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BS EN ISO 13370:2017

Current

Current

The latest, up-to-date edition.

Thermal performance of buildings. Heat transfer via the ground. Calculation methods

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

16-08-2017

€303.84
Excluding VAT

Committee
B/540/8
DevelopmentNote
Supersedes 94/100865 DC. (11/2005) Supersedes 05/30134442 DC. (03/2009)
DocumentType
Standard
Pages
66
PublisherName
British Standards Institution
Status
Current
Supersedes

This document provides methods of calculation of heat transfer coefficients and heat flow rates for building elements in thermal contact with the ground, including slab‐on‐ground floors, suspended floors and basements. It applies to building elements, or parts of them, below a horizontal plane in the bounding walls of the building situated

  • at the level of the inside floor surface, for slab‐on‐ground floors, suspended floors and unheated basements;

NOTE1 In some cases, external dimension systems define the boundary at the lower surface of the floor slab.

  • at the level of the external ground surface, for heated basements.

This document includes calculation of the steady‐state part of the heat transfer (the annual average rate of heat flow) and the part due to annual periodic variations in temperature (the seasonal variations of the heat flow rate about the annual average). These seasonal variations are obtained on a monthly basis and, except for the application to dynamic simulation programmes in Annex D, this document does not apply to shorter periods of time.

NOTE2 Table 1 in the Introduction shows the relative position of this document within the set of EPB standards in the context of the modular structure as set out in ISO 52000-1.

BS 5250(2011) : 2011 CODE OF PRACTICE FOR CONTROL OF CONDENSATION IN BUILDINGS

ISO 13789:2017 Thermal performance of buildings — Transmission and ventilation heat transfer coefficients — Calculation method
CEN/TS 16629:2014 Energy Performance of Buildings - Detailed Technical Rules for the set of EPB-standards
ISO 10211:2017 Thermal bridges in building construction — Heat flows and surface temperatures — Detailed calculations
CEN/TS 16628:2014 Energy Performance of Buildings - Basic Principles for the set of EPB standards
ISO 52016-1:2017 Energy performance of buildings — Energy needs for heating and cooling, internal temperatures and sensible and latent heat loads — Part 1: Calculation procedures
ISO 52000-1:2017 Energy performance of buildings — Overarching EPB assessment — Part 1: General framework and procedures
ISO/TR 52019-2:2017 Energy performance of buildings Hygrothermal performance of building components and building elements Part 2: Explanation and justification
ISO 10456:2007 Building materials and products — Hygrothermal properties — Tabulated design values and procedures for determining declared and design thermal values
ISO/TR 52000-2:2017 Energy performance of buildings Overarching EPB assessment Part 2: Explanation and justification of ISO 52000-1
ISO 6946:2017 Building components and building elements — Thermal resistance and thermal transmittance — Calculation methods
ISO 7345:1987 Thermal insulation Physical quantities and definitions
ISO 14683:2017 Thermal bridges in building construction — Linear thermal transmittance — Simplified methods and default values

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