the value -

65 hl - 53 hl = 12 hl.

#### Then the heating bill for your apartment is calculated in January 2018:

(1.2 Gl + 12 Gl x 62 m2 / 6000 m2) x 1600 rubles. = RUB 2118.40

Thus, the heating fee for your apartment for January 2018 will be 2,118.40 rubles.

#### And now, the procedure and an example when calculating the amount of heating bills for the entire calendar year

#### A common house (collective) metering device is installed on an apartment building, all residential and non-residential premises are equipped with individual metering devices for heat energy, the amount of payment for heating is calculated throughout the entire calendar year

If a common house (collective) metering device for thermal energy is installed on an apartment building, and all residential and non-residential premises are equipped with individual metering devices for thermal energy, the calculation of the amount of payment for heating in your apartment (residential area) during the entire calendar year should be made according to the formula No. 3 (3) of Appendix No. 2 of the Rules approved by the Decree of the Government of the Russian Federation of 06.05.2011 No. 354, based on:

- Average monthly volume of heat energy, determined according to the indications of your individual metering device for the previous year;
- The average monthly volume of heat energy consumed according to the indications of the general house metering device in all premises, with the exception of heat energy consumed in all residential and non-residential premises, for the previous year;
- The total area of your apartment,
- The total area of all residential and non-residential premises in an apartment building;
- Heat tariff approved for your region and provider of this service.

#### Formula No. 3 (3)

Where:

V _{i} ^{n} - the volume (amount) of heat energy consumed for the billing period in your apartment, determined based on the average monthly readings of your individual or general (apartment) meter for the previous year.

V _{i} ^{one} - the volume (amount) of thermal energy provided during the billing period to an apartment building equipped with a collective (common building) metering device for thermal energy, with the exception of the volume (amount) of thermal energy consumed in all residential or non-residential premises in an apartment building, which determined by the formula:

Where

V ^{d} - the volume (amount) of thermal energy consumed for the billing period in an apartment building, determined based on the average monthly readings of a collective (common house) meter for the previous year;

S _{i} - the total area of your apartment;

_{about} - the total area of all residential and non-residential premises in an apartment building;

T ^{T} - the tariff for heat energy, established in accordance with the legislation of the Russian Federation.

#### Calculation example:

A **common** house **metering device** for heat energy (heating) is **installed in** your house. **Individual metering devices for heat energy are installed** in all rooms of the apartment building. The calculation of the amount of payment for heating is carried **out throughout the entire calendar year**.

- The amount of heat energy consumed in your apartment based on the average monthly readings of your individual meter for the previous year is 0.7 Gl.;
- The amount of heat energy, determined by the average monthly readings of the general house metering device the previous year, is 44 gigacalories;
- The amount of thermal energy consumed in all residential and non-residential premises is 40 Gl, based on the average monthly readings of individual metering devices for the previous year;
- The total area of residential and non-residential premises in the house is 6,000 square meters.
- The total area of your apartment is 62 square meters;
- The heat tariff set for your region and service provider is 1600 rubles per 1 gigacalorie.

#### Heating bills for your apartment on a monthly basis throughout the entire calendar year will be calculated in the following order:

First of all, the amount of heat energy provided for the billing period to an apartment building is calculated, with the exception of the amount of heat energy consumed in all residential or non-residential premises in an apartment building, that is, the value -

44 hl - 40 hl = 4 hl.

#### Then the monthly heating fee for your apartment is calculated:

(0.7 hl + 4 hl x 62 m2 / 6000 m2) x 1600 rubles. = 1,186.13 rubles.

Thus, the monthly payment for heating in your apartment during the entire billing year will be - 1186.13 rubles.

It should be noted that when calculating the size of the fee in this way, that is, using the average monthly readings of the general house and individual metering devices for the previous year, in the first quarter of the year following the calculated one, it is necessary to adjust the amount of the fee.

This means that, for example, in the first quarter of 2019, you will be charged or debited a fee, depending on the actual readings of general house and individual metering devices for 2018.

#### Adjustment of the size of the board in this case is made according to the formula No. 3 (4) based on:

- The size of the board based on the actual readings of the general house and individual metering devices for the billing year;
- The size of the payment based on the average monthly volumes of general house and individual metering devices, calculated for the year.

#### Formula No. 3 (4)

P _{i} = P _{kpi} - P _{npi}, Where:

P _{kpi} - the amount of payment for heat energy consumed over the past year in your apartment, determined according to formula 3 (3) based on the readings of your individual or common (apartment) meter and the readings of the collective (common house) meter of heat energy.

Р _{npi} - the amount of payment for heat energy, calculated for the past year for your apartment, determined by formula 3 (3) based on the average monthly volume of heat energy consumption for the previous year.

#### An example of an adjustment calculation:

- The amount of payment for heat energy consumed in your apartment based on actual readings of individual and common house (collective) metering devices for the year is 14,000 rubles;
- The amount of payment for heat energy consumed in your apartment based on the average monthly readings of individual and general house (collective) metering devices for the year is 13,000 rubles.

#### The calculation of the size of the adjustment will look like this:

RUB 14,000 - 13,000 rubles. = 1,000 rubles.

So the amount of 1,000 rubles. is subject to additional accrual for your apartment in the first quarter of 2019, since the actual accrued amount for 2018 is less than the amount of the fee determined according to the indications of individual and general metering devices.

It is worth noting that if the total amount of the fee, determined according to the actual readings of individual and general house metering devices, is less than what was charged to you during the billing year, then in the first quarter of the month following the billing you will have to make a charge for this service, that is, reduce the size of the board.

For example, with all the same indicators in the example above, we will only change the size of the fee for 2018 based on the readings of an individual and general metering device. It will be equal to 11,500 rubles.

#### Then the board size adjustment will look like this:

RUB 11,500 - 13,000 rubles. = RUB 1,500

The amount to reduce the amount of payment for heating according to the adjustment for your apartment will be 1,500 rubles.

## Video selection on the topic of heat meters

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