The buildings sector is responsible for the consumption of approximately 40% of final energy in Europe. However, over 50% of this consumption can be reduced through energy efficiency measures, which could represent an annual reduction of 400 million tons of CO2 - almost all the commitment of the European Union (EU) under the Kyoto Protocol . To address this situation, EU Member States have been promoting a set of measures to promote the improvement of energy performance and comfort conditions in buildings.
It is in this context that Directive 2002/91 / EC of the European Parliament and of the Council of 16 December on the energy performance of buildings (EPBD). In addition to other requirements, the EPBD states that all Member States implement an energy certification system in buildings.
Magazine in 2010 as Directive No. 2010/31 / EC, this version of the EPBD behind new challenges, some of them leveraged with the Energy Certificate. So with its transposition into Portugal, one should expect increased visibility by the energy certification, both in new and rehabilitated buildings and the transaction or leased, especially those advertised, which should indicate the class energy. Additionally, the large buildings of trade and services as well as public buildings have a duty to regularly assess their potential and thus constitute as an example in boosting energy certification.
The energy certification of buildings allows users of buildings get information on the energy performance of the same. Beyond this aspect also it serves in the context of new buildings, scan engine meeting the thermal requirements to which such buildings are subjected. However, with respect to existing buildings, covers important element of promotion, as well as identifying what measures can lead to an improvement in the energy performance and comfort.
These aspects are key, since they allow the users of buildings to reduce their energy bill.
The National System of Energy Certification of Buildings (SCE) implemented by Portugal, has as its basis, the aim of presenting a set of information to various system actors, including:

The classification of the building follows a pre-defined 8-class scale (A +, A, B, B-, C, D, E and F), wherein the class A corresponds to a building with better energy performance, and class FIt corresponds to a poor energy efficiency building. Although the number of classes on the scale is the same, the buildings housing and services have indicators and different forms of classification.
In new buildings (with request for building permit after entry into force of the SCE), energy classes vary only between classes A + and B-, the latter being the threshold below which these buildings are subject. The buildings undergoing major interventions have a lower threshold C. already existing buildings may present any class.
The Energy Certificate quantifies the energy performance and qualifies the indoor air quality of a building or autonomous fraction.
Energy certification is the process by which rate the energy performance of a building or autonomous fraction, on a scale of A + to F, recommending a series of improvement measures.
The realization of the energy certification is in the first instance, the property owners' responsibility and stands as mandatory in different contexts. To that extent they are covered by the National Energy Certification System (ECS), the following buildings:
Only Qualified Experts accredited for that purpose by the Energy Certification System - SCE may issue certificates.
The Gavedra, SA has a team of qualified experts with wide experience and rigor to the collection and processing of data. Make a contact request through here!
The Qualified Experts are individually responsible for conducting the certification of buildings, and the agents on the ground, ensure the running of the SCE.
They have the following responsibilities:
The energy certification process should take place based on the best available. Therefore and in order to ensure that the Qualified Expert conducts the certification process as efficiently as possible, it is important that it be provided with the following information (where available and where applicable):
1. Urban land Handbook; (*)
2. Registration certificate in the conservatory; (*)
3. Owner Data and NIF; (*)
4. Architectural design or plant / property courts;
5. Project specialties;
6. Plug housing technique;
7. Sheets or technical specifications of the materials and / or construction systems used;
8. Other information requested by the Qualified Expert.
(*) Essential for carrying out the certification process.
During the obligatory visit to the property by the Qualified Expert, this validates the information received or collects information to enable it to estimate the performance of all the elements relevant to the certification process.
The validity of the energy certificates differ taking into account the nature of the building and its context. According to the Decree-Law 118/2013 of 20 August, the following validity periods are defined:
Why are you choosing a suitable company with experienced experts to ensure accuracy in the calculation of class as well on improvement measures proposed. We also guarantee the simplicity, within the parameters required by law, and speed in handling the whole process.
Source: ADENE - Agência para a Energia
No, as long as a valid certificate for the building or fraction, it can be used as often as necessary for the intended legal purposes.
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