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› atmospheric and wind density, › prevention of overheating in summer,



central heating installation,

› electrical heating systems with resistances and › alternative energy systems in general.

Qualified experts

it is assumed that this energy performance certificate is also required for new buildings and major renovations, when the building permit is issued. To determine the data for the energy performance certificate according to Article 7, experts accredited by the rules and regulations relevant to their occupation are to be consulted. These include (legally authorised parties): › Chartered engineering consultants with relevant authorisation, › Engineering agencies of expertise within their trading licence, master builders and master carpenters (timber construction)

› General legally accredited experts in the relevant areas of expertise › Accredited inspection authorities › Technical departments of public enterprise bodies.

For these authorized parties there is no obligation to do a training course or take or exams since it is supposed that they should have had the relevant training for their accreditation. Most of these experts are, in fact, aware of their lack of knowledge especially with regard to the calculation procedures and take a specialised training course without being obliged to. Training is offered by the regional governments together with the Chambers of Commerce and of Civil Engineers; a specialised training course of 17 days maximum duration (partly done via e-learning) has been developed by the regional energy agencies, organized by the Styrian Energy Agency (Landesenergieverein).

The energy performance certificate must therefore to be issued by an authorised person according to the relevant rules and regulations of the trade, an accredited inspection authority or certain civil engineers (i.e. architects).

For independent experts for the inspection of boilers, the requirements of ÖNORM EN 15378 “Heizanlagen in Gebäuden – Inspektion von Heizkesseln und Heizsystemen” apply.

For independent experts for the inspection of air-conditioning and ventilation systems, the requirements of ÖNORM EN 13313 apply.

Inspection of boilers

In Austria, the regular inspection of heating systems has already been carried out for many years. The frequency of inspection depends on the energy source and the size (power) of the heating system (from up to four times a year for solid fuels to once a year for gaseous fuels). So the relevant article of the EPBD can be seen as having been implemented except the 15 years one-off-inspection, which will be introduced together with the building certificate. A new methodology has been developed for that. In the future, the relevant existing Austrian regulations will be adapted to the future CEN-regulations - as far as these are at least as strict as the Austrian ones since Austria will not give up its high environmental standards.

EN 15378 “Heizanlagen in Gebäuden – Inspektion von Heizkesseln und Heizsystemen” (heating systems in buildings – inspection of boilers and heating systems) applies.

The inspection obligations for heating installations which have been in use for more than 15 years came into force on 1 January 2006 (a one off-

EPBD Buildings Platform > P124_Austria_June 2008

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