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Metering, bills, maintenance and efficiency: clear engineering guides for building managers and residents.

Engineering guides

23 GUIDES
Fundamentals

How does central heating work?

The journey of heat from the plant room to your apartment.

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Fundamentals

What does a heat meter measure?

Understanding energy, volume and temperature displays.

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Fundamentals

Choosing an ultrasonic heat meter

Consider pipe size, flow range, installation and communication together.

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Fundamentals

Heat meters and heat cost allocators

Radiator-based allocation compared with energy measurement at the apartment inlet.

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Fundamentals

How to read a meter

Record the period difference using the right unit and dates.

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Maintenance and systems

Meter batteries and error codes

Protect reading records when a battery warning appears.

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Saving energy

Using a thermostatic radiator valve

The setting indicates a target room temperature rather than a flow rate.

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Bills and rules

How are heating costs allocated?

Read the common share and measured consumption separately.

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Bills and rules

Heating costs for an empty apartment

An unused apartment remains connected to the shared heating system.

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Bills and rules

The 15°C rule and measurement

Minimum room temperature and the common cost share are separate concepts.

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Bills and rules

Does closing a radiator remove the bill?

Consider measurement, the common share and minimum temperature together.

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Bills and rules

Understanding tiered natural gas pricing

Gas pricing and allocation between apartments are different stages.

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Bills and rules

A checklist for an unexpectedly high bill

Separate the effects of unit price, consumption and allocation.

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Metering technology

M-Bus, RF and remote reading

Choose communication to suit the existing infrastructure.

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Maintenance and systems

Planning meter inspections

Start with the verification mark and the current regulation.

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Maintenance and systems

Maintaining records during meter replacement

Keep the old final reading and the new initial reading.

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Maintenance and systems

Why is a radiator not heating?

Distinguish a single-radiator problem from a building-wide issue.

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Saving energy

Plant room efficiency

Measurement, controls and maintenance belong in one plan.

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Saving energy

Consider insulation and heating together

Review losses through the building envelope and distribution system.

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Saving energy

Measurable savings in your apartment

Monitor comfort and measure the effects of small changes.

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Maintenance and systems

Converting vertical and horizontal distribution

Review the distribution layout before choosing a device.

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Bills and rules

Moving from central to individual heating

Technical suitability, owner decisions and approvals must be assessed together.

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Bills and rules

When should central heating operate?

Assess building conditions rather than assuming one fixed calendar date.

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THE RIGHT START FOR YOUR BUILDING

Your building.
Let us assess it together.

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IMPORTANT INFORMATION

Information on Tiered Natural Gas Pricing and Heat Cost Allocation

Following BOTAŞ’s announcement dated 3 April 2026, within the framework of the Energy Market Regulatory Authority (EPDK) and BOTAŞ regulations, tiered pricing for residential consumers took effect on 4 April 2026.

Under this scheme, the government subsidy varies by consumption tier, increasing the price paid per cubic metre. Depending on the region and consumption level, the difference in unit costs between Tier 1 and Tier 2 ranges from 60% to 80%.

Although total natural gas bills issued to buildings have increased, no changes have been made to the Regulation on the Allocation of Heating and Domestic Hot Water Costs in Central Heating and Hot Water Systems. Accordingly, costs continue to be calculated and allocated using individual unit meter readings and the building’s current natural gas invoice amount.

SOURCES

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