1、BRITISH STANDARDBS EN 15251:2007Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acousticsICS 91.140.01g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g5
2、4g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g38g50g51g60g53g44g42g43g55g3g47g36g58BS EN 15251:2007This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2008 BSI 2008ISBN 978 0 580 55391 2National foreword
3、This British Standard is the UK implementation of EN 15251:2008. The UK participation in its preparation was entrusted to Technical Committee RHE/2, Ventilation for buildings, heating and hot water services.With respect to the Energy Performance of Buildings Directive (EPBD) requirements, attention
4、is drawn to the text of the fourth paragraph of the EN foreword. This recognizes at the present time that, if there is a conflict, existing national regulations take precedence over any requirements set out in this standard.A list of organizations represented on this committee can be obtained on req
5、uest to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate Comment
6、sEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 15251May 2007ICS 91.140.01English VersionIndoor environmental input parameters for design andassessment of energy performance of buildings addressingindoor air quality, thermal environment, lighting and acousticsCritres pour lenvironnement intrieur
7、et valuation desperformances nergtiques des btiments couvrant laqualit dair intrieur, la thermique, lclairage etlacoustiqueEingangsparameter fr das Raumklima zur Auslegung undBewertung der Energieeffizienz von Gebuden -Raumluftqualitt, Temperatur, Licht und AkustikThis European Standard was approved
8、 by CEN on 26 March 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 nationalstandar
9、ds 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 th
10、e 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, Netherla
11、nds, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brussels 2007 CEN All rights of exploitation in any
12、 form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15251:2007: EEN 15251:2007 (E) 2 Contents Page Foreword. 4 Introduction 5 1 Scope 6 2 Normative references . 6 3 Terms and definitions. 7 4 Symbols and abbreviations . 11 5 Interactions with other standards . 11 6 Design i
13、nput criteria for dimensioning of buildings, heating, cooling, mechanical and natural ventilation systems 13 6.1 General. 13 6.2 Thermal environment 14 6.3 Indoor air quality and ventilation rates. 15 6.4 Humidity. 16 6.5 Lighting 16 6.6 Noise. 17 7 Indoor environment parameters for energy calculati
14、on . 17 7.1 General. 17 7.2 Thermal environment 17 7.3 Indoor air quality and ventilation 18 7.4 Humidity. 19 7.5 Lighting 19 8 Evaluation of the indoor environment and long term indicators. 19 8.1 General. 19 8.2 Design indicators 19 8.3 Calculated indicators of indoor environment 20 8.4 Measured i
15、ndicators . 20 8.5 Subjective evaluations . 21 9 Inspections and measurement of the indoor environment in existing buildings 22 9.1 General. 22 9.2 Measurements . 22 10 Classification and certification of the indoor environment 24 10.1 General. 24 10.2 Detailed classification and certification . 24
16、10.3 Recommended overall evaluation of the indoor environment and certification 24 Annex A (informative) Recommended criteria for the thermal environment . 25 BS EN 15251:2007EN 15251:2007 (E) 3 A.1 Recommended categories for design of mechanical heated and cooled buildings 25 A.2 Acceptable indoor
17、temperatures for design of buildings without mechanical cooling systems 27 A.3 Recommended indoor temperatures for energy calculations 31 Annex B (informative) Basis for the criteria for indoor air quality and ventilation rates 32 B.1 Recommended design ventilation rates in non-residential buildings
18、. 32 B.1.1 General. 32 B.1.2 Method based on person and building component 32 B.1.3 Method based on ventilation rate per person or per m2floor area 35 B.1.4 Recommended values of CO2for energy calculation . 36 B.2 Recommended design ventilation rates in residential buildings 36 B.3 Recommended crite
19、ria for dimensioning of humidification and de-humidification 38 B.4 Recommended ventilation during un-occupied hours . 39 Annex C (informative) Example on how to define low and very low polluting buildings . 40 Annex D (informative) Recommended criteria for lighting. 41 Annex E (informative) Indoor
20、system noise criteria of some spaces and buildings . 42 Annex F (informative) Long term evaluation of the general thermal comfort conditions. 43 Annex G (informative) Recommended criteria for acceptable deviations 46 G.1 Building Category . 46 G.2 Length of deviation. 46 Annex H (informative) Method
21、ologies for subjective evaluations 47 Annex I (informative) Examples of classification and certification of the indoor environment. 48 I.1 The design criteria used. 48 I.2 Whole year computer simulations of the indoor environment and energy performance 49 I.3 Long term measurement of selected parame
22、ters for the indoor environment 49 I.4 Subjective responses from occupants.49 Bibliography . 51 BS EN 15251:2007EN 15251:2007 (E) 4 Foreword This document (EN 15251:2007) has been prepared by Technical Committee CEN/TC 156 “Ventilation for buildings”, the secretariat of which is held by BSI. This Eu
23、ropean Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2007, and conflicting national standards shall be withdrawn at the latest by November 2007. This standard has been prepared under a mandate given
24、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 c
25、alculation of the energy performance of buildings. An overview of the whole set of standards is given in CEN/TR 15615, Explanation of the general relationship between various CEN standards and the Energy Performance of Buildings Directive (EPBD) (“Umbrella document“). Attention is drawn to the need
26、for observance of relevant EU Directives transposed into national legal requirements. Existing national regulations with or without reference to national standards, may restrict for the time being the implementation of the European Standards mentioned in this report. According to the CEN/CENELEC Int
27、ernal 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, M
28、alta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. BS EN 15251:2007EN 15251:2007 (E) 5 Introduction Energy consumption of buildings depends significantly on the criteria used for the indoor environment (temperature, ventilation an
29、d lighting) and building (including systems) design and operation. Indoor environment also affects health, productivity and comfort of the occupants. Recent studies have shown that costs of poor indoor environment for the employer, the building owner and for society, as a whole are often considerabl
30、e higher than the cost of the energy used in the same building. It has also been shown that good indoor environmental quality can improve overall work and learning performance and reduce absenteeism. In addition uncomfortable occupants are likely to take actions to make themselves comfortable which
31、may have energy implications. An energy declaration without a declaration related to the indoor environment makes no sense. There is therefore a need for specifying criteria for the indoor environment for design, energy calculations, performance and operation of buildings There exist national and in
32、ternational standards, and technical reports, which specify criteria for thermal comfort and indoor air quality (EN ISO 7730, CR 1752). These documents do specify different types and categories of criteria, which may have a significant influence on the energy demand. For the thermal environment crit
33、eria for the heating season (cold/winter) and cooling season (warm/summer) are listed. These criteria are, however, mainly for dimensioning of building, heating, cooling and ventilation systems. They may not be used directly for energy calculations and year-round evaluation of the indoor thermal env
34、ironment. New results have shown that occupant expectations in natural ventilated buildings may differ from conditioned buildings. These issues are not dealt with in detail in the above mentioned documents. The present standard specifies how design criteria can be established and used for dimensioni
35、ng of systems. It defines how to establish and define the main parameters to be used as input for building energy calculation and long term evaluation of the indoor environment. Finally this standard will identify parameters to be used for monitoring and displaying of the indoor environment as recom
36、mended in the Energy Performance of Buildings Directive. Different categories of criteria may be used depending on type of building, type of occupants, type of climate and national differences. The standard specifies several different categories of indoor environment which could be selected for the
37、space to be conditioned. These different categories may also be used to give an overall, yearly evaluation of the indoor environment by evaluating the percentage of time in each category. The designer may also select other categories using the principles from this standard. BS EN 15251:2007EN 15251:
38、2007 (E) 6 1 Scope This European Standard specifies the indoor environmental parameters which have an impact on the energy performance of buildings. The standard specifies how to establish indoor environmental input parameters for building system design and energy performance calculations. The stand
39、ard specifies methods for long term evaluation of the indoor environment obtained as a result of calculations or measurements. The standard specifies criteria for measurements which can be used if required to measure compliance by inspection. The standard identifies parameters to be used by monitori
40、ng and displaying the indoor environment in existing buildings. This standard is applicable mainly in non-industrial buildings where the criteria for indoor environment are set by human occupancy and where the production or process does not have a major impact on indoor environment. The standard is
41、thus applicable to the following building types: single family houses, apartment buildings, offices, educational buildings, hospitals, hotels and restaurants, sports facilities, wholesale and retail trade service buildings. The standard specifies how different categories of criteria for the indoor e
42、nvironment can be used. But does not require certain criteria to be used. This is up to national regulations or individual project specifications. The recommended criteria in this standard can also be used in national calculation methods, which may be different to the methods referred to here. The s
43、tandard does not prescribe design methods, but give input parameters to the design of buildings, heating, cooling, ventilation and lighting systems. The standard does not include criteria for local discomfort factors like draught, radiant temperature asymmetry, vertical air temperature differences a
44、nd floor surface temperatures. 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) appl
45、ies. EN 12464-1 2002 Light and lighting Lighting of work places Part 1: Indoor work places EN 12599 Ventilation for buildings Test procedures and measuring methods for handing over installed ventilation and air conditioning systems EN 12792 2003 Ventilation for buildings Symbols, terminology and gra
46、phical symbols EN 12831 Heating systems in buildings Method for calculation of the design heat load BS EN 15251:2007EN 15251:2007 (E) 7 EN 15193 Energy performance of buildings Energy requirements for lighting EN 15241 Ventilation for buildings Calculation methods for energy losses due to ventilatio
47、n and infiltration in commercial buildings EN 15242 Ventilation for buildings Calculation methods for the determination of air flow rates in buildings including infiltration prEN 15255 Thermal performance of buildings Sensible room cooling load calculation General criteria and validation procedures
48、prEN 15265 Thermal performance of buildings Calculation of energy needs for space heating and cooling using dynamic methods General criteria and validation procedures EN ISO 7726 Ergonomics of the thermal environment Instruments for measuring physical quantities (ISO 7726:1998) EN ISO 7730 Ergonomic
49、s of the thermal environment Analytical determination and interpretation of thermal comfort using calculation of the PMV and PPD indices and local thermal comfort criteria (ISO 7730:2005) EN ISO 8996 Ergonomics of the thermal environment Determination of metabolic rate (ISO 8996:2004) EN ISO 9920 Ergonomics of the thermal environment Estimation of the thermal insulation and evaporative resistance of a clothing ensemble (ISO 9920:1995) EN ISO 13731 2001 Ergonomics of the thermal environment Vocabulary and symbols (
