Skip to content
Please enter a keyword to search

  • UNI EN 673 : 2011

    Current The latest, up-to-date edition.

    GLASS IN BUILDING - DETERMINATION OF THERMAL TRANSMITTANCE (U VALUE) - CALCULATION METHOD

    Available format(s): 

    Language(s): 

    Published date:  09-03-2011

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

    Sorry this product is not available in your region.

    Add To Cart

    Table of Contents - (Show below) - (Hide below)

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols, dimensionless numbers and subscripts
    5 Basic formulae
    6 Basic material properties
    7 External and internal heat transfer coefficients
    8 Declared values: standardized boundary conditions
    9 Expression of the results
    10 Test report
    Annex A (normative) - Iteration procedure for glazing with
            more than one gas space
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes a calculation method to determine the thermal transmittance of glazing with flat and parallel surfaces.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher Ente Nazionale Italiano di Unificazione (UNI)
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    UNI TS 11300-1 : 2014 ENERGY PERFORMANCE OF BUILDINGS - PART 1: EVALUATION OF ENERGY NEED FOR SPACE HEATING AND COOLING
    UNI 11401 : 2011 GUIDELINE FOR THERMAL BREAK PROFILES
    UNI 10375 : 2011 CALCULATION METHOD OF THE INDOOR TEMPERATURE OF A ROOM IN THE WARM PERIOD

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 10211:2017 Thermal bridges in building construction — Heat flows and surface temperatures — Detailed calculations
    EN ISO 10456:2007/AC:2009 BUILDING MATERIALS AND PRODUCTS - HYGROTHERMAL PROPERTIES - TABULATED DESIGN VALUES AND PROCEDURES FOR DETERMINING DECLARED AND DESIGN THERMAL VALUES
    EN 410:2011 Glass in building - Determination of luminous and solar characteristics of glazing
    EN 12898:2001 Glass in building - Determination of the emissivity
    EN ISO 13790:2008 Energy performance of buildings - Calculation of energy use for space heating and cooling (ISO 13790:2008)
    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 10211:2017 Thermal bridges in building construction - Heat flows and surface temperatures - Detailed calculations (ISO 10211:2017)
    EN 674:2011 Glass in building - Determination of thermal transmittance (U value) - Guarded hot plate method
    ISO 10456:2007 Building materials and products — Hygrothermal properties — Tabulated design values and procedures for determining declared and design thermal values
    EN 675:2011 Glass in building - Determination of thermal transmittance (U value) - Heat flow meter method
    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
    ISO 13790:2008 Energy performance of buildings Calculation of energy use for space heating and cooling
    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)
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective