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The European Energy Performance of Buildings Directive

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The European Energy Performance of Buildings Directive introduces fundamental changes in the legislation relating to the energy efficiency of buildings. Nearly all air-conditioning systems and boilers are required to be inspected regularly to assess their energy efficiency. Energy performance ratings - similar in principle to energy labels - are required whenever buildings are constructed, sold or let. These will be based on calculations that take account of the efficiency of HVAC and lighting systems as well as the building envelope. This means that reliable product and system performance data is essential. Although implementation is lagging behind the very ambitious planned timetable, at the start of 2006, many countries were in the process of introducing some parts of the Directive.