Nowadays, there is a growing demand for energy certification, both for residential and commercial buildings. This is not surprising, with new regulations coming into force in November 2023, but building operators and owners are also starting to realise that there are many benefits to be gained from having a certificate. In medical terms, such a process provides a quasi '' diagnostic'' of the property. It shows what changes or renovations are needed or worthwhile to improve the energy efficiency of the building and at the same time reduce operating costs. In addition, the investments recommended by the certification play a key role in making the property more sustainable.
However, in many cases it is not easy to obtain an energy performance certificate, and each building is subject to different conditions, so it is not an easy task for both the owner and the auditor. That's why we have put together a quick guide with our energy consultant Máté Varga to show you the most important informations and documents that are essential to obtain a certificate, and which are best to have available in advance.
The first step in preparing a certificate is to have the basic data of the building. The address of the building, its floor size, how many floors are cooled or heated, what the property is intended for (if it is multifunctional, you can specify more than one) and finally, what the purpose of the certification is (e.g. for rental, transaction, green building certification, or for your own or other purposes).
In the second step, questions on mechanical data are required, more specifically the auditor wants to know how the cooling, heating, hot water and ventilation systems are organised (centralised or localised).
The third step is to find out what documentation is available from the operator or owner. Has an energy performance certificate been previously issued for the building? Do you have the latest architect's drawings, sections, and information on ceiling heights and layering? Are engineering plans, technical specifications and technical documentation available (documents relating to heating and hot water systems, cooling systems, ventilation and other systems)? All these should be collected before the request for documentation is made, in order to reduce the time needed for the procedure.
In short, the energy certification of a commercial property requires:
basic building data (address, floor size, number of heated/cooled floors, purpose of certification) - basic administrative data
knowledge of the complexity of the mechanical systems
floor plans, sections of the building, mechanical drawings, specifications, technical documentation for heating and hot water systems, cooling systems and ventilation systems - Availability of depth of documentation
In principle, we believe that the more in-depth the analysis of a certificate, the better, because a well-assembled energy certificate gives the owner a much more detailed picture of the state of the building, and thus allows him to make more targeted investments and renovations to get the best out of it in terms of energy efficiency, thereby reducing running costs. In conclusion, it is probably worth taking care of your building to make it sustainable and functional in the long term.
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