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BS EN 12831:2003

BS EN 12831:2003

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Heating systems in buildings. Method for calculation of the design heat load

Available format(s)

Hardcopy , PDF

Superseded date

07-31-2017

Language(s)

English

Published date

09-30-2013

Publisher

British Standards Institution

FOREWORD
INTRODUCTION
1 SCOPE
2 NORMATIVE REFERENCES
3 TERMS, DEFINITIONS AND SYMBOLS
4 PRINCIPLE OF THE CALCULATION METHOD
5 GENERAL CONSIDERATIONS
6 DATA REQUIRED
7 TOTAL DESIGN HEAT LOSS FOR A HEATED SPACE - BASIC CASES
8 DESIGN HEAT LOAD
9 SIMPLIFIED CALCULATION METHOD
ANNEX A (INFORMATIVE) BASIC PARAMETERS ON HUMAN COMFORT
        IN INTERIOR THERMAL ENVIRONMENTS - SIGNIFICANCE
        OF OPERATIVE TEMPERATURE IN HEAT LOAD
        CALCULATIONS
ANNEX B (INFORMATIVE) INSTRUCTIONS FOR DESIGN HEAT LOSS
        CALCULATION FOR SPECIAL CASES
ANNEX C (INFORMATIVE) EXAMPLE OF A DESIGN HEAT LOAD
        CALCULATION
ANNEX D (NORMATIVE) DEFAULT VALUES FOR THE CALCULATIONS
        IN CLAUSES 6 TO 9
BIBLIOGRAPHY
National Annex NA (informative) - Guidance for the use of
                  BS EN 12831:2003

Includes methods for calculating the design heat loss and the design heat load for basic cases at the design conditions.

This standard specifies methods for calculating the design heat loss and the design heat load for basic cases at the design conditions.

Basic cases comprise all buildings:

  • with a limited room height (not exceeding 5 m);

  • assumed to be heated to steady state conditions under the design conditions.

Examples of such buildings are: residential buildings; office and administration buildings; schools; libraries; hospitals; recreational buildings; prisons; buildings used in the catering trade; department stores and other buildings used for business purposes; industrial buildings.

In the annexes, information is also given for dealing with the following special cases:

  • high ceiling buildings or large enclosure;

  • buildings where air temperature and mean radiant temperature differ significantly.

Committee
RHE/24
DevelopmentNote
Supersedes 97/707297 DC. (09/2003) Together with BS EN 12828 and BS EN 14336, it supersedes BS 5449(1990). (01/2009)
DocumentType
Standard
Pages
88
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
NS EN 12831 : 1ED 2003 Identical
SN EN 12831 : 2003 Identical
UNE-EN 12831:2003 Identical
I.S. EN 12831:2003 Identical
UNI EN 12831 : 2006 Identical
EN 12831 : 2003 Identical
NEN EN 12831 : 2004 AMD 11 2009 Identical
NBN EN 12831 : 2003 Identical
NF EN 12831 : 2004 Identical

10/30213917 DC : 0 BS 8660-1 - GAS-FIRED MICRO-COGENERATION APPLIANCES OF RATED THERMAL INPUT NOT EXCEEDING 70 KW NET - PART 1: SPECIFICATION FOR SELECTION, INSTALLATION, INSPECTION, COMMISSIONING, SERVICING AND MAINTENANCE OF STIRLING ENGINE MICRO-COGENERATION APPLIANCES
BS 7593:2006 Code of practice for treatment of water in domestic hot water central heating systems
BS 5546:2010 Specification for installation and maintenance of gas-fired water-heating appliances of rated input not exceeding 70 kW net
13/30261683 DC : 0 BS 6798 - SPECIFICATION FOR SELECTION, INSTALLATION, INSPECTION, COMMISSIONING, SERVICING AND MAINTENANCE OF GAS-FIRED BOILERS OF RATED INPUT NOT EXCEEDING 70 KW NET
16/30347136 DC : 0 BS 8303 - INSTALLATION OF DOMESTIC HEATING AND COOKING APPLIANCES BURNING WOOD, WOODY BIOMASS AND SOLID MINERAL FUELS - SPECIFICATION
BS 6798:2009 Specification for installation and maintenance of gas-fired boilers of rated input not exceeding 70 kW net
BS 5871-1:2005 Specification for the installation and maintenance of gas fires, convector heaters, fire/back boilers and decorative fuel effect gas appliances Gas fires, convector heaters, fire/back boilers and heating stoves (2nd and 3rd family gases)
BS 6798:2014 Specification for selection, installation, inspection, commissioning, servicing and maintenance of gas-fired boilers of rated input not exceeding 70 kW net
EN 14336:2004 Heating systems in buildings - Installation and commissioning of water based heating systems
EN 12828:2012+A1:2014 Heating systems in buildings - Design for water-based heating systems
09/30166542 DC : 0 BS 5546 - SPECIFICATION FOR INSTALLATION AND MAINTENANCE OF GAS-FIRED WATER-HEATING APPLIANCES OF RATED INPUT NOT EXCEEDING 70 KW NET
BS 8660-1:2011 Gas-fired micro-cogeneration appliances of rated thermal input not exceeding 70 kW net Specification for selection, installation, inspection, commissioning, servicing and maintenance of Stirling engine micro-cogeneration appliances
05/30133509 DC : DRAFT SEP 2005 BS 7593 - CODE OF PRACTICE FOR TREATMENT OF WATER IN DOMESTIC HOT WATER CENTRAL HEATING SYSTEMS
BS EN 12828 : 2012 HEATING SYSTEMS IN BUILDINGS - DESIGN FOR WATER-BASED HEATING SYSTEMS
BS EN 14336:2004 Heating systems in buildings. Installation and commissioning of water based heating systems

ISO 13789:2017 Thermal performance of buildings — Transmission and ventilation heat transfer coefficients — Calculation method
EN ISO 10211-2 : 2001 THERMAL BRIDGES IN BUILDING CONSTRUCTION - CALCULATION OF HEAT FLOWS AND SURFACE TEMPERATURES - PART 2: LINEAR THERMAL BRIDGES
EN 673:2011 Glass in building - Determination of thermal transmittance (U value) - Calculation method
EN ISO 10456:2007/AC:2009 BUILDING MATERIALS AND PRODUCTS - HYGROTHERMAL PROPERTIES - TABULATED DESIGN VALUES AND PROCEDURES FOR DETERMINING DECLARED AND DESIGN THERMAL VALUES
BS EN 14336:2004 Heating systems in buildings. Installation and commissioning of water based heating systems
ISO 10211-1:1995 Thermal bridges in building construction Heat flows and surface temperatures Part 1: General calculation methods
EN 12524 : 2000 BUILDING MATERIALS AND PRODUCTS - HYGROTHERMAL PROPERTIES - TABULATED DESIGN VALUES
EN ISO 6946:2017 Building components and building elements - Thermal resistance and thermal transmittance - Calculation methods (ISO 6946:2017, Corrected version 2021-12)
EN ISO 14683:2017 Thermal bridges in building construction - Linear thermal transmittance - Simplified methods and default values (ISO 14683:2017)
CR 1752:1998 Ventilation for buildings - Design criteria for the indoor environment
EN ISO 7730:2005 Ergonomics 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)
PREN ISO 13790 : DRAFT 1999 THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF ENERGY USE FOR HEATING
ISO 10456:2007 Building materials and products — Hygrothermal properties — Tabulated design values and procedures for determining declared and design thermal values
ISO 13370:2017 Thermal performance of buildings — Heat transfer via the ground — Calculation methods
EN ISO 13370:2017 Thermal performance of buildings - Heat transfer via the ground - Calculation methods (ISO 13370:2017)
PREN ISO 10077-2 : DRAFT 2009 THERMAL PERFORMANCE OF WINDOWS, DOORS AND SHUTTERS - CALCULATION OF THERMAL TRANSMITTANCE - PART 2: NUMERICAL METHOD FOR FRAMES
EN ISO 10211-1 : 95 COR 2002 THERMAL BRIDGES IN BUILDING CONSTRUCTION - CALCULATION OF HEAT FLOWS AND SURFACE TEMPERATURES - PART 1: GENERAL METHODS
ISO 10211-2:2001 Thermal bridges in building construction Calculation of heat flows and surface temperatures Part 2: Linear thermal bridges
BS EN 12828 : 2012 HEATING SYSTEMS IN BUILDINGS - DESIGN FOR WATER-BASED HEATING SYSTEMS
ISO 6946:2017 Building components and building elements — Thermal resistance and thermal transmittance — Calculation methods
ISO 10077-1:2017 Thermal performance of windows, doors and shutters — Calculation of thermal transmittance — Part 1: General
EN ISO 13789:2017 Thermal performance of buildings - Transmission and ventilation heat transfer coefficients - Calculation method (ISO 13789:2017)
EN ISO 10077-1:2017 Thermal performance of windows, doors and shutters - Calculation of thermal transmittance - Part 1: General (ISO 10077-1:2017, Corrected version 2020-02)
ISO 14683:2017 Thermal bridges in building construction — Linear thermal transmittance — Simplified methods and default values

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