ISO INTERNATIONAL STANDARD 52003-1 First edition 2017-06 Energy performance of buildings - Indicators, requirements, ratings and certificates Part 1: General aspects and application to the overall energy performance Performance énergétique des batiments - Indicateurs, exigences, appreéciations et certificats Partie 1: Aspects généraux et application a la performance énergétique globale Reference number IS0 52003-1:2017(E) International Organization for Standardization @ IS0 2017 ed without license from IHS IS0 52003-1:2017(E) COPYRIGHT PROTECTED DOCUMENT IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Licensee-ZHEJIANG INST OF STANDARDIzoISQ 07 - All rights reserved networking permited without license from IHS IS0 52003-1:2017(E) Contents Page Foreword ..V Introduction. ..vi 1 Scope. 2 Normative references 3 Terms and definitions ..1 4 Symbols and subscripts. 4.1 Symbols .8 4.2 Subscripts. ..8 5 Description of the document .9 5.1 Brief overview of the document. .9 5.2 Selection criteria between the possible options. ..9 5.3 Input and output data of new calculation methodologies. .9 5.3.1 General ..9 5.3.2 Input data. 9 5.3.3 Output data .10 6 Relation between EPB features, indicators, requirements, ratings and certificates ..10 7 Energy performance features and their indicators ..11 7.1 General. .11 7.2 Normalization to building size ..12 7.3 Energy performances and their indicators ..12 7.3.1 Overall energy performances. ..12 7.3.2 Partial energy performances.. ..12 7.4 Ratios of identical/similar quantities as indicators for energy performances. .13 8 Tailoring for requirements and for ratings .14 8.1 Two approaches. ..14 8.2 Project characteristics for tailoring 15 9 Energy performance requirements ..15 9.1 General .15 9.2 Choice of the mix of requirements .16 9.3 Constantorvariablevaluerequirements ..17 9.4 Actual strictness. ..17 9.5 Reporting template for the overall energy performance ..17 10 EPB rating ..18 10.1 General .18 10.2 EPB rating procedures .18 10.3 Reference values ..19 10.3.1 General .19 10.3.2 Requirement as main reference value. ..19 10.3.3 Building stock as reference .20 11 Energy performance certificate .20 11.1 General. 20 11.2 Content of the procedure for a building energy certificate 20 11.3 Content of the energy performance certificate 22 11.3.1 General.. 22 11.3.2 Default graphical representation model 22 Recommendations .23 11.4 12 Quality control ..23 13 Compliance check .23 iii Licensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under license d without license from IHS