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The type and level of requirements are governed by the function and the type of building (dwellings, office buildings, schools …) and may cover: › Maximum U-value; › Requirement on average insulation level; › Maximum primary energy consumption per m² of floor area; › Boiler and air conditioner efficiencies.

New buildings should produce an energy study before the building permit is issued. The proof of compliance must be made after completion of the building. It is foreseen that control of the regulation is the responsibility of the Regional Authorities (the existing Building Permit Offices) where the building is located.

Requirements for existing buildings

The procedure followed for new buildings covers also existing buildings. The ongoing studies examine minimum requirements for new building components for building renovation and for extensions to existing buildings.

The requirements will be formally adopted on 1 January 2009. Certification of buildings

Πολύ ποδοτικό ενεργειακά A+

α

A+

A

A -

A -

B+

B+

BB -

B -

C

C

D

D

E

E

F

F

GG

Μη αποδοτικό ενεργειακά

B-

B

The requirements regarding the certification of buildings will be adopted by the Government 6 months after the Law has been passed by the parliament (ie. end 2008). The general certificate model to be used will be the A-G label. There are considerations, however to allow for more categories above the B level (eg. A+, A, A- etc.), to stimulate competition towards more efficient building design in the future. Certification, accompanied by a building permit, will be obligatory for new buildings after 1 January 2009. There is an ongoing debate as to whether the certificate will be obligatory for buildings to be rented or sold. The main argument against this requirement is the large number of inspectors needed in the early stages of implementation.

Evaluation of building shell

A study was undertaken to define the steps required for the evaluation and inspection of the building envelope. The study examined every stage starting from an inspection contract agreement to collection of data (suggesting a standardised questionnaire) and issuing and registering the certificate. The procedure was defined, in accordance with the EPBD and the existing Greeek law of building insulation.

Inspection of boilers and air conditioning

The plan for Inspection of boilers has been prepared and is under review by the Ministries of Development and Environment (http://www.minenv.- gr/4/41/g4100.html). It will replace existing boiler inspection procedures undertaken by the Ministry of Environment.

A study was undertaken, utilising the databases of Eurovent-Certification, to examine state of the art air-conditioning equipment in the European market. The study concluded that only A class small air-conditioners could be used, while for larger machinery A & B class would be acceptable.

Indicative graphs depicting the energy category of small and large air- conditioning equipment for thousands of machines currently available across the EU, used to define acceptable systems, are given below.

EPBD Buildings Platform > P074_EN_Greece-April2008

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