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  • EN ISO 10077-1:2017

    Current The latest, up-to-date edition.

    Thermal performance of windows, doors and shutters - Calculation of thermal transmittance - Part 1: General (ISO 10077-1:2017, Corrected version 2020-02)

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    Language(s): 

    Published date:  19-07-2017

    Publisher:  Comite Europeen de Normalisation

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

    European foreword
    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols and subscripts
    5 Description of the method
    6 Calculation of thermal transmittance
    7 Test report
    Annex A (normative) - Input and method selection data
            sheet - Template
    Annex B (informative) - Input and method selection data
            sheet - Default choices
    Annex C (normative) - Regional references in line with
            ISO Global Relevance Policy
    Annex D (normative) - Internal and external surface
            thermal resistances
    Annex E (normative) - Thermal resistance of air spaces
            between glazing and thermal transmittance of coupled,
            double or triple glazing
    Annex F (normative) - Thermal transmittance of frames
    Annex G (normative) - Linear thermal transmittance of
            frame/glazing junction and glazing bars
    Annex H (normative) - Thermal transmittance of windows
    Bibliography

    Abstract - (Show below) - (Hide below)

    ISO 10077-1:2017 specifies methods for the calculation of the thermal transmittance of windows and pedestrian doors consisting of glazed and/or opaque panels fitted in a frame, with and without shutters.

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

    Committee CEN/TC 89
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current

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

    PREN ISO 13791 : DRAFT 2010 THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF INTERNAL TEMPERATURES OF A ROOM IN SUMMER WITHOUT MECHANICAL COOLING - GENERAL CRITERIA AND VALIDATION PROCEDURES
    14/30302455 DC : 0 BS EN 13659 - SHUTTERS AND EXTERNAL VENETIAN BLINDS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    15/30325699 DC : 0 BS EN ISO 52000-1 - ENERGY PERFORMANCE OF BUILDINGS - OVERARCHING EPB ASSESSMENT - PART 1: GENERAL FRAMEWORK AND PROCEDURES
    I.S. EN ISO 13792:2012 THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF INTERNAL TEMPERATURES OF A ROOM IN SUMMER WITHOUT MECHANICAL COOLING - SIMPLIFIED METHODS (ISO 13792:2012)
    DIN EN 12428:2013-04 Industrial, commercial and garage doors - Thermal transmittance - Requirements for the calculation
    10/30236365 DC : 0 BS EN 12428 - INDUSTRIAL, COMMERCIAL AND GARAGE DOORS AND GATES - THERMAL TRANSMITTANCE - REQUIREMENTS FOR CLASSIFICATION
    DIN EN 16855-1 E : 2017 WALK-IN COLD ROOMS - DEFINITION, THERMAL INSULATION PERFORMANCE AND TEST METHODS - PART 1: PREFABRICATED COLD ROOM KITS
    10/30202116 DC : 0 BS EN ISO 13791 - THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF INTERNAL TEMPERATURES OF A ROOM IN SUMMER WITHOUT MECHANICAL COOLING - GENERAL CRITERIA AND VALIDATION PROCEDURES
    I.S. EN 12831:2003 HEATING SYSTEMS IN BUILDINGS - METHOD FOR CALCULATION OF THE DESIGN HEAT LOAD
    I.S. EN ISO 13791:2012 THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF INTERNAL TEMPERATURES OF A ROOM IN SUMMER WITHOUT MECHANICAL COOLING - GENERAL CRITERIA AND VALIDATION PROCEDURES (ISO 13791:2012)
    99/104649 DC : DRAFT MAY 1999 EN ISO 13790 - THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF ENERGY USE FOR HEATING
    PREN 16855 : DRAFT 2015 WALK-IN COLD ROOMS - DEFINITION, THERMAL INSULATION PERFORMANCE AND TEST METHODS - PART 1: PREFABRICATED COLD ROOM KITS
    PD CEN/TR 12831-2:2017 Energy performance of buildings. Method for calculation of the design heat load Explanation and justification of EN 12831-1, Module M3-3
    BS EN 13120 : 2009 INTERNAL BLINDS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    DIN EN 13561:2015-08 EXTERNAL BLINDS AND AWNINGS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    BS EN 673:2011 Glass in building. Determination of thermal transmittance (U value). Calculation method
    BS EN 12831:2003 Heating systems in buildings. Method for calculation of the design heat load
    DIN EN 15603:2008-07 ENERGY PERFORMANCE OF BUILDINGS - OVERALL ENERGY USE AND DEFINITION OF ENERGY RATINGS
    DIN EN 13947:2007-03 THERMAL PERFORMANCE OF CURTAIN WALLING - CALCULATION OF THERMAL TRANSMITTANCE
    EN 12831 : 2003 HEATING SYSTEMS IN BUILDINGS - METHOD FOR CALCULATION OF THE DESIGN HEAT LOAD
    EN 13561:2015/AC:2016 EXTERNAL BLINDS AND AWNINGS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    EN 12831-1:2017 Energy performance of buildings - Method for calculation of the design heat load - Part 1: Space heating load, Module M3-3
    DIN EN 12831-1:2017-09 ENERGY PERFORMANCE OF BUILDINGS - METHOD FOR CALCULATION OF THE DESIGN HEAT LOAD - PART 1: SPACE HEATING LOAD, MODULE M3-3
    11/30241848 DC : 0 BS EN 13561 - EXTERNAL BLINDS AND AWNINGS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    I.S. EN 15255:2007 ENERGY PERFORMANCE OF BUILDINGS - SENSIBLE ROOM COOLING LOAD CALCULATION - GENERAL CRITERIA AND VALIDATION PROCEDURES
    14/30302452 DC : 0 BS EN 13561 - EXTERNAL BLINDS AND AWNINGS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    DIN EN 12831-1 E : 2017 ENERGY PERFORMANCE OF BUILDINGS - METHOD FOR CALCULATION OF THE DESIGN HEAT LOAD - PART 1: SPACE HEATING LOAD, MODULE M3-3
    PREN 14351-2 : DRAFT 2014 WINDOWS AND DOORS - PRODUCT STANDARD, PERFORMANCE CHARACTERISTICS - PART 2: INTERNAL PEDESTRIAN DOORSETS WITHOUT RESISTANCE TO FIRE AND /OR SMOKE LEAKAGE CHARACTERISTICS
    CEN/TR 12831-2:2017 Energy performance of buildings - Method for calculation of the design heat load - Part 2: Explanation and justification of EN 12831-1, Module M3-3
    09/30196724 DC : 0 BS ISO 18292 - ENERGY PERFORMANCE OF FENESTRATION SYSTEMS - CALCULATION PROCEDURE
    S.R. CEN/TR 12831-2:2017 ENERGY PERFORMANCE OF BUILDINGS - METHOD FOR CALCULATION OF THE DESIGN HEAT LOAD - PART 2: EXPLANATION AND JUSTIFICATION OF EN 12831-1, MODULE M3-3
    14/30297827 DC : 0 BS EN 14351-2 - WINDOWS AND DOORS - PRODUCT STANDARD, PERFORMANCE CHARACTERISTICS - PART 2: INTERNAL PEDESTRIAN DOORSETS WITHOUT RESISTANCE TO FIRE AND /OR SMOKE LEAKAGE CHARACTERISTICS
    I.S. EN 12831-1:2017 ENERGY PERFORMANCE OF BUILDINGS - METHOD FOR CALCULATION OF THE DESIGN HEAT LOAD - PART 1: SPACE HEATING LOAD, MODULE M3-3
    UNI EN 15603 : 2008 ENERGY PERFORMANCE OF BUILDINGS - OVERALL ENERGY USE AND DEFINITION OF ENERGY RATINGS
    PREN 13659 : DRAFT 2014 SHUTTERS AND EXTERNAL VENETIAN BLINDS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    BS EN 16361 : 2013 POWER OPERATED PEDESTRIAN DOORS - PRODUCT STANDARD, PERFORMANCE CHARACTERISTICS - PEDESTRIAN DOORSETS, OTHER THAN SWING TYPE, INITIALLY DESIGNED FOR INSTALLATION WITH POWER OPERATION
    I.S. EN 16361:2013 POWER OPERATED PEDESTRIAN DOORS - PRODUCT STANDARD, PERFORMANCE CHARACTERISTICS - PEDESTRIAN DOORSETS, OTHER THAN SWING TYPE, INITIALLY DESIGNED FOR INSTALLATION WITH POWER OPERATION
    DIN EN 15255 E : 2007 ENERGY PERFORMANCE OF BUILDINGS - SENSIBLE ROOM COOLING LOAD CALCULATION - GENERAL CRITERIA AND VALIDATION PROCEDURES
    DIN EN 15255:2007-11 ENERGY PERFORMANCE OF BUILDINGS - SENSIBLE ROOM COOLING LOAD CALCULATION - GENERAL CRITERIA AND VALIDATION PROCEDURES
    BS EN ISO 13792:2012 Thermal performance of buildings. Calculation of internal temperatures of a room in summer without mechanical cooling. Simplified methods
    BS EN 675:2011 Glass in building. Determination of thermal transmittance (U value). Heat flow meter method
    I.S. EN 14351-1:2006 WINDOWS AND DOORS - PRODUCT STANDARD, PERFORMANCE CHARACTERISTICS - PART 1: WINDOWS AND EXTERNAL PEDESTRIAN DOORSETS WITHOUT RESISTANCE TO FIRE AND/OR SMOKE LEAKAGE CHARACTERISTICS
    I.S. EN 12428:2013 INDUSTRIAL, COMMERCIAL AND GARAGE DOORS - THERMAL TRANSMITTANCE - REQUIREMENTS FOR THE CALCULATION
    I.S. EN 13659:2015 SHUTTERS AND EXTERNAL VENETIAN BLINDS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    I.S. EN 673:2011 GLASS IN BUILDING - DETERMINATION OF THERMAL TRANSMITTANCE (U VALUE) - CALCULATION METHOD
    I.S. EN 675:2011 GLASS IN BUILDING - DETERMINATION OF THERMAL TRANSMITTANCE (U VALUE) - HEAT FLOW METER METHOD
    I.S. EN 674:2011 GLASS IN BUILDING - DETERMINATION OF THERMAL TRANSMITTANCE (U VALUE) - GUARDED HOT PLATE METHOD
    I.S. EN 13120:2009 INTERNAL BLINDS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    I.S. EN 13561:2015 EXTERNAL BLINDS AND AWNINGS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    DIN EN 16855-1:2017-05 WALK-IN COLD ROOMS - DEFINITION, THERMAL INSULATION PERFORMANCE AND TEST METHODS - PART 1: PREFABRICATED COLD ROOM KITS
    UNE-EN 13947:2011 Thermal performance of curtain walling - Calculation of thermal transmittance
    15/30320130 DC : 0 BS EN 16855 - WALK-IN COLD ROOMS - DEFINITION, THERMAL INSULATION PERFORMANCE AND TEST METHODS - PART 1: PREFABRICATED COLD ROOM KITS
    11/30253413 DC : 0 BS EN 16361 - POWER OPERATED PEDESTRIAN DOORS - PRODUCT STANDARD, PERFORMANCE CHARACTERISTICS - PEDESTRIAN DOOR SETS, OTHER THAN SWING TYPE, INITIALLY DESIGNED FOR INSTALLATION WITH POWER OPERATION WITHOUT RESISTANCE TO FIRE AND SMOKE LEAKAGE CHARACTERISTICS
    BS EN 12831-1:2017 Energy performance of buildings. Method for calculation of the design heat load Space heating load, Module M3-3
    PREN 12428 : DRAFT 2010 INDUSTRIAL, COMMERCIAL AND GARAGE DOORS AND GATES - THERMAL TRANSMITTANCE - REQUIREMENTS FOR CLASSIFICATION
    00/106948 DC : DRAFT OCT 2000 PREN 13947 - THERMAL PERFORMANCE OF CURTAIN WALLING - CALCULATION OF THERMAL TRANSMITTANCE
    BS EN 15603:2008 Energy performance of buildings. Overall energy use and definition of energy ratings
    CEN/TR 15615:2008 Explanation of the general relationship between various European standards and the Energy Performance of Buildings Directive (EPBD) - Umbrella Document
    PREN ISO 13792 : DRAFT 2010 THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF INTERNAL TEMPERATURES OF A ROOM IN SUMMER WITHOUT MECHANICAL COOLING - SIMPLIFIED METHODS
    I.S. EN 16855-1:2017 WALK-IN COLD ROOMS - DEFINITION, THERMAL INSULATION PERFORMANCE AND TEST METHODS - PART 1: PREFABRICATED COLD ROOM KITS
    DIN EN 13120:2014-09 INTERNAL BLINDS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    DIN EN 673:2011-04 Glass in building - Determination of thermal transmittance (U value) - Calculation method
    DIN EN 675:2011-09 Glass in building - Determination of thermal transmittance (U value) - Heat flow meter method
    EN 673:2011 Glass in building - Determination of thermal transmittance (U value) - Calculation method
    UNI EN 675 : 2011 GLASS IN BUILDING - DETERMINATION OF THERMAL TRANSMITTANCE (U VALUE) - HEAT FLOW METER METHOD
    UNI EN 13120 : 2014 INTERNAL BLINDS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    UNI EN ISO 13792 : 2012 THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF INTERNAL TEMPERATURES OF A ROOM IN SUMMER WITHOUT MECHANICAL COOLING - SIMPLIFIED METHODS
    UNI EN 673 : 2011 GLASS IN BUILDING - DETERMINATION OF THERMAL TRANSMITTANCE (U VALUE) - CALCULATION METHOD
    UNI EN 12831 : 2006 HEATING SYSTEMS IN BUILDINGS - METHOD FOR CALCULATION OF THE DESIGN HEAT LOAD
    UNI EN 674 : 2011 GLASS IN BUILDING - DETERMINATION OF THERMAL TRANSMITTANCE (U VALUE) - GUARDED HOT PLATE METHOD
    DIN EN 674:2011-09 Glass in building - Determination of thermal transmittance (U value) - Guarded hot plate method
    14/30309932 DC : 0 BS EN 12831-1 - HEATING SYSTEMS AND WATER BASED COOLING SYSTEMS IN BUILDINGS - METHOD FOR CALCULATION OF THE DESIGN HEAT LOAD - PART 1: SPACE HEATING LOAD
    06/30149044 DC : DRAFT APR 2006 EN 13947 - THERMAL PERFORMANCE OF CURTAIN WALLING - CALCULATION OF THERMAL TRANSMITTANCE
    11/30241851 DC : 0 BS EN 13659 - SHUTTERS AND EXTERNAL VENETIAN BLINDS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    DIN EN 15603 E : 2008 ENERGY PERFORMANCE OF BUILDINGS - OVERALL ENERGY USE AND DEFINITION OF ENERGY RATINGS
    12/30237838 DC : 0 BS ISO 16343 - ENERGY PERFORMANCE OF BUILDINGS - METHODS FOR EXPRESSING ENERGY PERFORMANCE AND FOR ENERGY CERTIFICATION OF BUILDINGS
    UNE-EN ISO 13791:2013 Thermal performance of buildings - Calculation of internal temperatures of a room in summer without mechanical cooling - General criteria and validation procedures (ISO 13791:2012)
    PREN 13031-1 : DRAFT 2017 GREENHOUSES - DESIGN AND CONSTRUCTION - PART 1: COMMERCIAL PRODUCTION GREENHOUSES
    UNE-EN 13659:2016 Shutters and external venetian blinds - Performance requirements including safety
    BS EN 13947:2006 Thermal performance of curtain walling. Calculation of thermal transmittance
    BS EN 674:2011 Glass in building. Determination of thermal transmittance (U value). Guarded hot plate method
    BS EN 14351-1 : 2006 WINDOWS AND DOORS - PRODUCT STANDARD, PERFORMANCE CHARACTERISTICS - PART 1: WINDOWS AND EXTERNAL PEDESTRIAN DOORSETS
    BS EN 13561:2015 External blinds and awnings. Performance requirements including safety
    BS EN 15255:2007 Energy performance of buildings. Sensible room cooling load calculation. General criteria and validation procedures
    EN 13947:2006 Thermal performance of curtain walling - Calculation of thermal transmittance
    EN ISO 13792:2012 Thermal performance of buildings - Calculation of internal temperatures of a room in summer without mechanical cooling - Simplified methods (ISO 13792:2012)
    EN ISO 13791:2012 Thermal performance of buildings - Calculation of internal temperatures of a room in summer without mechanical cooling - General criteria and validation procedures (ISO 13791:2012)
    EN 14351-1:2006+A2:2016 Windows and doors - Product standard, performance characteristics - Part 1: Windows and external pedestrian doorsets
    EN 13659:2015 Shutters and external venetian blinds - Performance requirements including safety
    EN 15603:2008 Energy performance of buildings - Overall energy use and definition of energy ratings
    EN 16855-1:2017 Walk-in cold rooms - Definition, thermal insulation performance and test methods - Part 1: Prefabricated cold room kits
    EN 674:2011 Glass in building - Determination of thermal transmittance (U value) - Guarded hot plate method
    EN 16361:2013+A1:2016 Power operated pedestrian doors - Product standard, performance characteristics - Pedestrian doorsets, other than swing type, initially designed for installation with power operation
    EN 15255:2007 Energy performance of buildings - Sensible room cooling load calculation - General criteria and validation procedures
    EN 675:2011 Glass in building - Determination of thermal transmittance (U value) - Heat flow meter method
    12/30237844 DC : 0 BS ISO 16346 - ENERGY PERFORMANCE OF BUILDINGS - ASSESSMENT OF OVERALL ENERGY PERFORMANCE
    I.S. EN 13947:2006 THERMAL PERFORMANCE OF CURTAIN WALLING - CALCULATION OF THERMAL TRANSMITTANCE
    17/30354084 DC : 0 BS EN 16855-2 - WALK-IN COLD ROOMS - DEFINITION, THERMAL INSULATION PERFORMANCE AND TEST METHODS - PART 2: CUSTOMIZED COLD ROOMS
    UNE-EN ISO 13792:2013 Thermal performance of buildings - Calculation of internal temperatures of a room in summer without mechanical cooling - Simplified methods (ISO 13792:2012)
    PD CEN/TR 15615:2008 Explanation of the general relationship between various CEN standards and the Energy Performance of Buildings Directive (EPBD). Umbrella document
    BS EN 16855-1:2017 Walk-in cold rooms. Definition, thermal insulation performance and test methods Prefabricated cold room kits
    DIN EN 16855-1:2015-06 (Draft) WALK-IN COLD ROOMS - DEFINITION, THERMAL INSULATION PERFORMANCE AND TEST METHODS - PART 1: PREFABRICATED COLD ROOM KITS
    10/30202119 DC : 0 BS EN ISO 13792 - THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF INTERNAL TEMPERATURES OF A ROOM IN SUMMER WITHOUT MECHANICAL COOLING - SIMPLIFIED METHODS
    PREN 13561 : DRAFT 2014 EXTERNAL BLINDS AND AWNINGS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    UNI EN 16361 : 2013 POWER OPERATED PEDESTRIAN DOORS - PRODUCT STANDARD, PERFORMANCE CHARACTERISTICS - PEDESTRIAN DOORSETS, OTHER THAN SWING TYPE, INITIALLY DESIGNED FOR INSTALLATION WITH POWER OPERATION WITHOUT RESISTANCE TO FIRE AND SMOKE LEAKAGE CHARACTERISTICS
    17/30354665 DC : 0 BS EN 13031-1 - GREENHOUSES - DESIGN AND CONSTRUCTION - PART 1: COMMERCIAL PRODUCTION GREENHOUSES
    I.S. EN 15603:2008 ENERGY PERFORMANCE OF BUILDINGS - OVERALL ENERGY USE AND DEFINITION OF ENERGY RATINGS
    BS EN 13120:2009+A1:2014 Internal blinds. Performance requirements including safety
    DIN EN 13659:2015-07 SHUTTERS AND EXTERNAL VENETIAN BLINDS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    BS EN 12428:2013 Industrial, commercial and garage doors. Thermal transmittance. Requirements for the calculation
    BS EN 13659:2015 Shutters and external venetian blinds. Performance requirements including safety
    ISO 13792:2012 Thermal performance of buildings Calculation of internal temperatures of a room in summer without mechanical cooling Simplified methods
    UNE-EN 673:2011 Glass in building - Determination of thermal transmittance (U value) - Calculation method
    BS EN 13125:2001 Shutters and blinds. Additional thermal resistance. Allocation of a class of air permeability to a product
    EN 12428:2013 Industrial, commercial and garage doors - Thermal transmittance - Requirements for the calculation
    DIN EN ISO 13791:2012-08 THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF INTERNAL TEMPERATURES OF A ROOM IN SUMMER WITHOUT MECHANICAL COOLING - GENERAL CRITERIA AND VALIDATION PROCEDURES (ISO 13791:2012)
    EN 13125:2001 Shutters and blinds - Additional thermal resistance - Allocation of a class of air permeability to a product
    UNE-EN 16361:2014 Power operated pedestrian doors - Product standard, performance characteristics - Pedestrian doorsets, other than swing type, initially designed for installation with power operation without resistance to fire and smoke leakage characteristics
    UNE-EN 14351-1:2006 Windows and doors - Product standard, performance characteristics - Part 1: Windows and external pedestrian doorsets without resistance to fire and/or smoke leakage characteristics

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

    EN 12667:2001 Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Products of high and medium thermal resistance
    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
    ISO 10293:1997 Glass in building — Determination of steady-state U values (thermal transmittance) of multiple glazing — Heat flow meter method
    EN 673:2011 Glass in building - Determination of thermal transmittance (U value) - Calculation method
    CEN/TS 16628:2014 Energy Performance of Buildings - Basic Principles for the set of EPB standards
    ISO 52000-1:2017 Energy performance of buildings — Overarching EPB assessment — Part 1: General framework and procedures
    ISO 10077-2:2017 Thermal performance of windows, doors and shutters — Calculation of thermal transmittance — Part 2: Numerical method for frames
    EN 13659:2015 Shutters and external venetian blinds - Performance requirements including safety
    ISO 10291:1994 Glass in building — Determination of steady-state U values (thermal transmittance) of multiple glazing — Guarded hot plate method
    ISO 8302:1991 Thermal insulation — Determination of steady-state thermal resistance and related properties — Guarded hot plate apparatus
    ISO 8301:1991 Thermal insulation Determination of steady-state thermal resistance and related properties Heat flow meter apparatus
    EN 13561:2015/AC:2016 EXTERNAL BLINDS AND AWNINGS - PERFORMANCE REQUIREMENTS INCLUDING SAFETY
    ISO 12567-2:2005 Thermal performance of windows and doors Determination of thermal transmittance by hot box method Part 2: Roof windows and other projecting windows
    EN 12412-2:2003 Thermal performance of windows, doors and shutters - Determination of thermal transmittance by hot box method - Part 2: Frames
    EN 13125:2001 Shutters and blinds - Additional thermal resistance - Allocation of a class of air permeability to a product
    EN 674:2011 Glass in building - Determination of thermal transmittance (U value) - Guarded hot plate method
    EN 12664:2001 Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance
    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/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/TR 52022-2:2017 Energy performance of buildings Thermal, solar and daylight properties of building components and elements Part 2: Explanation and justification
    ISO 7345:1987 Thermal insulation Physical quantities and definitions
    ISO 10292:1994 Glass in building — Calculation of steady-state U values (thermal transmittance) of multiple glazing
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