The new Regulation of Thermal Installations in Buildings promotes the incorporation of renewable energies

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The Council of Ministers approved the update of the Regulation of Thermal Installations in Buildings (RITE), which establishes the requirements in terms of energy efficiency and safety that thermal installations of buildings must meet to comply with the well-being and hygiene requirement of buildings. . . This update aims to achieve the objectives set in the National Integrated Energy and Climate Plan 2021-2030: reduce primary energy consumption by 39.5% and final energy consumption by 36,809.3 tons of oil equivalent (Ktoe ).

In practice, this regulatory reform proposed by the Ministry of Ecological Transition and Demographic Challenge (MITECO) and the Ministry of Transport, Mobility and Urban Agenda (MITMA) promotes the integration of renewable energies in buildings. The new RITE establishes that the installation of thermal systems in buildings must be designed using efficient systems that allow energy recovery and the use of renewable and residual energy.

The new regulation now partially transposes the content of Directive (EU) 2018/2001, Directive (EU) 2018/844 and Directive (EU) 2018/2002, all related to promoting energy efficiency and energy use produced from renewable sources. in the heating and air conditioning sector.

News in the Regulation of Thermal Installations in Buildings

The new regulations include the requirements that thermal installations must meet, but it does not oblige the use of a certain technique or a certain material, nor does it veto the introduction of new technologies and concepts. These are some of the main novelties that it incorporates:

In short, it is planned to implement throughout the Spanish building park the concept of "building with energy consumption close to zero (EECN or NEZB)" defined in the DB-HE-2019 and reinforced by the new measures adopted in the new RITE. Currently, there is a very direct relationship between the two regulatory projects, sharing the same roadmap towards a low-carbon economy by reducing greenhouse gases (GHG), where the building sector in construction has a very high impact. important to achieve the emission reduction target. by 90% by 2050 (compared to 1990 emissions).

One of the aspects that the new RITE (hereinafter RITE-2021) expands is its scope. In addition to demanding the thermal well-being and hygiene of people with fixed air conditioning and DHW installations, it also includes interconnections to district heating or cooling networks and to automation and control systems.

The new regulations include the requirements that thermal installations must meet, but it does not require the use of a certain technique or a certain material, nor does it veto the introduction of new technologies and novelties. These are some of the main novelties that it incorporates:

In short, it is planned to implement throughout the Spanish building park the concept of "building with energy consumption close to zero (EECN or NEZB)" defined in the DB-HE-2019 and reinforced with the new measures adopted in the new RITE. Currently, there is a very direct relationship between the two regulatory projects, sharing the same roadmap towards a low-carbon economy through the reduction of greenhouse gases (GHG), where the construction sector has an impact very important to achieve emission reductions. target. 90% by 2050 (compared to 1990 emissions).

One of the aspects that the new RITE (hereinafter RITE-2021) expands is its scope. In addition to demanding the thermal well-being and hygiene of people with fixed air conditioning and DHW installations, it also includes interconnections to district heating or cooling networks and to automation and control systems.

In the demands of well-being:

New temperature requirements are included for sizing heating and cooling systems.

In the requirements of energy efficiency and renewable and residual energies:

Verification procedures and supporting documents to be provided are maintained. In the latter case, one of the most important modifications is the obligation to carry out a technical, environmental and economic feasibility study of alternative high-efficiency facilities, before starting the execution of the works. This requirement for alternative high-efficiency installations should apply to all new buildings (previously only for buildings over 1000 m²) and also to renovations whenever possible.

High efficiency facilities to highlight:

  • Production systems based on renewable energies.
  • Cogeneration
  • Connection to an urban network.
  • Centralized production systems.
  • Heat pumps.
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