Compulsory heat meters

Compulsory heat meters

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When it comes to mandatory heat accounting there legislationreference is the legislative decree 102/2014 published in the Official Gazette. The legislation provides that centralized heating systems in condominiums are equipped with individual heat meters (or heat meters). News and adjustments for 2020.

If in the condominium with central heating they have not yet been installed systems for mandatory heat metering it is advisable to act promptly. Like? Requesting the immediate convocation of the condominium assembly so as to begin to establish which professional to appoint and contact the company which will then install the thermostatic valves and perform the ancillary works.

Metering of heat in condominiums

There mandatory heat accounting it only concerns the condominiums. According to the icondominiumsare required to install a system ofheat accountingso as to allow a more adequatebreakdown of expenditurelinked to heating. Each individual tenant will only be able to pay for the heating they have actually consumed. The measure requires the installation of a heat metering system attached to thermostatic valves placed on each individual radiator of each home.

Who is it for?
The mandatory installation of thermoregulation and heat metering systems is aimed at buildings served by a centralized heating system. The adjustment is up to allcondominiums that have a central heating system. Condominiums with independent heating system will not have to make any additions.

How heat meters work and what they are for

The accounting system records the actual consumption. How does it work? The thermostatic valves, installed on each radiator of the various homes, are able to control and regulate the temperature, monitoring the energy invested to heat the different rooms. This energy comes like this quantifiedand each real estate unit will only support the cost of the energy used for its heating.

For the condominium, the boiler always remains centralized, however each inhabitant can choosewhen to turn on and when to turn off the heating, whether to increase or decrease the temperature ... always within the legal limits (20 ° C on average).

Distribution of expenses with the fixed fee

Normally the most thermally efficient condominiums opt for a subdivision of the total costs referred to the annual consumption for heating (therefore maintenance, boiler costs, fuel costs, any assistance contracts) to an extent of 30% as a share divided through the thousandth shares is the remaining 70% based on the distribution of the actual heat consumption of each housing unit on the total.

If the building is not well insulated and there are large heat losses, theassembly of the condominium may propose changes to the distribution of percentages by increasing that to be divided according to thousandths, but generally not more than 50%. The approval of the breakdown takes place with the favorable vote of the majority of those attending the meeting representing at least 500/1000.

Extension and remote reading

Theremandatory heat accountinghad to be in force from 2014 however, extension after extension, the regulation arrived at 30 June 2019. The first extensions had postponed theobligationto 2017 and then to 2018, however, further measures set the deadline for the summer of 2019. There were no further extensions for 2020 and the terms of the legislation are now effective.

Indeed, from 2020 there are interesting news for those who install a heat meter. In fact, from 2020, all the new ones heat meters installed will need to be remotely controlled, and from 2027 also those already installed previously will have to be modified and equipped with the remote reading system. This is the provisions of the new European directive 2018/2002 of 11 December 2018 and confirmed by the European Commission on energy saving.

Sanctions and controls

According to sector studies, only one property out of two has complied with the installation of heat metering systems and complied with compliance. For owners of buildings and condominiums who have not adapted, a fine is envisaged which, depending on the case, ranges from 500 to 2,500 euros. The fine, therefore, will fall on both the condominium and the single defaulting owner.

Who enforces the legislation? The Regions have begun to organize themselves with the registers, however each reality is equipping itself differently in order to enforce the obligation to install the heat metering system. For example, Emilia Romagna and Tuscany have set up special registers while the other regions have delegated the controls to the municipalities when the municipality in question has more than 40,000 inhabitants, the smaller municipalities, on the other hand, will be managed by metropolitan cities.

How much does it cost to install heat meters?

The condominium administrators will have to bring different estimates to the attention of the condominiums. The company in charge must provide for:

  • Install the thermostatic valves and distributors
  • Adapt the thermal power plant
  • Test the system

These works must be carried out from mid-April to mid-October, that is when the centralized heating system is turned off. Altroconsumo estimates see costs that vary according to the number of real estate units in the condominium. In summary:

  • Building of 20/30 real estate units: 7-8 thousand euros
  • Condominium of 30/60 real estate units: 9-10 thousand euros
  • Building of about 100 real estate units: 11-12 thousand euros

In larger condominiums and in special cases, the required interventions are also added:

  • Installation of the electronic pump for modulating the water circulation power
  • Addition of the dirt separator and water softener

For a house of 80 square meters, to install the system mandatory heat accountingthe cost for each condominium is about 120 euros. To this expense must be added the costs to adapt the circulation pumps of the condominium system from fixed to variable flow. In addition, every year, thereading of the heat meterit costs about 5 euros per family.


Despite the costs, to comply with thethermoregulation and heat accountingprovides several long-term benefits, both in terms of better sharing of expenses and in terms of improving consumption. The thermostatic valves they help reduce energy waste related to heaters. For more information: how to save on heating.

Other info: compulsory heat conatbilization for condominiums

Video: HEAT. COOL DIRECT METERING contabilizzazione diretta del calore HEAT METERS, CONTATORI DI CALORE (July 2022).


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