Energy performance of buildings - Ventilation for buildings - Part 2: Interpretation of the requirements in EN 16798-1 - Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics - Module M1-6

This document deals with the indoor environmental parameters for thermal environment, indoor
air quality, lighting and acoustic. The document explains how to use EN 16798-1 for specifying
indoor environmental input parameters for building system design and energy performance
calculations. The document specifies methods for long term evaluation of the indoor environment
obtained as a result of calculations or measurements. The document specifies criteria for
measurements which can be used if required to measure compliance by inspection. The
Document identifies parameters to be used by monitoring and displaying the indoor environment
in existing buildings. This document is applicable 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 document explains how different categories of criteria for the indoor
environment can be used.

Energetische Bewertung von Gebäuden - Lüftung von Gebäuden - Teil 2: Interpretation der Anforderungen der EN 16798-1 - Eingangsparameter für das Innenraumklima zur Auslegung und Bewertung der Energieeffizienz von Gebäuden bezüglich Raumluftqualität, Temperatur, Licht und Akustik - Module M1-6

Performance énergétique des bâtiments - Ventilation des bâtiments - Partie 2: Interprétation des exigences de l’EN 16798-1 - Données d'entrées d'ambiance intérieure pour la conception et l'évaluation de la performance énergétique des bâtiments couvrant la qualité de l'air intérieur, l'ambiance thermique, l'éclairage et l'acoustique - Module M1-6

Le présent document traite des paramètres d'ambiance intérieure pour l'ambiance thermique, la qualité de l'air intérieur, l'éclairage et l'acoustique. Le présent document explique comment utiliser l'EN 16798 1 pour spécifier les paramètres d’entrée relatifs à l’ambiance intérieure pour la conception des systèmes du bâtiment et les calculs de la performance énergétique. Le document spécifie des méthodes pour l’évaluation à long terme de l’ambiance intérieure obtenue, à partir de résultats de calculs ou de mesures. Le document spécifie les critères de mesurage pouvant être utilisés, si requis, afin de mesurer la conformité par le biais d’une inspection. Le document identifie des paramètres à utiliser pour contrôler et afficher l’ambiance intérieure dans les bâtiments existants. Le présent document s’applique lorsque les critères d’ambiance relatifs à l'ambiance intérieure sont déterminés par l’occupation humaine et lorsque la production ou le procédé n’ont pas d’impact majeur sur l’ambiance intérieure. Le document explique comment les différentes catégories de critères d’ambiance intérieure peuvent être utilisées.

Energijske lastnosti stavb - Prezračevanje stavb - 2. del: Razlaga in utemeljitev EN 16798-1 - Vstopni podatki notranjega okolja za projektiranje in ocenjevanje energijskih lastnosti stavb glede kakovosti notranjega zraka, toplotnega okolja, razsvetljave in akustike - Modul M1-6

Ta dokument obravnava parametre notranjega okolja za toplotno okolje, notranjo kakovost zraka, razsvetljavo in akustiko. Dokument razloži, kako uporabljati standard EN 16798-1 za določanje vstopnih podatkov notranjega okolja za projektiranje stavbnega sistema in izračun energijskih lastnosti. Ta dokument določa metode za dolgoročno vrednotenje notranjega okolja, ki so pridobljene z izračuni ali meritvami. Dokument določa merila za meritve, ki se lahko uporabijo, če je zaradi nadzora potrebno izmeriti skladnost. Dokument določa podatke, ki jih je potrebno uporabiti, in prikaže notranje okolje v obstoječih stavbah. Ta dokument se uporablja, kjer so merila notranjega okolja določena s človeško uporabo in kjer proizvodnja ali procesi nimajo velikega vpliva na notranje okolje. Dokument pojasnjuje, kako je mogoče uporabiti različne kategorije meril za notranje okolje.

General Information

Status
Published
Public Enquiry End Date
09-Feb-2017
Publication Date
06-Jun-2019
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
29-May-2019
Due Date
03-Aug-2019
Completion Date
07-Jun-2019

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SLOVENSKI STANDARD
SIST-TP CEN/TR 16798-2:2019
01-julij-2019

Energijske lastnosti stavb - Prezračevanje stavb - 2. del: Razlaga in utemeljitev EN

16798-1 - Vstopni podatki notranjega okolja za projektiranje in ocenjevanje
energijskih lastnosti stavb glede kakovosti notranjega zraka, toplotnega okolja,
razsvetljave in akustike - Modul M1-6

Energy performance of buildings - Ventilation for buildings - Part 2: Interpretation of the

requirements in EN 16798-1 - Indoor environmental input parameters for design and

assessment of energy performance of buildings addressing indoor air quality, thermal

environment, lighting and acoustics - Module M1-6

Energetische Bewertung von Gebäuden - Lüftung von Gebäuden - Teil 2: Interpretation

der Anforderungen der EN 16798-1 - Eingangsparameter für das Innenraumklima zur
Auslegung und Bewertung der Energieeffizienz von Gebäuden bezüglich
Raumluftqualität, Temperatur, Licht und Akustik - Module M1-6
Performance énergétique des bâtiments - Ventilation des bâtiments - Partie 2:

Interprétation des exigences de l’EN 16798-1 - Données d'entrées d'ambiance intérieure

pour la conception et l'évaluation de la performance énergétique des bâtiments couvrant

la qualité de l'air intérieur, l'ambiance thermique, l'éclairage et l'acoustique - Module M1-

Ta slovenski standard je istoveten z: CEN/TR 16798-2:2019
ICS:
91.120.10 Toplotna izolacija stavb Thermal insulation of
buildings
91.140.30 Prezračevalni in klimatski Ventilation and air-
sistemi conditioning systems
SIST-TP CEN/TR 16798-2:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TP CEN/TR 16798-2:2019
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SIST-TP CEN/TR 16798-2:2019
CEN/TR 16798-2
TECHNICAL REPORT
RAPPORT TECHNIQUE
May 2019
TECHNISCHER BERICHT
ICS 91.120.10; 91.140.01
English Version
Energy performance of buildings - Ventilation for buildings
- Part 2: Interpretation of the requirements in EN 16798-1
- Indoor environmental input parameters for design and
assessment of energy performance of buildings addressing
indoor air quality, thermal environment, lighting and
acoustics (Module M1-6)

Performance énergétique des bâtiments - Ventilation Energetische Bewertung von Gebäuden - Lüftung von

des bâtiments - Partie 2 : Interprétation des exigences Gebäuden - Teil 2: Interpretation der Anforderungen

de l'EN 16798-1 - Données d'entrées d'ambiance der EN 16798-1 - Eingangsparameter für das

intérieure pour la conception et l'évaluation de la Innenraumklima zur Auslegung und Bewertung der

performance énergétique des bâtiments couvrant la Energieeffizienz von Gebäuden bezüglich

qualité de l'air intérieur, l'ambiance thermique, Raumluftqualität, Temperatur, Licht und Akustik

l'éclairage et l'acoustique (Module M1-6) (Module M1-6)

This Technical Report was approved by CEN on 8 February 2019. It has been drawn up by the Technical Committee CEN/TC 156.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TR 16798-2:2019 E

worldwide for CEN national Members.
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Contents Page

European foreword ............................................................................................................................... 5

Introduction ............................................................................................................................................ 9

1 Scope ......................................................................................................................................... 10

2 Normative references ......................................................................................................... 10

3 Terms and definitions ........................................................................................................ 11

4 Symbols and abbreviations .............................................................................................. 11

4.1 Symbols .................................................................................................................................... 11

4.2 Abbreviations ........................................................................................................................ 12

5 Interactions with other standards and use of categories ...................................... 12

6 How to establish design input criteria for dimensioning of buildings, heating,

cooling, ventilation and lighting systems .................................................................... 13

6.1 Introduction ........................................................................................................................... 13

6.2 Thermal environment ........................................................................................................ 14

6.2.1 General ..................................................................................................................................... 14

6.2.2 Mechanically heated and/or cooled buildings .......................................................... 14

6.2.3 Buildings without mechanical cooling ......................................................................... 15

6.2.4 Increased air velocity ......................................................................................................... 17

6.3 Design for indoor air quality (ventilation rates) ...................................................... 17

6.3.1 General ..................................................................................................................................... 17

6.3.2 Methods ................................................................................................................................... 18

6.3.3 Non-residential buildings ................................................................................................. 19

6.3.4 Residential buildings .......................................................................................................... 19

6.3.5 Access to operable windows ............................................................................................ 20

6.3.6 Filtration and air cleaning ................................................................................................ 20

6.4 Humidity .................................................................................................................................. 21

6.5 Lighting .................................................................................................................................... 21

6.5.1 General ..................................................................................................................................... 21

6.5.2 Non-residential buildings ................................................................................................. 21

6.5.3 Residential buildings .......................................................................................................... 21

6.6 Noise.......................................................................................................................................... 22

7 Indoor environment parameters for energy calculation....................................... 22

7.1 General ..................................................................................................................................... 22

7.2 Thermal environment ........................................................................................................ 22

7.2.1 General ..................................................................................................................................... 22

7.2.2 Seasonal and monthly calculations ............................................................................... 22

7.2.3 Hourly calculations or dynamic building simulation .............................................. 22

7.3 Indoor air quality and ventilation .................................................................................. 23

7.3.1 Generals ................................................................................................................................... 23

7.3.2 Non-residential buildings ................................................................................................. 23

7.3.3 Residential buildings .......................................................................................................... 23

7.4 Humidity .................................................................................................................................. 23

7.5 Lighting .................................................................................................................................... 23

8 Evaluation of the indoor environment and long term indicators ....................... 23

8.1 General ..................................................................................................................................... 23

8.2 Design indicators .................................................................................................................. 23

8.3 Calculated indicators of indoor environment ............................................................ 24

8.3.1 General ..................................................................................................................................... 24

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8.3.2 Simple indicator ................................................................................................................... 24

8.3.3 Hourly criteria ....................................................................................................................... 24

8.3.4 Degree hours criteria .......................................................................................................... 24

8.3.5 Overall thermal comfort criteria (weighted PMV criteria) ................................... 24

8.4 Measured indicators ........................................................................................................... 24

8.4.1 General ..................................................................................................................................... 24

8.4.2 Thermal environment ........................................................................................................ 24

8.4.3 Indoor air quality and ventilation .................................................................................. 25

8.4.4 Lighting .................................................................................................................................... 25

8.4.5 Noise.......................................................................................................................................... 25

8.5 Subjective evaluations ........................................................................................................ 26

9 Inspections and measurement of the indoor environment in existing

buildings .................................................................................................................................. 26

9.1 General ..................................................................................................................................... 26

9.2 Measurements ....................................................................................................................... 26

9.2.1 General ..................................................................................................................................... 26

9.2.2 Thermal environment ........................................................................................................ 26

9.2.3 Indoor air quality ................................................................................................................. 27

9.2.4 Indoor light quality measurements based on illuminance ................................... 28

10 Classification and certification of the indoor environment .................................. 28

10.1 General ..................................................................................................................................... 28

10.2 Detailed classification and certification ...................................................................... 28

10.3 Recommended overall evaluation of the indoor environment and

certification ............................................................................................................................ 28

Annex A (informative) Information about national annexes .............................................. 29

Annex B (informative) Default criteria for the indoor environment ............................... 30

B.1 General ..................................................................................................................................... 30

B.2 Default criteria for the thermal environment ........................................................... 30

B.2.1 Default categories for design of mechanically heated and cooled building.... 30

B.2.2 Default acceptable indoor temperatures for design of buildings without

mechanical cooling systems ............................................................................................. 33

B.2.3 Increased air velocity ......................................................................................................... 34

B.2.4 Recommended indoor temperatures for energy calculations ............................. 34

B.3 Basis for the criteria for indoor air quality and ventilation rates ...................... 35

B.3.1 Default design ventilation air flow rates for non-residential buildings .......... 35

B.3.2 Default design ventilation air flow rates for residential buildings .................... 41

B.3.3 Recommended criteria for dimensioning of humidification and de-

humidification ....................................................................................................................... 53

B.4 Example on how to define low and very low polluting buildings ....................... 53

B.5 Examples of criteria for lighting ..................................................................................... 57

B.6 Indoor system noise criteria of some spaces and buildings ................................. 58

B.6.1 Noise from continuous sources ....................................................................................... 58

B.6.2 Noise from service equipment in buildings ................................................................ 59

Annex C (informative) Occupants schedules for energy calculations .............................. 61

Annex D (informative) Long term evaluation of the general thermal comfort

conditions ............................................................................................................................... 68

Annex E (informative) Recommended criteria for acceptable deviations ..................... 71

E.1 Indoor Environmental Quality Category ..................................................................... 71

E.2 Length of deviation .............................................................................................................. 71

Annex F (informative) Methodologies for subjective evaluations..................................... 75

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Annex G (informative) Examples of classification and certification of the indoor

environment .......................................................................................................................... 77

G.1 General ..................................................................................................................................... 77

G.2 The design criteria used .................................................................................................... 77

G.3 Whole year computer simulations of the indoor environment and energy

performance ........................................................................................................................... 77

G.4 Long term measurement of selected parameters for the indoor

environment .......................................................................................................................... 78

G.5 Subjective responses from occupants .......................................................................... 78

Annex H (informative) Recommended criteria for personalized systems ..................... 79

Annex I (informative) Recommended methods for substitute ventilation air by air

cleaning .................................................................................................................................... 81

Annex J (informative) WHO criteria for health in the indoor environment .................. 84

Bibliography ......................................................................................................................................... 85

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European foreword

This document (CEN/TR 16798-2:2019) has been prepared by Technical Committee CEN/TC 156

“Ventilation for buildings”, the secretariat of which is held by BSI.

Attention is drawn to the possibility that some of the elements of this document may be the

subject of patent rights. CEN shall not be held responsible for identifying any or all such patent

rights.

This document is part of the set of standards and accompanying Technical Reports on the energy

performance of buildings and has been prepared under the Mandate M 480 given to CEN by the

European Commission and the European Free Trade Association,
see Bibliographical Reference [35]).

Directive 2010/31/EU recasting the Directive 2002/91/EC on energy performance of buildings

(EPBD, [36]) promotes the improvement of the energy performance of buildings within the

European Union, taking into account all types of energy uses (heating, lighting, cooling, air

conditioning, ventilation) and outdoor climatic and local conditions, as well as indoor climate

requirements and cost effectiveness (Article 1).

The directive requires Member States to adopt measures and tools to achieve the prudent and

rational use of energy resources. In order to achieve those goals, the EPBD requires increasing

energy efficiency and the enhanced use of renewable energies in both new and existing buildings.

One tool for this is the application by Member States of minimum requirements on the energy

performance of new buildings and for existing buildings that are subject to major renovation, as

well as for minimum performance requirements for the building envelope if energy-relevant

parts are replaced or retrofitted. Other tools are energy certification of buildings, inspection of

boilers and air-conditioning systems.

The use of European standards increases the accessibility, transparency and objectivity of the

energy performance assessment in the Member States facilitating the comparison of best

practices and supporting the internal market for construction products. The use of EPB-standards

for calculating energy performance, as well as for energy performance certification and the

inspection of heating systems and boilers, ventilation and air-conditioning systems will reduce

costs compared to developing different standards at national level.

The first mandate to CEN to develop a set of CEN EPBD standards (M/343, [34]), to support the

first edition of the EPBD ([33]) resulted in the successful publication of all EPBD related CEN

standards in 2007-2008.

The Mandate M/480 was issued to review the Mandate M/343 as the recast of the EPBD raised

the need to revisit the standards and reformulate and add standards so that they become on the

one hand unambiguous and compatible, and on the other hand a clear and explicit overview of

the choices, boundary conditions and input data that need to be defined at national or regional

level. Such national or regional choices remain necessary, due to differences in climate, culture

and building tradition, policy and legal frameworks. Consequently, the set of CEN-EPBD standards

published in 2007-2008 had to be improved and expanded on the basis of the recast of the EPBD.

The EPB standards are flexible enough to allow for necessary national and regional differentiation

and facilitate Member States implementation and the setting of requirements by the Member

States.

Further target groups are users of the voluntary common European Union certification scheme

for the energy performance of non-residential buildings (EPBD art.11.9) and any other regional

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(e.g. Pan European) parties wanting to motivate their assumptions by classifying the building

energy performance for a dedicated building stock.

For the convenience of Standards users CEN/TC 156, together with responsible Working Group

Conveners, have prepared a simple table below relating, where appropriate, the relationship

between the ‘EPBD’ and ‘recast EPBD’ standard numbers prepared by Technical Committee

CEN/TC 156 “Ventilation for buildings”.
Recast EPBD
EPBD EN Number Title
EN Number
Energy performance of buildings – Ventilation for
buildings - Part 1: Indoor environmental input
parameters for design and assessment of energy
performance of buildings addressing indoor air
EN 15251 EN 16798–1
quality, thermal environment, lighting and
acoustics (Module M1-6)
(revision of EN 15251)
Energy performance of buildings – Ventilation for
buildings - Part 2: Interpretation of the
requirements in EN 16798-1 - Indoor
CEN/TR 16798– environmental input parameters for design and
N/A
2 assessment of energy performance of buildings
addressing indoor air quality, thermal
environment, lighting and acoustics (Module M1-
Energy performance of buildings – Ventilation for
buildings - Part 3: For non-residential buildings –
Performance requirements for ventilation and
EN 13779 EN 16798–3
room-conditioning systems (Modules M5-1, M5-
(revision of EN 13779)
Energy performance of buildings – Ventilation for
buildings - Part 4: Interpretation of the
CEN/TR 16798– requirements in EN 16798-3 - For non-
N/A
4 residential buildings – Performance
requirements for ventilation and room-
conditioning systems(Modules M5-1, M5-4)
Energy performance of buildings — Ventilation
for buildings – Part 5-1: Calculation methods for
energy requirements of ventilation and air
conditioning systems (Modules M5-6, M5-8, M6-5,
EN 15241 EN 16798–5–1
M6-8, M7-5, M7-8) — Method 1: Distribution and
generation
(revision of EN 15241)
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Recast EPBD
EPBD EN Number Title
EN Number
Energy performance of buildings – Ventilation for
buildings - Part 5-2: Calculation methods for
energy requirements of ventilation systems
EN 15241 EN 16798–5–2
(Modules M5-6, M5-8, M6-5, M6-8, M7-5, M7-8) -
Method 2: Distribution and generation
(revision of EN 15241)
Energy performance of buildings - Ventilation for
buildings – Part 6: Interpretation of the
CEN/TR 16798– requirements in EN 16798-5-1 and EN 16798-5-2
N/A
6 – Calculation methods for energy requirements of
ventilation and air conditioning systems
(Modules M5-6, M5-8, M 6-5, M6-8 , M7-5, M7-8)
Energy performance of buildings - Ventilation for
buildings - Part 7: Calculation methods for the
determination of air flow rates in buildings
EN 15242 EN 16798–7
including infiltration (Modules M5-5)
(revision of EN 15242)
Energy performance of buildings – Ventilation for
buildings – Part 8: Interpretation of the
CEN/TR 16798–
N/A requirements in EN 16798-7 – Calculation
methods for the determination of air flow rates in
buildings including infiltration – (Modules M5-5)
Energy performance of buildings – Ventilation for
buildings - Part 9: Calculation methods for energy
requirements of cooling systems (Modules M4-1,
EN 15243 EN 16798–9
M4-4, M4-9) – General
(revision of EN 15243)
Energy performance of buildings – Ventilation for
buildings – Part 10: Interpretation of the
CEN/TR 16798–
N/A requirements in EN 16798-9 – Calculation
methods for energy requirements of cooling
systems (Module M4-1,M4-4, M4-9) – General
Energy performance of buildings – Ventilation for
N/A EN 16798–13 buildings - Part 13: - Calculation of cooling
systems (Module M4-8) – Generation
Energy performance of buildings – Ventilation for
CEN/TR 16798– buildings - Part 14: Interpretation of the
N/A
14 requirements in EN 16798-13 – Calculation of
cooling systems (Module M4-8) – Generation
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Recast EPBD
EPBD EN Number Title
EN Number
Energy performance of buildings – Ventilation for
N/A EN 16798–15 buildings – Part 15: Calculation of cooling systems
(Module M4-7) – Storage
Energy performance of buildings – Ventilation for
CEN/TR 16798– buildings – Part 16: Interpretation of the
N/A
16 requirements in EN 16798-15 – Calculation of
cooling systems (Module M4-7) – Storage
Energy performance of buildings – Ventilation for
EN 15239 and buildings - Part 17: Guidelines for inspection of
EN 16798–17
EN 15240 ventilation and air- conditioning systems (Module
M4-11, M5-11, M6-11, M7-11)
Energy performance of buildings – Ventilation for
buildings – Part 18: Interpretation of the
CEN/TR 16798–
N/A requirements in EN 16798-17 – Guidelines for
inspection of ventilation and air-conditioning
systems (Module M4-11, M5-11, M6-11, M7-11)
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Introduction

This document is a guide to EN 16798-1 and can help the user in application of the standard and

give additional background information. Besides this document describes and recommends

additional topics related to the evaluation of the indoor environmental quality and new

possibilities to improve the indoor environmental quality and reduce energy use of buildings like

personalized systems, air cleaning technologies, consideration of adapted persons, etc.

This document explains how design criteria can be established and used for dimensioning of

systems. It explains 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. This document

also describes how gas phase air cleaning in the future can improve the indoor air quality and

partly substitute for outside air. Finally it will identify parameters to be used for monitoring and

displaying of the indoor environment. Different categories of criteria can be used depending on

type of building, type of occupants, type of climate and national differences. The report explains

how these different categories of indoor environment can be individually selected as national

criteria, be used in project agreement for design criteria and for displaying the yearly building

performance in relation to indoor environmental quality. The designer can also define other

categories using the principles from EN 16798-1 and this document.
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1 Scope

This document deals with the indoor environmental parameters for thermal environment, indoor

air quality, lighting and acoustic. The document explains how to use EN 16798-1 for specifying

indoor environmental input parameters for building system design and energy performance

calculations. The document specifies methods for long term evaluation of the indoor environment

obtained as a result of calculations or measurements. The document specifies criteria for

measurements which can be used if required to measure compliance by inspection. The

Document identifies parameters to be used by monitoring and displaying the indoor environment

in existing buildings. This document is applicable 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 document explains how different categories of criteria for the indoor

environment can be used.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies.

For undated references, the latest edition of the referenced document (including any

amendments) a
...

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