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Reduce your heating bill by regulating and accounting for heat consumption with a heat charge splitter – locator

 

What is a heat charge allocator – allocator?

The allocator cannot measure how many kW*h; MW*h; whether GJ you have consumed for heating your apartment, it determines what part of the heat consumed by the house you have received. Heat charge splitter or allocator is an electronic device for recording the proportional heat output in a room. This principle was invented 100 years ago in Switzerland, but in 1981 the installation of allocators began in all residential buildings in Germany, where the energy crisis had begun. Allocator is a measuring device that uses two sensors to record the time and duration of the radiator temperature, what and how long the temperature difference between the radiator and the heated room has been from the first to the last date of the month. The allocator complies with the standard LVS EN 834. The allocator converts this information into sections - consumption units, which serve as a basis for calculation of heating costs. The whole inventory acquires physical meaning at the end of the month, when the readings of all heat cost allocators - allocators have been summarized and it is known how much the house has consumed in total. After performing a certain calculation, each apartment owner will receive an invoice according to their heat energy consumption. Each heating season heat charge divider - allocator starts counting units again, remembering the units listed for each month for the entire heating season.

 

Data (listed units, temperatures) are read remotely from the allocator and are displayed visually on the locator screen.

 

Heat charge locators - locators do not need to perform verification. The locator has autonomous power consumption, from a lithium battery. Allocator operation duration 10 + 1 year. The locator models we offer are protected against tampering, influencing readings - covering and opening.

 

Can it be implemented in my house?

 

Individual heat energy distributors can be installed in both new and previously built houses. However, in many previously built houses, it will be necessary to replace radiators and install thermostats beforehand. Modern radiators allow you to regulate the heating temperature in each room separately.

 

Is it worth investing money in such a reconstruction?

 

According to studies by European experts, the installation of regulators and locators in all apartments helps the house to save 13-20% of the total heat consumption. Of course, saving for the population only begins if the individual accounting system is properly installed and operating! In Latvia, the use of heat cost locators started in the early 2000s, saving the house over 25% of the total heat consumption.

 

Installation of heat charge distributors–locators

 

Multi-apartment residential buildings in all apartments simultaneously install heat charge dividers on all radiators - locators and radiators must be equipped with thermostats. When installing locators, the type, size, installation location (room) of each radiator are fixed, the heat transfer coefficient of the radiator is determined.

 

Individual heat accounting with heat charge allocators

 

When implementing individual heat metering, users receive individual heat consumption invoices, which reflect the heat consumption in each room. This makes it possible to optimize heat consumption and individually influence heat charges. For example, during absence, reducing the room temperature by only one degree reduces costs by about 5%.

 

Methodology

 

The individual calculation is performed according to a special methodology, which includes the heat output (evaluation) coefficient of each radiator, coefficients of room layout depending on the specific heat loss and proportional distribution. The total heat consumption of the building during the calculation period is divided into two proportional parts - the consumption-dependent part, which is determined by the sections listed by the locators, and the permanent part, which is determined by the area. The distribution ratio is determined depending on the average outdoor air temperature of the settlement period (month):

 

Average outdoor air temperature during the settlement period (per month), 0C

<-7,5

≥ -11

<-5,0

≥ -7,5

<-2,5

≥ -5,0

2,5

≥ -2,5

≤ 5,0

> 2,5

> 5,0

Consumption dependent part (listed with allocators)

70%

60%

55%

50%

40%

30%

Permanent part (depending on the area)

30%

40%

45%

50%

60%

70%

 

 

Average outdoor air temperature during the settlement period (per month), 0C

 

Consumption dependent part (listed with locators)

 

Permanent part (depending on the area)

 

or

 

without committing to the average outdoor temperature is divided into fixed costs, which are fixed, for example, regardless of the outdoor air temperature in the range of 30% - 40%, and the rest according to the consumption of the locators. Independent expenses are distributed in proportion to the area of ​​the apartment and include expenses for heating of common areas. Variable expenses are fully related to the amount of heat consumed by your apartment.

 

In objects (apartments) where one's own heating is used, heat energy consumption is calculated for heat losses in pipelines and the distribution of the fixed part of heating attributable to heat energy consumers is calculated.

 

Distribution of heating expenses by apartment location in the building

 

For apartments located on the ground floor, the upper, final apartments may be at a disadvantage from the point of view of heat loss. For these apartments, an independent expert - an energy auditor, or another person who is entitled to perform energy certification, may apply placement coefficients when performing heat energy calculations. They adjust the difference in thermal comfort between all apartments in the house. If design data for heat loss of a specific building or similar buildings are not available, we offer to use the simplified reduction coefficients that are applied to each apartment as a whole, according to the table:

 

Floor

Reduction factor

 

Corner apartment

Row apartment

Last

0,8 / 0,85

0,9

MIddle

0,9

1

First

0,8 / 0,85

0,9

 

 

Example of a 5-storey house:

 

0,8/0,85

0,9

0,9

0,9

0,9

0,9

0,9

0,9

0,8/0,85

0,9

1

1

1

1

1

1

1

0,9

0,9

1

1

1

1

1

1

1

0,9

0,9

1

1

1

1

1

1

1

0,9

0,8/0,85

0,9

0,9

0,9

0,9

0,9

0,9

0,9

0,8/0,85

 

 

 

Recommendations for economical use of heat energy

 

Equipping radiators with an automatic thermostatic valve for your comfort and heat economy.

 

The thermostatic valve complete with a thermal head allows you to regulate the temperature in each room individually. The thermostatic valve regulates the room temperature based on the room temperature, not the radiator temperature, and changes the heat supply to the radiator accordingly. By installing a thermostatic valve and setting the optimum room temperature on the thermal head, you will make optimal use of the heat emitted by electrical appliances (TVs, monitors, printers, ...), the oven, the stove, and people, reducing heating costs.

 

For example, setting the thermostat to "3" will maintain approximately +18 ... +20 C0 degrees in the room. If the room temperature reaches the set value, the thermostat will shut off the heat supply to the radiator.

 

Thermo heads are divided into: mechanically controlled; + electronically programmable - allows you to set the temperature of the room for each day and for a selected period of time; + remotely controlled - internet connection required.

 

Indoor temperature

 

Significant savings are obtained by changing the room temperature. In rooms that are not used or during absence, the temperature can be reduced to +16 ... +17 C0 degrees.

 

Ventilation. It is important to ensure adequate ventilation in the premises during the heating season. Prolonged opening of windows in ventilation mode is very wasteful, during which a lot of heat escapes through the window. To ensure effective ventilation, the window must be fully opened 2 to 4 times a day for 5 to 10 minutes. It is important to close the thermostat valve at this time to reduce heat consumption during ventilation.

 

Heat entering the room

 

It is not recommended to cover radiators, thermostats and allocators with curtains, furniture or otherwise. This increases heat consumption and lowers the room temperature. It is important to remember that the thermostat head must not be covered, as this will affect the comfort conditions in the room. By covering the allocators, you can increase the actual heat bill.

 

Many houses in Latvia are already equipped with individual accounting systems for heat consumed for heating. This means that each citizen pays only for the amount of heat he or she actually consumes. Keep the window wide open during the heating season - pay more! You have set the radiator correctly and do not live in tropical heat - pay less!

 

Excessive heat energy savings can lead to damage to apartment structures!

 

The optimal temperature in the apartments during the day is 20–22º C, at night the temperature is lowered (22.00 - 23.00) until the morning (5.00 - 6.00) to 16–17º C Reduce the room heating temperature at night by 1 degree - you will save up to 5% of heating at the expense of. If you reduce by 2-3 degrees, you will save up to 15% energy and sleep will be sweeter.

 

 

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