SIST EN 15603:2008
(Main)Energy performance of buildings - Overall energy use and definition of energy ratings
Energy performance of buildings - Overall energy use and definition of energy ratings
The purpose of the standard is to:
a) collate results from other standards that calculate energy use for specific services within a building;
b) account for energy generated in the building, some of which may be exported for use elsewhere;
c) present a summary of the overall energy use of the building in tabular form;
d) provide energy ratings based on primary energy, carbon dioxide emission or other parameters defined by national energy policy;
e) establish general principles for the calculation of primary energy factors and carbon emission coefficients.
This standard defines the energy services to be taken into account for setting energy performance ratings for planned and existing buildings, and provides for this:
f) method to compute the standard calculated energy rating, a standard energy use that does not depend on occupant behaviour, actual weather and other actual (environment or indoor) conditions;
g) method to assess the measured energy rating, based on the delivered and exported energy;
h) methodology to improve confidence in the building calculation model by comparison with actual energy use;
i) method to assess the energy effectiveness of possible improvements.
This European standard is applicable to a part of a building (e.g. flat), a whole building, or several buildings.
It is up to national bodies to define under which conditions, for which purposes and for which types of buildings the various ratings apply.
This standard handles the energy performance of a building as a whole. The assessment of the energy performance of specific technical building systems is handled in the appropriate part of EN 15241, prEN 15243 and prEN 15316 series.
Energieeffizienz von Gebäuden - Gesamtenergieverbrauch und Festlegung der Energiebedarfskennwerte
Der Zweck dieser Norm besteht in Folgendem:
a) Zusammenstellen der Ergebnisse aus weiteren Normen, in denen der Energieverbrauch für bestimmte Leistungen in einem Gebäude berechnet wird;
b) Bestimmung der in einem Gebäude erzeugten Energie, die teilweise für den Verbrauch an anderer Stelle nach außen abgegeben werden kann;
c) Liefern einer tabellarischen Zusammenfassung des Gesamtenergieverbrauchs des Gebäudes;
d) Festlegung der Energiekennwerte auf Grundlage der Primärenergie, der Kohlendioxid-Emissionen oder weiterer durch die nationale Energiepolitik festgelegter Parameter;
e) Festlegung allgemeiner Grundsätze für die Berechnung der Primärenergiefaktoren und der Koeffizienten für die Kohlendioxid Emission.
Die vorliegende Norm legt die Energieverwendungszwecke fest, die hinsichtlich der Kennwerte für Energieeffizienz von geplanten und bestehenden Gebäuden zu berücksichtigen sind, und bietet dafür:
f) ein Verfahren zur Berechnung des Standard-Energiebedarfskennwertes, einem Standard-Energieverbrauch, der nicht vom Verhalten der Gebäudenutzer, den tatsächlichen Wetterbedingungen und weiteren tatsächlichen (Umwelt oder Raum )Bedingungen abhängig ist;
g) ein Verfahren zur Bewertung des Energieverbrauchskennwertes auf der Grundlage der bezogenen und nach außen abgegebenen Energie;
h) eine Verfahrensweise zur Verbesserung des Vertrauens in das Gebäudeberechnungsmodell durch einen Vergleich mit dem tatsächlichen Energieverbrauch;
i) ein Verfahren zur Bewertung der Energieeffizienz durch mögliche Verbesserungen.
Die vorliegende Europäische Norm ist auf einen Gebäudeteil (z. B. eine Wohnung), ein gesamtes Gebäude oder auf mehrere Gebäude anwendbar.
Es ist die Aufgabe der nationalen Institutionen festzulegen, unter welchen Bedingungen, für welche Zwecke und für welche Gebäudetypen die verschiedenen Kennwerte gelten.
Performance énergétique des bâtiments - Consommation globale d'énergie et définition des évaluations énergétiques
La présente norme a pour objet de :
a) rassembler les résultats d’autres normes utilisées pour calculer la consommation d’énergie de services spécifiques au sein d’un bâtiment ;
b) évaluer l’énergie produite dans le bâtiment, dont une partie peut etre exportée pour etre utilisée ailleurs ;
c) présenter un résumé de la consommation globale d’énergie du bâtiment sous forme de tables ;
d) fournir des évaluations énergétiques reposant sur l’énergie primaire, les émissions de dioxyde de carbone ou d’autres parametres définis par la politique énergétique nationale ;
e) établir des principes généraux pour le calcul des facteurs d’énergie primaire et des coefficients d’émissions de dioxyde de carbone.
La présente norme définit les services énergétiques a prendre en compte pour établir les évaluations de performance énergétique de bâtiments en projet ou existants, et prévoit ce qui suit :
f) une méthode de calcul de l’évaluation énergétique calculée standard, une consommation d’énergie standard indépendante du comportement des occupants, des conditions météorologiques réelles ou d’autres conditions réelles (environnementales ou a l’intérieur du bâtiment) ;
g) une méthode d’obtention de l’évaluation énergétique mesurée, basée sur les quantités d’énergie reçue de l’extérieur et fournie a l’extérieur ;
h) une méthodologie permettant d’améliorer la confiance dans le modele de calcul du bâtiment par une comparaison avec la consommation réelle d’énergie ;
i) une méthode d’évaluation de l’efficacité énergétique des améliorations possibles.
La présente Norme européenne s’applique a une partie d’un bâtiment (par exemple, un appartement), un bâtiment entier ou plusieurs bâtiments.
Les organismes nationaux sont chargés de définir dans quelles conditions, a quelles fins et a quels types de bâtiments les diverses évaluations s’appliquent.
Energijske lastnosti stavb - Splošna raba energije in opredelitev potreb po energiji
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Energijske karakteristike stavb - Splošna raba energije in opredelitev potreb po energijiEnergieeffizienz von Gebäuden - Gesamtenergieverbrauch und Festlegung der EnergiebedarfskennwertePerformance énergétique des bâtiments - Consommation globale d'énergie et définition des évaluations énergétiquesEnergy performance of buildings - Overall energy use and definition of energy ratings91.120.10Toplotna izolacija stavbThermal insulationICS:Ta slovenski standard je istoveten z:EN 15603:2008SIST EN 15603:2008en,fr,de01-april-2008SIST EN 15603:2008SLOVENSKI
STANDARD
SIST EN 15603:2008
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15603January 2008ICS 91.140.99 English VersionEnergy performance of buildings - Overall energy use anddefinition of energy ratingsPerformance énergétique des bâtiments - Consommationglobale d'énergie et définition des évaluations énergétiquesEnergieeffizienz von Gebäuden - Gesamtenergieverbrauchund Festlegung der EnergiekennwerteThis European Standard was approved by CEN on 24 November 2007.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the CEN Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2008 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15603:2008: ESIST EN 15603:2008
EN 15603:2008 (E) 2 Contents Page Foreword.4 Introduction.5 1 Scope.6 2 Normative references.6 3 Terms and definitions.7 4 Symbols, units and subscripts.14 5 Assessment of energy performance of buildings.15 5.1 Energy uses.15 5.2 Assessment boundaries.15 5.3 Types and uses of ratings.16 6 Calculated energy rating.17 6.1 Calculation procedure.17 6.1.1 General.17 6.1.2 Calculation step.17 6.1.3 Calculation principles of the recovered gains and losses.18 6.1.4 Effect of integrated control.19 6.2 Building thermal needs.19 6.3 Technical building systems.20 6.3.1 Technical system thermal losses, electrical and auxiliary energy without building generation devices.20 6.3.2 Thermal energy generation systems.21 7 Measured energy rating.23 7.1 General requirements.23 7.2 Assessment period.24 7.2.1 General.24 7.2.2 Extrapolation to an integral number of years.24 7.3 Assessing the used amounts of all energy carriers.27 7.3.1 General.27 7.3.2 Metered fuels (electricity, gas, district heating and cooling).27 7.3.3 Liquid fuels in tanks.27 7.3.4 Solid fuels.27 7.3.5 Energy monitoring.28 7.4 Correction for weather.28 8 Weighted energy ratings.28 8.1 Types of ratings.28 8.2 Types of factors or coefficients.28 8.2.1 General.28 8.2.2 Average factor or coefficient.29 8.2.3 Marginal factor or coefficient.29 8.2.4 End use factor or coefficient.29 8.3 Primary energy rating.29 8.3.1 General.29 8.3.2 Primary energy.29 8.3.3 Primary energy factors.30 8.4 Carbon dioxide rating.31 8.4.1 Carbon dioxide emissions.31 8.4.2 CO2 emission coefficients.31 SIST EN 15603:2008
EN 15603:2008 (E) 3 8.5 Policy energy rating.31 9 Validated building calculation model.32 9.1 Introduction.32 9.2 Procedure – validation of the building calculation model.32 9.3 Climatic data.33 9.4 Occupancy data.33 9.4.1 Internal temperature.33 9.4.2 Air infiltration and ventilation.33 9.4.3 Internal heat sources.33 9.4.4 Hot water use.34 9.4.5 Artificial lighting.34 9.5 Ratings based on the validated calculation model.34 10 Planning of retrofit measures for existing buildings.34 11 Report.35 Annex A (informative)
Methods for collecting building data.38 A.1 Data on building envelope.38 A.1.1 General.38 A.1.2 Assessment of thermal transmittance of opaque building elements.38 A.1.3 Assessment of thermal transmittance and total solar energy transmittance of transparent elements.38 A.1.4 Assessment of thermal characteristics of thermal bridges.39 A.1.5 Assessment of air flow rates and infiltration.39 A.2 Thermal capacity.39 A.3 Heating systems.40 A.4 Ventilation systems.40 A.4.1 Assessment of airflow rates.40 A.4.2 Thermal efficiency of heat recovery systems.40 A.4.3 Assessment of auxiliary energy use.41 A.5 Cooling systems.41 A.6 Building operation.41 Annex B (informative)
Energy monitoring.42 B.1 Energy signature.42 B.2 H-m method.44 Annex C (informative)
Other uses of energy.46 C.1 General.46 C.2 Residential buildings.46 C.3 Office buildings.46 Annex D (informative)
Calorific values of fuels.48 D.1 General.48 D.2 Solid and liquid energy carriers.48 D.3 Gaseous fuels.49 Annex E (informative)
Factors and coefficients.50 Annex F (informative)
Confidence intervals.51 F.1 Definition.51 F.2 Assessment of confidence interval.51 F.3 Examples.52 F.3.1 General.52 F.3.2 Indications on confidence intervals.53 Annex G (informative)
Example.55 G.1 Building description.55 G.2 Standard calculated rating.55 Bibliography.62
SIST EN 15603:2008
EN 15603:2008 (E) 4 Foreword This document (EN 15603:2008) has been prepared by CEN/BT/TF 173
“Energy Performance of Building project group”, the secretariat of which is held by NEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 2008, and conflicting national standards shall be withdrawn at the latest by July 2008. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association (Mandate M/343), and supports essential requirements of EU Directive 2002/91/EC on the energy performance of buildings (EPBD). It forms part of a series of standards aimed at European harmonisation of the methodology for the calculation of the energy performance of buildings. An overview of the whole set of standards is given in CEN/TR 15615. SIST EN 15603:2008
EN 15603:2008 (E) 5 Introduction Energy assessments of buildings are carried out for various purposes, such as: a) Judging compliance with building regulations expressed in terms of a limitation on energy use or a related quantity; b) Transparency in commercial operations through the energy certification and/or display of a level of energy performance (energy performance certification); c) Monitoring of the energy efficiency of the building and its technical building systems; d) Helping in planning retrofit measures, through prediction of energy savings which would result from various actions. This standard specifies a general framework for the assessment of overall energy use of a building, and the calculation of energy ratings in terms of primary energy, CO2 emissions or parameters defined by national energy policy. Separate standards calculate the energy use of services within a building (heating, cooling, hot water, ventilation, lighting) and produce results that are used here in combination to show overall energy use. This assessment is not limited to the building alone, but takes into account the wider environmental impact of the energy supply chain. An allowance is made for energy that may be generated within, or on the surface of the building and which is used to offset fuel and power drawn from other sources. Energy generated on the building site and exported is credited, provided it is exported for use elsewhere.
Energy certification of buildings requires a method that is applicable to both new and existing buildings, and which treats them in an equivalent way. Therefore, a methodology to obtain equivalent results from different sets of data is presented in this standard. A methodology to assess missing data and to calculate a standard energy use for space heating and cooling, ventilation, domestic hot water and lighting is provided. This standard also provides a methodology to assess the energy effectiveness of possible improvements. Two principal types of energy ratings for buildings are proposed in this standard: e) calculated energy rating;
f) measured energy rating.
Because of the differences in the way these two ratings are obtained, they cannot be directly compared. However, the difference between the two ratings for the same building can be used to assess the cumulative effects of actual construction, systems and operating conditions versus standard ones and the contribution of energy uses not included in the calculated energy rating. Local values for factors and coefficients needed to calculate primary energy and CO2 emissions related to energy policy should be defined in a national annex. NOTE Energy is not produced, but only transformed. In this standard however energy is used in one form by systems that generate other forms of energy. At its final stage in the building, energy is used to provide services such as heating, cooling, ventilation, hot water, lighting, etc.SIST EN 15603:2008
EN 15603:2008 (E) 6 1 Scope The purpose of the standard is to: a) collate results from other standards that calculate energy use for specific services within a building;
b) account for energy generated in the building, some of which may be exported for use elsewhere; c) present a summary of the overall energy use of the building in tabular form; d) provide energy ratings based on primary energy, carbon dioxide emission or other parameters defined by national energy policy; e) establish general principles for the calculation of primary energy factors and carbon emission coefficients. This standard defines the energy services to be taken into account for setting energy performance ratings for planned and existing buildings, and provides for this: f) method to compute the standard calculated energy rating, a standard energy use that does not depend on occupant behaviour, actual weather and other actual (environment or indoor) conditions;
g) method to assess the measured energy rating, based on the delivered and exported energy;
h) methodology to improve confidence in the building calculation model by comparison with actual energy use; i) method to assess the energy effectiveness of possible improvements. This European standard is applicable to a part of a building (e.g. flat), a whole building, or several buildings.
It is up to national bodies to define under which conditions, for which purposes and for which types of buildings the various ratings apply.
This standard handles the energy performance of a building as a whole. The assessment of the energy performance of specific technical building systems is handled in the appropriate part of EN 15241, EN 15243 and EN 15316 series. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 15193, Energy performance of buildings Energy requirements for lighting
EN 15217, Energy performance of buildings Methods for expressing energy performance and for energy certification of buildings EN 15232:2007, Energy performance of buildings - Impact of Building Automation, Controls and Building Management EN 15241, Ventilation for buildings Calculation methods for energy losses due to ventilation and infiltration in commercial buildings EN 15243, Ventilation for buildings Calculation of room temperatures and of load and energy for buildings with room conditioning systems
SIST EN 15603:2008
EN 15603:2008 (E) 7 EN 15316 (all parts), Heating systems in buildings Method for calculation of system energy requirements and system efficiencies
EN ISO 7345:1995, Thermal insulation Physical quantities and definitions (ISO 7345:1987) EN ISO 12569, Thermal insulation in buildings Determination of air change in buildings Tracer gas dilution method (ISO 12569:2000) EN ISO 13789, Thermal performance of buildings - Transmission heat loss coefficient - Calculation method (ISO 13789:1999) EN ISO 13790, Thermal performance of buildings - Calculation of energy use for space heating (ISO 13790:2004) 3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN ISO 7345:1995 and the following apply. 3.1 Buildings
3.1.1 building construction as a whole, including its envelope and all technical building systems, for which energy is used to condition the indoor climate, to provide domestic hot water and illumination and other services related to the use of the building NOTE The term can refer to the building as a whole or to parts thereof that have been designed or altered to be used separately. 3.1.2 new building for calculated energy rating: building at design stage or under construction for measured energy rating: building too recently constructed to have reliable records of energy use 3.1.3 existing building for calculated energy rating: building that is erected for measured energy rating: building for which actual data necessary to assess the energy use are known or can be measured 3.1.4 technical building system technical equipment for heating, cooling, ventilation, domestic hot water, lighting and electricity production NOTE 1 A technical building system can refer to one or to several building services (e.g. heating system, heating and DHW system). NOTE 2 A technical building system is composed of different subsystems. NOTE 3 Electricity production can include cogeneration and photovoltaic systems. 3.1.5 building services services provided by the technical building systems and by appliances to provide the indoor climate condition, illumination and other services related to the use of the building SIST EN 15603:2008
EN 15603:2008 (E) 8 3.1.6 space heating process of heat supply for thermal comfort 3.1.7 space cooling process of heat extraction for thermal comfort 3.1.8 dehumidification process of removing water vapour from air to reduce relative humidity 3.1.9 humidification process of adding water vapour to air to increase relative humidity 3.1.10 ventilation process of supplying or removing air by natural or mechanical means to or from a space NOTE Such air is not required to have been conditioned. 3.1.11 lighting process of supplying the necessary illumination 3.1.12 other services services supplied by energy consuming appliances 3.1.13 conditioned space heated and/or cooled space NOTE The heated and/or cooled spaces are used to define the thermal envelope. 3.2 Technical building systems
3.2.1 auxiliary energy electrical energy used by technical building systems for heating, cooling, ventilation and/or domestic water to support energy transformation to satisfy energy needs NOTE 1 This includes energy for fans, pumps, electronics, etc. Electrical energy input to the ventilation system for air transport and heat recovery is not considered as auxiliary energy, but as energy use for ventilation. NOTE 2 In EN ISO 9488, Solar energy – Vocabulary, the energy used for pumps and valves is called "parasitic energy". 3.2.2 cogeneration simultaneous generation in one process of thermal energy and electrical or mechanical energy NOTE Also known as combined heat and power (CHP). 3.2.3 system thermal loss thermal loss from a technical building system for heating, cooling, domestic hot water, humidification, dehumidification or ventilation that does not contribute to the useful output of the system SIST EN 15603:2008
EN 15603:2008 (E) 9 NOTE 1 A system loss can become an internal heat gain for the building if it is recoverable. NOTE 2 Thermal energy recovered directly in the subsystem is not considered as a system thermal loss but as heat recovery and directly treated in the related system standard. NOTE 3 Heat dissipated by the lighting system or by other services (e.g. appliances of computer equipment) is not part of the system thermal losses, but part of the internal heat gains. 3.2.4 recoverable system thermal loss part of a system thermal loss which can be recovered to lower either the energy need for heating or cooling or the energy use of the heating or cooling system NOTE This depends on the calculation approach chosen to calculate the recovered gains and losses (holistic or simplified approach).
3.2.5 recovered system thermal loss part of the recoverable system thermal loss which has been recovered to lower either the energy need for heating or cooling or the energy use of the heating or cooling system NOTE This depends on the calculation approach chosen to calculate the recovered gains and losses (holistic or simplified approach).
3.3 Energy
3.3.1 energy source source from which useful energy can be extracted or recovered either directly or by means of a conversion or transformation process NOTE Examples include oil or gas fields, coal mines, sun, forests etc. 3.3.2 energy carrier substance or phenomenon that can be used to produce mechanical work or heat or to operate chemical or physical processes
[ISO 13600:1997] NOTE The energy content of fuels is given by their gross calorific value. 3.3.3 system boundary boundary that includes within it all areas associated with the building (both inside and outside the building) where energy is consumed or produced NOTE Inside the system bo
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