BS EN ISO 13790:2008 Energy performance of buildings. Calculation of energy use for space heating and cooling

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BS EN ISO 13790:2008

Energy performance of buildings. Calculation of energy use for space heating and cooling

Status : Superseded, Withdrawn   Published : December 2008 Replaced By : BS EN ISO 52016-1:2017

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BS EN ISO 13790:2008 Energy performance of buildings. Calculation of energy use for space heating and cooling

This International Standard gives calculation methods for assessment of the annual energy use for space heating and cooling of a residential or a non-residential building, or a part of it, referred to as “the building”. 

This method includes the calculation of: 

a) the heat transfer by transmission and ventilation of the building zone when heated or cooled to constant internal temperature; 

b) the contribution of internal and solar heat gains to the building heat balance; 

c) the annual energy needs for heating and cooling, to maintain the specified set-point temperatures in the building – latent heat not included; 

d) the annual energy use for heating and cooling of the building, using input from the relevant system standards referred to in this International Standard and specified in Annex A. 

The building can have several zones with different set-point temperatures, and can have intermittent heating and cooling. The calculation interval is either one month or one hour. For residential buildings, the calculation can also be performed on the basis of the heating and/or cooling season. 

This International Standard also gives an alternative simple hourly method, using hourly user schedules (such as temperature set-points, ventilation modes or operation schedules of movable solar shading). Procedures are given for the use of more detailed simulation methods to ensure compatibility and consistency between the application and results of the different types of method. This International Standard provides, for instance, common rules for the boundary conditions and physical input data, irrespective of the calculation approach chosen. Special attention has been given to the suitability of this International Standard for use within the context of national or regional building regulations.

This includes the calculation of an energy performance rating of a building, on the basis of standardized conditions, for an energy performance certificate. The result can have legal implications, in particular when it is used to judge compliance with minimum energy performance levels, which can, for instance, be required to obtain a building permit. For such applications, it is important that the calculation procedures be unambiguous, repeatable and verifiable.

A special situation is the calculation of the energy performance in the case of old existing buildings, if gathering the full required input would be too labour-intensive for the purpose, relative to the cost-effectiveness of gathering the input. In this case, it is important that the calculation procedures provide the right balance between accuracy and data collection costs. To accommodate the application for these and other situations, this International Standard offers different choices. It is up to national bodies whether or not to choose a specific option for mandatory use, e.g. depending on the region in the country, the type of building and its use, and on the purpose of the assessment. Annex H provides some information on the accuracy of the method. 




Standard NumberBS EN ISO 13790:2008
TitleEnergy performance of buildings. Calculation of energy use for space heating and cooling
StatusSuperseded, Withdrawn
Publication Date31 December 2008
Withdrawn Date05 October 2017
Cross ReferencesISO 6946, ISO 7345, ISO 10077-1, ISO 13370:2007, ISO 13786:2007, ISO 13789:2007, ISO 15927-4, EN 15217, ISO 7726, ISO 9050, ISO 9488, ISO 10077-2, ISO 15099, ISO 15927-1, ISO 15927-6, EN 12831, EN 15232, EN 15251, EN 15265:2007, EN 15316-4-5, CEN/TR 15615
Replaced ByBS EN ISO 52016-1:2017
ReplacesBS EN 832:2000, BS EN ISO 13790:2004
International RelationshipsEN ISO 13790:2008,ISO 13790:2008
DescriptorsClimate, Thermal design of buildings, Ventilation, Solar radiation, Cooling, Space-heating systems, Thermal environment systems, Energy consumption, Heat loss, Temperature, Mathematical calculations, Thermal behaviour of structures, Performance, Heat engineering, Buildings, Energy conservation, Heat transfer
ICS91.120.10
91.140.10
Title in FrenchPerformance énergétique des bâtiments. Calcul des besoins d'énergie pour le chauffage et le refroidissement des locaux
Title in GermanEnergieeffizienz von Gebäuden. Berechnung des Energiebedarfs für Heizung und Kühlung
CommitteeB/540
ISBN978 0 580 55359 2
PublisherBSI
FormatA4
DeliveryYes
Pages172
File Size6.556 MB
Price£330.00


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