Energy Performance of Buildings - Detailed Technical Rules for the set of EPB-standards

This Technical Specification provides guidance in the form of detailed technical rules based on the basic principles, both for the overarching standard and for each standard within the set of EPB-standards.
These detailed technical rules give practical rules on the following subjects for EPB-standards:
-   the standardisation process, including collaborations and consultations;
-   the application range of the standards;
-   common general organisation of each standard and the national implementation;
-   the overarching structure for the energy performance assessment;
-   common model(s) and editorial rules for each standard;
-   common quality aspects for each standard.

Energieeffizienz von Gebäuden - Detaillierte technische Regeln für das EPB-Normenpaket

Diese Technische Spezifikation gibt Anleitung in Form von detaillierten technischen Regeln basierend auf den Grundsätzen für sowohl die Rahmennorm als auch für die einzelnen Normen innerhalb der Reihe zur Gesamtenergieeffizienz von Gebäuden.
Diese detaillierten technischen Regeln geben praktische Regeln zu den folgenden Themen für Normen zur Gesamtenergieeffizienz von Gebäuden:
-   Normungsprozess einschließlich Zusammenarbeit und Beratung;
-   Anwendungsbereich der Normen;
-   die allen diesen Normen gemeinsame allgemeine Gliederung und ihre nationale Umsetzung;
-   Rahmenstruktur für die energetische Bewertung;
-   gemeinsame(s) Modell(e) und gemeinsame Redaktionsregeln für alle diese Normen;
-   gemeinsame Qualitätsaspekte für jede Norm.

Performance énergétique des bâtiments - Règles techniques détaillées pour la série de normes sur la performance énergétique des bâtiments

Energijske lastnosti stavb - Podrobna tehnična pravila za skupino standardov EPBD

CEN/TS 16629 zagotavlja navodila v obliki podrobnih tehničnih pravil na podlagi osnovnih načel, in sicer za glavni standard in vse standarde v okviru skupine standardov EPB. Ta podrobna tehnična pravila določajo praktična pravila o naslednjih temah za standarde EPB: – proces standardizacije, vključno s sodelovanjem in posvetovanji; – obseg uporabe standardov; – skupno splošno organizacijo vsakega standarda in nacionalno izvajanje; – glavno strukturo za oceno energetske učinkovitosti; – skupni(-e) model(-e) in uredniška pravila za vsak standard; – splošne vidike glede kakovosti za vsak standard.

General Information

Status
Published
Publication Date
29-Jul-2014
Current Stage
9092 - Decision on results of review/2YR ENQ - revise - Review Enquiry
Due Date
02-Sep-2020
Completion Date
21-Sep-2020

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SLOVENSKI STANDARD
SIST-TS CEN/TS 16629:2014
01-oktober-2014
(QHUJLMVNHODVWQRVWLVWDYE3RGUREQDWHKQLþQDSUDYLOD]DVNXSLQRVWDQGDUGRY
(3%'

Energy Performance of Buildings - Detailed Technical Rules for the set of EPB-standards

Energieeffizienz von Gebäuden - Detaillierte technische Regeln

Performance énergétique des bâtiments - Règles techniques détaillées pour l’ensemble

des normes PEB
Ta slovenski standard je istoveten z: CEN/TS 16629:2014
ICS:
27.015 (QHUJLMVNDXþLQNRYLWRVW Energy efficiency. Energy
2KUDQMDQMHHQHUJLMHQD conservation in general
VSORãQR
91.120.10 Toplotna izolacija stavb Thermal insulation of
buildings
SIST-TS CEN/TS 16629:2014 en,fr,de

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

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SIST-TS CEN/TS 16629:2014
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SIST-TS CEN/TS 16629:2014
TECHNICAL SPECIFICATION
CEN/TS 16629
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
July 2014
ICS 91.140.99
English Version
Energy Performance of Buildings - Detailed Technical Rules for
the set of EPB-standards

Performance énergétique des bâtiments - Règles Energieeffizienz von Gebäuden - Detaillierte technische

techniques détaillées pour la série de normes sur la Regeln für das EPB-Normenpaket

performance énergétique des bâtiments

This Technical Specification (CEN/TS) was approved by CEN on 10 May 2014 for provisional application.

The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit their

comments, particularly on the question whether the CEN/TS can be converted into a European Standard.

CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS available

promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in parallel to the CEN/TS)

until the final decision about the possible conversion of the CEN/TS into an EN is reached.

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, 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: Avenue Marnix 17, B-1000 Brussels

© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 16629:2014 E

worldwide for CEN national Members.
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CEN/TS 16629:2014 (E)
Contents Page

Foreword ..............................................................................................................................................................4

Introduction .........................................................................................................................................................6

1 Scope ......................................................................................................................................................7

2 Normative references ............................................................................................................................7

3 Terms and definitions ...........................................................................................................................7

4 Symbols, units and subscripts .............................................................................................................7

5 General ....................................................................................................................................................8

6 Standardization process .......................................................................................................................8

6.1 General ....................................................................................................................................................8

6.2 Coordination of EPB-standards ...........................................................................................................9

6.2.1 General ....................................................................................................................................................9

6.2.2 Coordination with product standards..................................................................................................9

6.2.3 Coordination between CEN and ISO ....................................................................................................9

6.2.4 Dynamic interaction with national authorities ................................................................................. 10

7 Application range................................................................................................................................ 10

7.1 General ................................................................................................................................................. 10

7.2 Energy performance requirements ................................................................................................... 10

7.3 Energy certification ............................................................................................................................ 11

7.4 System inspection .............................................................................................................................. 11

7.5 Recommendations and energy auditing .......................................................................................... 11

7.6 System sizing ...................................................................................................................................... 11

7.7 Different levels of complexities ......................................................................................................... 11

7.8 Flexibility ............................................................................................................................................. 12

8 National implementation and adaptation ......................................................................................... 12

8.1 General ................................................................................................................................................. 12

8.2 Presenting national options .............................................................................................................. 12

8.3 Split between common part and national/regional choices and input data ................................. 13

8.4 National annexes ................................................................................................................................ 13

8.4.1 General ................................................................................................................................................. 13

8.4.2 Content of National implementing standards .................................................................................. 13

9 Modular structure ............................................................................................................................... 14

9.1 General ................................................................................................................................................. 14

9.2 Terms, definitions and symbols ........................................................................................................ 14

9.3 Matching time steps ........................................................................................................................... 14

9.4 Input values and assumptions .......................................................................................................... 14

10 Common models and editorial rules................................................................................................. 15

10.1 Common structure of an EPB-standard ........................................................................................... 15

10.1.1 General ................................................................................................................................................. 15

10.1.2 Title of the EPB-standard ................................................................................................................... 15

10.1.3 Introduction of the EPB-standard ..................................................................................................... 16

10.1.4 Scope of the EPB-standard ............................................................................................................... 16

10.1.5 Normative references within an EPB-standard ............................................................................... 17

10.1.6 Definitions and symbols within an EPB-standard ........................................................................... 17

10.1.7 Description of the methods, presenting alternative methods provided by an EPB-standard .... 18

10.1.8 Time step used within an EPB-standard .......................................................................................... 18

10.1.9 Individual method descriptions provided by an EPB-standard ..................................................... 19

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10.1.10 Quality control ..................................................................................................................................... 22

10.1.11 Compliance check ............................................................................................................................... 23

10.1.12 Annexes ................................................................................................................................................ 23

10.2 Common structure and contents of a Technical Report accompanying an EPB-standard ........ 23

10.3 Accompanying electronic spread sheet ........................................................................................... 24

10.4 Editorial rules ....................................................................................................................................... 25

10.4.1 General ................................................................................................................................................. 25

10.4.2 Neutrality .............................................................................................................................................. 25

10.4.3 Numerical values ................................................................................................................................. 25

10.4.4 Symbols and Equations style and equation numbering ................................................................. 25

10.4.5 Table style and numbering ................................................................................................................. 27

10.4.6 Figures .................................................................................................................................................. 27

10.4.7 Verbal forms, use of modal auxiliary verbs ...................................................................................... 27

10.4.8 References in the normative text ....................................................................................................... 28

11 Quality aspects .................................................................................................................................... 28

11.1 Validation and demonstration ............................................................................................................ 28

11.2 Relevance, sensitivity and balanced accuracy ................................................................................ 29

11.2.1 Relevance ............................................................................................................................................. 29

11.2.2 Reproducibility .................................................................................................................................... 29

11.2.3 Balance between accuracy and required effort................................................................................ 29

11.3 Software proof ..................................................................................................................................... 30

11.3.1 General ................................................................................................................................................. 30

11.3.2 Naming.................................................................................................................................................. 30

11.3.3 Options ................................................................................................................................................. 30

11.3.4 Correlations ......................................................................................................................................... 30

11.3.5 Iterations............................................................................................................................................... 30

11.3.6 Structuring of the method .................................................................................................................. 30

11.3.7 Specifying all input/output variables ................................................................................................. 30

11.4 Calculation options ............................................................................................................................. 31

11.4.1 Different levels of complexities ......................................................................................................... 31

11.4.2 Hierarchy in simplified versus detailed procedures ........................................................................ 31

11.5 Quality control of the calculation ...................................................................................................... 31

11.6 Compliance check ............................................................................................................................... 31

11.7 Common example cases..................................................................................................................... 31

Annex A (normative) Technical rules application checklist ....................................................................... 33

A.1 General ................................................................................................................................................. 33

A.2 Checklist fields description ................................................................................................................ 33

A.2.1 Technical rule ...................................................................................................................................... 33

A.2.2 Application ........................................................................................................................................... 33

A.2.3 Details ................................................................................................................................................... 33

Bibliography ...................................................................................................................................................... 38

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Foreword

This document (CEN/TS 16629:2014) has been prepared by Technical Committee CEN/TC 371 “Energy

Performance of Buildings Project Group”, the secretariat of which is held by NEN.

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.

This document has been prepared under a mandate given to CEN by the European Commission and the

European Free Trade Association (Mandate M/480, [2]).

This document supports requirements of EU Directive 2010/31/EC on the energy performance of buildings

(EPBD). It forms part of a series of standards aimed at European harmonization of the methodology for the

calculation of the energy performance of buildings.

Directive 2010/31/EU recasting the Directive 2002/91/EC on energy performance of buildings (EPBD) [1]

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.

NOTE 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 standards to support the EPBD (M/343) resulted in the

successful publication of several EPBD related CEN standards in 2007-2008. The second mandate to CEN

(M/480, [2]) was issued to review the Mandate M/343 as the recast of the EPBD raises 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

current set of EPBD related standards had to be improved and expanded on the basis of the recast of the

EPBD. EPB-standards should be flexible enough to allow for necessary national and regional differentiation

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

The set of EBP-standards should consist of a comprehensive package of Technical Specifications and

European Standards that are manageable and user-friendly for regulators, product Technical Specification

drafters, drafters of European Technical Approval Guidelines/Common Understanding Assessment

Procedures (ETAGs/CUAPs), producers, notified bodies and users.

The set-up of a coherent set EPB-standards under Mandate M/480 was split into two phases:

— the development of (and agreement on) the underlying basic principles and detailed technical rules for

drafting EPB-standards providing a coherent modular structure and an overarching EPB-standard

following these rules and principles;
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— on the basis of the results of phase 1: the preparation/revision of the complete set of EPB- standards.

The basic principles and technical rules were developed to ensure the necessary overall consistency in

terminology, approach, input/output relations and formats in all EPB-standards In these rules and

specifications requirements from competent national legal authorities of EU and EFTA Member States

(aggregated by the CAP-EDMC liaison committee) were taken into account.

It is anticipated that during phase 2 additions or modifications of the overarching EPB-standard and/or basic

principles and detailed technical rules might be needed.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following

countries are bound to announce this Technical Specification: 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.

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Introduction

This Technical Specification has been developed to guide the revisions under M/480 phase 2 as well as all

future work on EPB-standards. In order to facilitate coordination, consistency and coherence of EPB-

standards, the following tools are available:

a) a Technical Specification on the basic principles to be followed in drafting EPB-standards;

b) a Technical Specification on the detailed technical rules to be followed in drafting EPB-standards (this

document);
c) in addition, the following TC/371 documents are available;

1) a template for the EPB-standards, including reminders of applicable rules in the relevant clauses;

2) a template for the EPB Technical Reports that shall accompany each EPB standard;

3) a spread sheet template to be used to demonstrate the correctness of the standardized calculation

procedures.

All work on (intended) EPB-standards will follow the basic principles and the detailed technical rules and relate

to the overarching EPB-standard, (FprEN 15603).
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CEN/TS 16629:2014 (E)
1 Scope

This Technical Specification provides guidance in the form of detailed technical rules based on the basic

principles, both for the overarching standard and for each standard within the set of EPB-standards.

These detailed technical rules give practical rules on the following subjects for EPB-standards:

— the standardization process, including collaborations and consultations;
— the application range of the standards;
— common general organization of each standard and the national implementation;
— the overarching structure for the energy performance assessment;
— common model(s) and editorial rules for each standard;
— common quality aspects for each standard.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated references,

the latest edition of the referenced document (including any amendments) applies.

FprEN 15603:2014, Energy Performance of Buildings – Overarching standard EPB

CEN/TS 16628, Energy Performance of Buildings – Basic Principles for the set of EPB-standards

3 Terms and definitions

For the purposes of this document, the terms and definitions given in FprEN 15603:2014 and the following

apply.
3.1
EPB-standard

standard being part of a set of standards providing a coherent methodology for assessing the energy

performance of buildings using a holistic approach

Note 1 to entry: EPB-standards are developed and/or revised in accordance with and have to comply with the basic

principles and detailed technical rules developed by CEN/TC 371 under Mandate M/480 following the Energy Performance

of Buildings Directive (2010/31/EU, EPBD recast). The term EPB-standard may apply to either EN standards or to EN ISO

standards.

Note 2 to entry: EPB-standards are drafted on the basis of relevant existing International, European and National

standards and the work of the CEN-CENELEC Product TCs. They have to take into account EU Directives (other than the

EPBD), such as the Construction Products Directive (89/106/EEC), the revised Labelling Directive 2010/30/EU, the

Energy related Products Directive 2009/125/EC, the Energy End Use Efficiency and Energy Services Directive

(2006/32/EC), the INSPIRE Directive (2007/2/EC) and Mandate M324 and the Boiler Efficiency Directive(92/42/EC).

4 Symbols, units and subscripts

For the purposes of this document, all symbols, units and subscripts provided in the overarching EPB-

standard FprEN 15603:2014 apply.
NOTE No specific symbols are used in this Technical Specification.
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5 General

Any standard which is intended to be part of the set of EPB-standards shall comply with CEN drafting rules

and with the additional requirements given in the Technical Specification.
Each EPB-standard shall be accompanied by:
— a Technical Report in accordance with 10.2;
— a spreadsheet complying with requirements given in 10.3.
There shall be a clear distinction between normative text and informative text:

— the text of any assessment related CEN EPB-standard shall contain only the assessment procedures and

all related provisions (i.e. source of data, calculation options);

— all explanations, informative text, validation results and examples shall be given in the accompanying

Technical Report.

The checklist given in Annex A shall be used to give evidence of the fulfilment of the requirements given in

this CEN Technical Specification.

This CEN Technical Specification includes both editorial rules and technical rules about the contents of each

standard in the CEN EPB package.

The detailed rules specified in this document apply to both new EPB-standards and the revision of already

existing standards to be included into the set of EPB-standards.
6 Standardization process
6.1 General

NOTE CEN/TS 16628:2014, 6.1, gives an overview of the coordination process to safeguard coherence when

developing EPB-standards.

This Technical Specification deals with aspects of the standardization process that are specific for EPB-

standards.

All EPB-standards shall be developed following the common standardization procedures, comply with

CEN/CENELEC and ISO/IEC drafting rules [6] [7] and the additional requirements set by CEN/TS 16628 and

stated in this Technical Specification (CEN/TS 16629).

For each work item, the responsible Working Group shall deliver a package consisting of:

— the specific standard to be included in the EPB-standards package;

— an accompanying Technical Report with informative text essential for the correct understanding and

application of the standard;
— the accompanying spread sheet;

— the checklist given in Annex A, completed to give evidence of implementation of CEN/TS 16628 and

CEN/TS 16629 rules.
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CEN/TS 16629:2014 (E)
6.2 Coordination of EPB-standards
6.2.1 General

EPB-standards are required for technologies specified in the Technical Report accompanying FprEN 15603.

These standards have to be set up/maintained by respective competent TCs.

The modular structure defined in the overarching EPB-standard (FprEN 15603) shall be used to identify these

standards. Each individual EPB-standard may cover one module, part of it or a number of modules defined in

FprEN 15603:2014, Clause 6.

In order to maintain coherence between EPB-standards, coordination considering the use of terms, symbols,

and time steps is essential. For this, standard developers should contact CEN/TC 371 prior to publishing the

draft EPB-standard for public enquiry. CEN/TC 371 is the horizontal TC responsible for the coherence of EPB-

standards. In order to safeguard whether the terms for accepting a standard within the EPB-standard

package, checking by CEN/TC 371 is essential.

In order to safeguard the coherence between EPB-standards, coordination between the competent TC(s) and

CEN/TC 371 is required if one of the calculation procedures in the set of EPB-standards requires one of the

following:
— data that is not defined by a product standard;
— data for which no standardized measurement procedure is available;
— data that is not consistent with requirements from related EU Directives .
6.2.2 Coordination with product standards

In defining calculation procedures, product data already defined in the relevant CEN/TC shall be used

whenever appropriate. Each WG shall check the availability of appropriate input data in the relevant EN

product standards.
6.2.3 Coordination between CEN and ISO

NOTE 1 See CEN/TS 16628 for the basic principles for developing EN ISO EPB standards.

Having different CEN and ISO standards would harm both CEN and ISO as well as the users of the

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