Buildings must be designed and constructed in such way to be compatible with the characteristics set out in the legislation with respect to thermal transmittance of doors and windows; the specific heat loss; aggregated energetic parametres; and the risk of overheating during the summer period (Article 3 of the Decree of Minister without portfolio No. 7 of 2006 (7/2006 (V. 24) Tárcanélküli miniszteri rendelet, “Ministerial Decree”)
In the case of new buildings where the usable floor space exceeds 1,000 square metres when making the project plans attention must be given to technical, environmental and economic considerations i.e whether it is possible to adopt: a decentralised energy supply systems using renewable energy sources; district heating/cooling systems, or block heating/ cooling systems; and heat pumps (Article 5 of the Ministerial Decree)
In the case of already existing buildings of which the usable floor space exceeds 1,000 square metres, when renovating or modernising compliance with the requirements of the above mentioned Article 3 must be ensured, provided that it is possible after having regard to both technical and economic considerations (Article 6 of the Ministerial Decree).
From 1 January 2012 building owners must hold a valid certificate as to the building’s parametres of energy efficiency in the following situations: newly constructed buildings; selling of existing buildings or when leasing them for a lease term exceeding one (1) year (in respect of these actions the requirements are mandatory from 1 January 2012 only); and those state-owned public buildings where the floor space exceeds 1,000 square metres and which are used by public authorities (Article 1 of the Governmental Decree No. 176 of 2008 (“176/2008 (VI.30.) Kormány rendelet, “Governmental Decree“).
The provisions of the Governmental Decree are not applicable to the following: buildings where the usable floor space does not exceed 50 square metres; those buildings which are intended to be used for less than four months a year; buildings used for religious purposes; those buildings which are categorised as monuments, as well those which are situated in protected areas; agricultural buildings; buildings in which the heat gain, due to the applied technology, exceeds 20 W/m3, or during heating season the necessary ventilation is twenty times more; buildings that are used as workshops; and tent systems which are inflated with air and of which the purpose is longer term residency.
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