• Consumption monitoring
  • Consumption monitoring

Consumption monitoring

HVAC applications and control

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An increasing number of initiatives at European and national level require the provision to end-users of timely and detailed information on the consumption of the building. This corresponds to the need to make end-users more aware of their own behaviour and to start a virtuous process to reduce waste of resources in buildings.

The driving principle of EU initiatives is that energy efficiency should be considered as a real energy source; in other words, increased energy efficiency and better demand management should be put on the same level of generation capacity.

As far as the thermal energy is concerned, the metering of consumption and possible local production with solar systems is particularly important, given that in residential buildings the room heating and the production of domestic hot water account on average for about 80% of the final consumption of energy; to this must be added the consumption of energy for summer air conditioning.

Directive 2006/32/EC initially identified the widespread use of smart metering systems as a key action to improve energy efficiency.

Directive 2012/27/EU also required that end customers of electricity, natural gas, district heating and cooling and hot water for domestic use receive individual meters of actual consumption; its transposition in Italy with Legislative Decree no. 102 of 2014 has led to the installation by the end of 2016 in buildings with central heating generation (or served by a district heating network) of individual heat meters or allocators.

Directive 2018/2002/EU finally requires that from 2020 new heat meters and allocators must be readable remotely. By January 10, 2027, existing heat meters and allocators that do not have remote reading capability must also be equipped or replaced with devices that can be read remotely.

To this purpose, it is advantageous to exploit the infrastructure of the home automation system, where present, not only for its many possibilities of monitoring and visualization, but also for its ability to control in real time and adjust on all system functions that may cause energy waste.

The so-called “Ecobonus domotica”, originally introduced with Italian Law no. 208 of 2015 and confirmed by the following budget laws, also goes in the same direction. It allows for a 65% tax deduction for those home automation solutions that increase the efficiency of the heating system and inform end-users of their energy consumption.

Ekinex devices Other system components
A) Energy meter with EK-MC1-TP communication module 1) Solar thermal collectors
B) KNX / IP router EK-BC1-TP 2) Heat meter (solar system)
C) Home control software 3) Hot water storage tank
  4) Sanitary hot water circuit
  5) Water supply from aqueduct
  6) Boiler room heat meter (hot sanitary water)
  7) M-Bus power supply
  8) Solar panels
  9) Photovoltaic inverter
  10) Electricity meter (delivery point)
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