Abstract accepted for presentation in the CESB 10 Conference

Cyprus building energy performance methodology: A comparison of the simulation and actual energy consumption results

In  order  to  fulfill  article  4  of  the  2002/91/EC  Directive  (EPBD)  a  national  methodology  for  the  energy  performance  of  buildings  was  drafted  and  approved  in  Cyprus  in  2009.  This  methodology,  called  Cyprus  Simplified  Building  Energy  Method  (SBEM_Cy),  is  in  line  with  the  European  standards  drafted  to  facilitate  EPBD  implementation  and  follows  the  asset  rating  approach,  that is it represents  the  intrinsic  annual  energy  use  of  a  building  under  standardised  conditions. The standard EN 15217 leaves an option, quite suitable for existing and complex building, for operational rating, which is an energy rating based on measured amounts of delivered and exported energy. The asset and operational rating respectively exhibit advantages and disadvantages and as expected the results of the two approaches vary, since the operational rating approach takes into account the effect of user behavior, the actual weather conditions and the realized (actual) thermal comfort conditions inside the building.

This paper presents the Cyprus legal framework for adopting the EPBD, and exhibits the Cyprus methodology for the energy performance of buildings. Moreover the advantages and disadvantages of the asset and operational rating approaches are discussed and a comparison of the results of these two approaches for a selected number of buildings is presented. One of these cases is also examined with respect to the climatic conditions, by changing the climatic zone in which the building is erected. This clearly shows the effect of climate on the energy requirements of the building for both heating and cooling.

 

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Το ερευνητικό έργο ‘’ΚΑΤΗΓΟΡΙΟΠΟΙΗΣΗ ΚΤΙΡΙΩΝ ΣΤΗΝ ΚΥΠΡΟ ΜΕ ΒΑΣΗ ΤΗΝ ΕΝΕΡΓΕΙΑΚΗ ΤΟΥΣ ΑΠΟΔΟΣΗ’’ χρηματοδοτείται από το Ίδρυμα Προώθησης Έρευνας (ΙΠΕ)

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