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EN and EN-ISO EPB-standards The framework of the revised Overarching Standard
prEN-ISO/DIS42000-1, current status M480 work CEN: European Standard Organisation; ISO: International Standard Organisation
EPB: Energy Performance Buildings
Jaap Hogeling Chair CEN TC 371 Program Committee on EPBD
Chair of JWG of ISO TC 163&205 advisory group on coordination of ISO and CEN Work on EPB j.hogeling@isso.nl
Fellow of ASHRAE and REHVA
CEN /ISO project on EPB standards development, current status
Basic principles EPB standards (EN/TS 16628)
Detailed Technical Rules (EN/TS 16629)
TR: Explanation and justification
(EN-ISO/TR 52000-2)
Overarching standard EPB (EN ISO 52000-1)
Whole set of EN (ISO) EPB standards
Fee
d b
ack
rev
isio
n
Phase 1 (2011-2014)
Phase 2
(2013-2016)
REHVA-sem'15 10/05/2015
Status/Planning EPB-project
• During 2015 expected closing enquiries for most of the draft EPB-standards (EN and EN-ISO)
• The OAS: prEN ISO/DIS 52000-1 is now at enquiry stage Closing date 2015-11-27.
• The OAS connected TR is available as N-document at CENTC371, ISO/TC163 and ISO/TC205 level, voting on TR is expected parallel to the FV of the OAS around mid-2016.
• For all EPB standards: The end of 2015, some begin 2016 most Enquiry comments to be resolved and draft Formal Vote versions ready at TC level.
• After voting we expect that by the end of 2016 / beginning 2017 all EPB-standards will be published as EN or EN-ISO standards
10/05/2015 REHVA-sem'15
Observation in Europe
• One of the important instruments to support the proper implementation of the EPBD policy is the modularly structured, transparent, unambiguous, but flexible* set of EN and ISO EPB standards
*: for local climate, national legal framework, building tradition, building use, existing local energy-infrastructure, etc…
REHVA-sem'15 10/05/2015
Why we need this flexibility and transparency
Flexibility: to be suitable for:
– local climate,
– National/ regional legal framework,
– National/ regional building tradition and building use,
– existing local (national or regional) energy-infrastructure,
– Etc…
Transparency: to accommodate a levelled playing field when:
– Expressing the EP of buildings
– offering various energy (or CO2) saving solutions
10/05/2015 REHVA-sem'15
Example of the very different heat and electricity markets in EU
Other
Gas
Oil Heating Structure
Mainly gas heating DH mainly CHP based biofuels for DH
Netherlands Germany Sweden
100% 100% 100%
(Gas, Waste)
(Coal, Gas, Waste)
(Bio, Waste)
Renewables incl. Heat Pumps
District Heating (DH main fuels)
Gas
Coal CHP CHP Nuclear CHP
Electricity Production and CHP
Quota
Netherlands CHP mainly in industry
100% 100% 100%
Non CHP
Germany CHP mainly for
DH
Non CHP
Sweden Nuclear and hydro
for electricity
Non CHP
Other
Hydro
Wind, PV
Biofuels
Revised OAS
• Improved description of zoning procedures, if zoning is chosen : rules to be followed are given
• Balanced attention to monthly and hourly approaches
• Improved definitions
• Given default values and choices (as in all EPB standards) are informative via the Annex A/B approach
• Annex A/B resolves many questions related to national/regional choices or conventions (think of the primary energy factors or the precise definition of nearby and distant in this context)
10/05/2015 REHVA-sem'15
The modular structure supports Flexibility and transparency of the
set of EPB standards
• The OAS as the backbone of the total set of EPB standards
• By not using one of the standards it is clear which in-/output data have to be declared to replace this module
10/05/2015 REHVA-sem'15
HEAT GAINS
EN 16789-1 (Internal gains)
EN ISO 52022-1-2-3 (Solar gains)
LIGHTING
EN 15193-1
BUILDING PROPERTIES
INDOOR ENVIRONMENT REQUIREMENTS
CLIMATIC CONDITIONS
CONVERSION TO PRIMARY ENERGY EN ISO 52000-1 (EN 15603)
ENERGY PERFORMANCE EN ISO 52003
CALCULATION OF BUILDING ENERGY NEEDS FOR HEATING, COOLING AND (DE)HUMIDIFICATION EN 52016-1
CALCULATION OF BUILDING POWER DEMAND EN 12831-1 (HEATING) / EN 16798-11 (COOLING)
EN ISO 6946
EN ISO 13789
EN ISO 10077
EN 12831-3
EN 15316-3-1
EN 16798-1 (Indoor Environment)
EN 16798-3 (Ventilation Systems)
EN 12464-1 (Visual Comfort)
EN ISO 52010-1
National
standards
DHW
EN 15316-1
EN 15316-3-2
EN 15316-5
EN 15316-3-3
VENTILATION
EN 16798-3
EN 16798-7
EN 16798-5
EN 16798-5
HEATING
EN 15316-1
EN 15316-2
EN 15316-3
EN 15316-5
EN 15316-4 (1 to 8)
COOLING
EN 16798-9
EN 15316-2
EN 15316-3
EN 16798-15
EN 16798-13
BUILDING
AUTOMA-
TION
SYSTEM &
CONTROL
EN 15232-1
TR 15232-2
Emission
Distribution
Storage
Generation
Energy needs
General
EN 15193-1
10/05/2015 REHVA-sem'15
workshop
Global set of standards on Energy Performance
of Buildings (EPB)
Many of EPB standards are expected
to be published as EN-ISO standards
Climatic data
Operating
conditions
Building and
building
elements
Assessment
boundaries
Overall EP
balance
Ways to
express EP
Heating
systems
Cooling
systems
Lighting and
lighting
systems
Ventilation
systems
Domestic Hot
Water
systems
Building
automation &
Control Indoor env.
Etc…..
Etc.
ISO 52000
ISO 52001
ISO 52003
ISO 52004
…
ISO 52009
ISO 52010
..
ISO 52015
ISO 52016
ISO 52017
ISO 52018
ISO 52019
ISO 52020
ISO 52021
ISO 52022
…
ISO 52145
ISO 52146
ISO 52147
ISO 52148
ISO 52149
ISO 52150
Early 2014:
Consecutive
ISO numbers
reserved for
EPB set
various
standards
REHVA-sem'15 10/05/2015
Principle EPB system standards
Energy
needs
Energy
use
Product
characteristics
EP From product standards to
overall energy use incl. technical building systems
Product is not longer evaluated
as a product but as
part of a system
Maintain the links between
product testing and system
evaluation
EP: Overall Building Energy Performance
REHVA-sem'15 10/05/2015
Continuity from the product to the system energy performance assessment
JWG ISO TC 163/ISO TC 205
Holistic approach
ISO TC 205 (System TC)
Technical Building Systems,
bldng environment design
(System loss calculation)
ISO TC 163 (Building TC)
Bldng energy use, envelope
characteristics, climatic data
(Building energy use calculation)
Product TC’s like ISO/TC 86;115;117; 118; etc….(Evaluation of product characteristics)
Building Energy use
Building Energy needs
Product characteristics
Building Energy Perform. Product no longer evaluated
as a product
but as a part of a system
IMPORTANT:
Holistic approach
is based on (tested) product characteristics
REHVA-sem'15 10/05/2015
13
EN-ISO 52000-1
Flexibility in use of EPB Standards the OAS: ISO 52000-1 as Backbone
• CALCULATION STRUCTURE ISO 52000-1 + general parts
• CALCULATION MODULES FOR EACH STEP 1 XLS per module
• EACH CALCULATION MODULE REQUIRES – INTERCONNECTION VALUES
(I/O TO THE STRUCTURE)
– PRODUCT DATA (LOCAL DATA)
– OTHER LOCAL DATA ABOUT SPECIFIC APPLICATION (LIKE LOCALISATION , INDOOR/ OUTDOOR INSTALLATION INFO)
EN ISO XXX
ISO XXX
EN-ISO XXX
IN
OUT
OUT
IN
IN
OUT
OUT
IN
IN
OUT
OUT
IN
IN
PRODUCT DATA
OTHER LOCAL DATA
IN
PRODUCT DATA
OTHER LOCAL DATA
IN
PRODUCT DATA
OTHER LOCAL DATA
INTER CONNECTION
LOCAL DATA
MODULES
14
Replacing a module with a non- EN or EN-ISO-standard one
• Possible thanks to the modular structure
• … but the I/O structure has to be respected
• Needed info can be found both in the accompanying XLS and in the specific I/O clauses in the EN or EN-ISO standard
EN ISO 45000-1
EN ISO XXX
Non-EN Std
ISO XXX
IN
OUT
OUT
IN
IN
OUT
OUT
IN
IN
OUT
OUT
IN
IN
PRODUCT DATA
OTHER LOCAL DATA
IN
PRODUCT DATA
OTHER LOCAL DATA
IN
PRODUCT DATA
OTHER LOCAL DATA
NATIONAL MODULE
Connection of custom modules: input data
Each calculation module needs two types of input data:
• Data coming from other parts of the calculation: (required energy output, operating conditions, etc.),
• Data specified only when using this module, «local data» Typically these are product data and application conditions like localization of components (boiler, pipes indoor/outdoor)
Conditions to be satisfied by custom non-EN/ISO modules:
• The input data of the replaced module, together with custom local data, shall be complete, to be able to perform the calculation according to the custom module.
• The available input data coming from other parts are listed as «operating conditions» in the input data specification of the replaced EN/ISO standard module
10/05/2015 REHVA-sem'15
Set of EPB standards: unambiguous but flexible (allowing national choices, boundary conditions and input data)
Each EPB standard contains:
• Annex A (normative): template for choices and input data needed for using the standard
• Annex B (informative): informative default choices and input data
• In general:
– Each individual user of the EPB standard is free to create his/her own data sheet according to the template of Annex A (~ replace the default choices and values of Annex B)
10/05/2015 REHVA-sem'15
Explained in a note in the OAS and each EPB standard’s Annex A and
Annex B “
NOTE
In particular for the application within the context of regional or national legal requirements.
These choices (either the default choices from Annex B or choices adapted to national/regional needs),
but in any case following the template of this Annex A
can be made available as National Annex or as separate (e.g. legal) document.
”
10/05/2015 REHVA-sem'15
The OAS and all developed EPB
standards • have a modular and transparent structure, an
unambiguous framework for default values and choices
• Include default values and choices in annex B to most of the EPB standards;
• Include the possibility as user, national or regional authority, to create (national) Annexes based on the Annex A template;
10/05/2015 REHVA-sem'15
Table B.25 — Weighting factors (based on net calorific value)
ISO-TC163-205-WS-Victoria 9/13/2015
Example on prEN156798-1
• prEN16798-1: Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics - (revision of EN 15251)
• This standard gives the opportunity to declare next to the EP of buildings the IEQ-classification in a standardised way
10/05/2015 REHVA-sem'15
Example of a table with default values in Annex B
10/05/2015 REHVA-sem'15
Example of a empty table in Annex A
10/05/2015 REHVA-sem'15
National implementation of EPB standards:
• National cover page and the Introduction text in the EPB standards: this text allows the NSB’s (or authorities) to include information regarding the position of the EPB standard in their national regulation, version indication etc…
• NSB’s can publish a National Annex to each EPB standards where they make use of the Annex A template. A National Annex is not an Annex A.
• A NA is a separate document, it does not have to be attached to the standard it refers to
• A NA could include more additional information! More National Annexes could be developed, e.g. for different building functions etc…
10/05/2015 REHVA-sem'15
The main target-groups of the set of EPB standards
It is expected, if the default values and choices in Annex B are not followed due to national regulations, policy or traditions, that:
– Either the NSB will consider the possibility to add or include a National Annex in agreement with the template of Annex A.
– Or the national or regional authorities will, in the building regulations, reference the standard and prepare data sheets containing the national or regional choices and values, in agreement with the template of Annex A.
• Further target groups are: – users of the voluntary common European Union certification scheme
for the energy performance of non-residential buildings
– other Pan EU or Global parties wanting to motivate their policy by classifying the building EP for a dedicated building stock.
– Global Innovators on the EP-market 10/05/2015 REHVA-sem'15
EPB standard with formulas
Excel files including all calculations and input output
input data from other EPB standards, product data or boundary conditions
output data to be used as input for other EPB standards
final or intermediate results as input for the OAS EN15603 like Energy Performance expressions etc.
Checking the calculation procedures in each EPB standard
defining the data exchange in an unambiguous way offering software developers a clear interpretation how standards shall be used
To other EPB standards
10/05/2015 REHVA-sem'15
Software tool to support the development and future use of the EPB-standards by
software developers • internal tool to support, to demonstrate and validate
– the consistency and unambiguity of equations in the set of EPB-standards and
– their interconnecting procedures: all in- and outputs of the EPB standards will clearly be defined
• After this check the included excel files will be publicly available
• Public link to website (at NEN livelink site)
• Login: epb.public@nen.nl Password: for-info-only
10/05/2015 REHVA-sem'15
ISO_DIS_52000-1_SS_2015_05_13.xlsm
10/05/2015 REHVA-sem'15
Current status of the draft prEN-ISO 52000-1 and connected TR
EN 1. Mid-May 2015 draft prEN15603
ready for CEN and LC 2. Start Enquiry: 28-August 2015 3. Closure Enquiry 27-November
2015 4. Ready for FV April 2016 (or if
FV can be skipped this is the submission to CCMC date for publication)
5. Expected to be ready for publication (after FV) October 2016 (final text is set);
6. Expected publication by NSB’s begin 2017
TR • Revisions TR follow changes in EN
constantly
• June 2015 draft TR to CEN, ISO and LC for comments
• April 2016 draft TR out for enquiry & vote (=TCA)
• Expected to be ready for publication (after TCA) October 2016
• Expected publication by NSB’s begin 2017
10/7/2015 CENTC371 30
CEN/TC 89 Energy performance of the building and building components
The two “end of pipeline” EPB standards, EN ISO 52003-1 and EN ISO 52018-1, dealing with indicators, requirements, ratings and certification:
• Planned to be submitted for formal vote during the first quarter of 2016
• EN ISO 52003-1, Energy performance of buildings – Indicators, requirements, ratings and certification – Part 1: General aspects and application to the overall EPB
EN ISO 52018-1, Energy performance of buildings — Indicators for partial EPB requirements related to thermal energy balance and fabric features — Part 1: Procedures
All other CEN/TC 89 related standards:
• Planned to be submitted for formal vote before the end of 2015
10/7/2015 CENTC371 31
CEN/TC 156 - EN 16798-Family Standard new Standard old Title Public enquiry TR
Spread-
sheet
EN 16798-1 EN 15251
Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics
To be Finished by 29
September 16798-2 n.a.
EN 16798-3 EN 13779
Energy performance of buildings - Part 3: Ventilation for non-residential buildings - Performance requirements for ventilation and room-conditioning systems; (revision of EN 13779)
Finished 27-4-2015
16798-4 n.a.
EN 16798-5-1 EN 15241
Energy performance of buildings - Part 5: Ventilation for buildings - Modules M5-6, M5-8, M6-5, M6-8, M7-5, M7-8 - Calculation methods for energy requirements of ventilation and air conditioning systems; (revision of EN 15241) - method 1
Finished 7-09-2015
16798-6-1 Yes
EN 16798-5-2 EN 15241
Energy performance of buildings - Part 5: Ventilation for buildings - Modules M5-6, M5-8, M6-5, M6-8, M7-5, M7-8 - Calculation methods for energy requirements of ventilation and air conditioning systems; (revision of EN 15241) - method 2
Finished 26-07-2015
16798-6-2 Yes
EN 16798-7 EN 15242
Energy performance of buildings - Part 7: Ventilation for buildings - Modules M5-1, M5-5, M5-6, M5-8 - Calculation methods for the determination of air flow rates in buildings including infiltration; (revision of EN 15242)
Finished – 27-4-2015
16798-8 Yes
CEN/TC 156 - EN 16798-Family
Standard new Standard
old Title Public enquiry TR
Spread-
sheet
EN 16798-9 EN 15243
Energy performance of buildings - Part 9 : Ventilation for buildings - Module M4-1 -Calculation methods for energy requirements of cooling systems - general;
Finished 27-4-2015
16798-10 yes
EN 16798-11 Energy performance of buildings - Part 11 : Module M4-3 - Calculation of the design cooling load
Finished 16-08-2015
n.a. n.a.
EN 16798-13 Energy performance of buildings - Part 13 : Module M4-8 - Calculation of cooling systems - generation;
Finished 27-4-2015
16798-14 Yes (2)
EN 16798-15 Energy performance of buildings - Part 15 : Module M4-7 - Calculation of cooling systems - storage – General
Finished 27-4-2015
16798-16 Yes
EN 16798-17 EN EN
15239 15240
Ventilation for buildings – Energy performance of buildings - Guidelines for inspection of air-conditioning systems (revision of EN 15240)
Finished 27-4-2015
16798-18 n.a.
The drafts of TC 156 were all published for enquiry, all finished enquiry. TC156 meeting end of November: expected all standards acceptance for FV>> all ready by end of 2015. EN 16798-1 may have some delay given the relation with the OAS
CEN/TC 169 – Light and Lighting
prEN 15193-1: Energy performance of buildings - Module M9 - Energy requirements for lighting - Part 1: Specifications
prCEN/TR 15193-2: Energy performance of buildings - Module 9 - Accompanying Technical Report on Energy requirements for lighting standard
Expected ready for FV and 2nd TCA for TR by end of 2015
CEN/TC 228 Heating systems
• All prEN’s of TC 228 finished enquiry; comments and revisions in process; meeting TC end of September 2015 accepted all for FV
• all standards are expected to become ready for FV by the end of 2015 or some at the latest before end March 2016, including draft TR’s for TCA and connected Excels.
35
CEN/TC 247 Contribution of Building
Automation, Controls and Building Management
• Seven standards on Contribution of BAC/BM and their accompanying TR
• Ready to be published for enquiry
• Expected start of enquiry: 3 December 2015
• Closing of enquiry: 3 March 2016
• TR’s and FV versions ready by April 2016, with possible short delay due to interrelation other EPB standards and OAS
10/7/2015 CENTC371 36
Collaboration with ISO
10/05/2015 REHVA-sem'15
Status of the ISO interaction
• An active process of interaction for the Overarching Type of standards through the JWG of ISO TC 163 & 205
• for the other CEN standards via the different WG’s of ISO TC 163 and 205, Sharing early prelim draft texts
• Sharing experts in the ISO and CEN teams working on these standards, with the ultimate goal to agree on ISO standards
• A challenge given the geographic and other differences in the building sector, given the very tight time scale at CEN level, for EPB standards under some of the CEN TC’s the cooperation with ISO is for the time being informal (no parallel voting).
• In ISO a series of numbers has been reserved for all EPB standards (52000----52150)
10/05/2015 REHVA-sem'15
Summary • CEN and ISO are on a fast track to develop the
procedures and standards for buildings, systems and products towards low energy buildings that could meet the nZEB targets
• The developed EPB standards and procedures will offer the flexibility to apply them throughout Europe and Globally
• CEN and ISO cooperate to achieve a common set of EPB standards ( for ISO in the 52000 series: 52000—52150 have been reserved)
10/05/2015 REHVA-sem'15
The end
Slide 43
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