• EN 15243:2007

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    Ventilation for buildings - Calculation of room temperatures and of load and energy for buildings with room conditioning systems

    Available format(s): 

    Superseded date:  01-06-2017

    Language(s): 

    Published date:  15-08-2007

    Publisher:  Comite Europeen de Normalisation

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Symbols and abbreviations
    5 General approach
    6 Room temperature calculation without room
       conditioning system
       6.1 Choice of rooms
       6.2 Calculation method
       6.3 Boundary conditions
    7 Room cooling load calculation
       7.1 Basic sensible room cooling load calculation
       7.2 System dependent sensible room cooling load calculation
       7.3 Latent room cooling load calculation
       7.4 Boundary conditions
    8 Room heating load calculation
       8.1 Calculation procedure
       8.2 Climatic data
       8.3 Ventilation rates
    9 Room based equipment sizing
    10 Zone load calculation
    11 System heating and cooling load calculation
    12 Central system equipment sizing
    13 Room and building energy calculation
       13.1 General
       13.2 Humidification and dehumidification energy demand
       13.3 Relation to system energy calculation methods
    14 System energy calculation
       14.1 General approach
       14.2 Required functionality of detailed and simplified
            calculation methods
       14.3 Simplified system losses and energy demand
            calculation methods
       14.4 Detailed system losses and energy demand calculation
            method
    Annex A (informative) - Best procedure for design process
    Annex B (informative) - Proposed procedure for choice or typical
                            rooms for temperature calculation
    Annex C (informative) - System overview
    Annex D (informative) - Schematic relationship between HVAC
                            system energy procedure, building energy
                            demand calculations, data and outputs
    Annex E (informative) - Example simplified system losses and
                            energy demand calculation methods
        E.1 Example 1 (Dutch proposal)
        E.2 Example 2 (German proposal)
        E.3 Example 3: Monthly HVAC system cooling energy
            calculations using degree-day methods
    Annex F (informative) - EDR Verification of building and
                            installation calculation methods
        F.1 Introduction
        F.2 Method description
        F.3 EDR Calculation method for reference values
    Annex G (informative) - Example values for emission losses
        G.1 Zones including several groups
        G.2 Control accuracy
    Annex H (informative) - Calculation of latent energy demand
        H.1 Presentation
        H.2 Application for hourly calculation
    Annex I (informative) - Example Calculation of Seasonal
                            Efficiency of Cold Generators and
                            Chillers in Air Conditioning Systems
        I.1 Introduction
        I.2 Theory
        I.3 Practical application
        I.4 Illustrative example of estimation of seasonal EER
        I.5 Example for calculated part-load-values
    Annex J (informative) - Auxiliary energy for cooling-water
                            and cold-water distribution
        J.1 Electrical energy demand
        J.2 Hydraulic energy demand for distribution
        J.3 Demand coefficients
        J.4 Other auxiliary energy demands (auxiliary drives)
        J.5 Guideline for calculating the electrical energy demand
            of cooling-water and cold-water distribution systems
    Annex K (informative) - Thermal and dehumidification
                            distribution losses in cooling systems
        K.1 Cooling for the HVAC system
        K.2 Cooling energy supply for space cooling
    Annex L (informative) - Auxiliary energy use by terminals
        L.1 Energy demand for space cooling - fans
    Annex M (informative) - Auxiliary energy demand, heat rejection
        M.1 Calculation
        M.2 Partial-load index values of heat rejection systems
    Bibliography

    Abstract - (Show below) - (Hide below)

    The scope of this European Standard is-To define the procedure how the calculation methods to determine the temperatures, sensible loads and energy demands for the rooms shall be used in the design process.-To describe the calculation methods to determine the latent room cooling and heating load, the building heating, cooling, humidification and dehumidification loads and the system heating, cooling, humidification and dehumidification loads.-To define the general approach for the calculation of the overall energy performance of buildings with room conditioning systems-To describe one or more simplified calculation methods for the system energy requirements of specific system types, based on the building energy demand result from prEN ISO 13790, and to define their field of application.A general framework standard is given which imposes an hourly calculation for all cases which cannot be covered by simplified methods, and gives requirements on what has to be taken into account. Input and output data are defined.The target audience of this standard is twofold:-Designers of HVAC systems, which are given an overview of the design process with the relevant references to the different involved standards (Clauses 5 to 12)-Developers of regulations and tools, which find requirements for calculation procedures to be used for the energy requirements according to the EPBD (Clauses 13 and 14).The idea followed by this standard is, that for the detailed approach one single calculation method is used for the different room related purposes such as room temperature calculation, room cooling and heating load calculation, and room energy calculation. This means, for the building type envisaged (buildings with room conditioning systems) it is an alternative to simplified calculation methods such as heating load according to EN 12831 and heating energy according to prEN ISO 13790. This standard does not describe any detailed methods for the sensible room based

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

    Committee CEN/TC 156
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Superseded
    Superseded By

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

    S.R. CEN/TR 15232-2:2016 ENERGY PERFORMANCE OF BUILDINGS - PART 2: ACCOMPANYING TR PREN 15232-1:2015 - MODULES M10-4,5,6,7,8,9,10
    BS EN 15232-1:2017 Energy Performance of Buildings Impact of Building Automation, Controls and Building Management. Modules M10-4,5,6,7,8,9,10
    15/30331528 DC : 0 BS EN 15232-1 - ENERGY PERFORMANCE OF BUILDINGS - PART 1: IMPACT OF BUILDING AUTOMATION, CONTROLS AND BUILDING MANAGEMENT - MODULES M10-4, 5, 6, 7, 8, 9, 10
    BS EN 15804 : 2012 SUSTAINABILITY OF CONSTRUCTION WORKS - ENVIRONMENTAL PRODUCT DECLARATIONS - CORE RULES FOR THE PRODUCT CATEGORY OF CONSTRUCTION PRODUCTS
    15/30303577 DC : 0 BS EN ISO 52016-1 - ENERGY PERFORMANCE OF BUILDINGS - CALCULATION OF THE ENERGY NEEDS FOR HEATING AND COOLING, INTERNAL TEMPERATURES AND HEATING AND COOLING LOAD IN A BUILDING OR BUILDING ZONE - PART 1: CALCULATION PROCEDURES
    12/30268269 DC : 0 BS EN 16485 - ROUND AND SAWN TIMBER - ENVIRONMENTAL PRODUCT DECLARATIONS - PRODUCT CATEGORY RULES FOR WOOD AND WOOD-BASED PRODUCTS FOR USE IN CONSTRUCTION
    DIN EN 16757 E : 2017 SUSTAINABILITY OF CONSTRUCTION WORKS - ENVIRONMENTAL PRODUCT DECLARATIONS - PRODUCT CATEGORY RULES FOR CONCRETE AND CONCRETE ELEMENTS
    EN 1264-3:2009 Water based surface embedded heating and cooling systems - Part 3: Dimensioning
    BS EN ISO 11855-3:2015 Building environment design. Design, dimensioning, installation and control of embedded radiant heating and cooling systems Design and dimensioning
    14/30300963 DC : 0 BS EN 16757 - SUSTAINABILITY OF CONSTRUCTION WORKS - ENVIRONMENTAL PRODUCT DECLARATIONS - PRODUCT CATEGORY RULES FOR PRECAST CONCRETE PRODUCTS
    DIN EN 15643-4:2012-04 Sustainability of construction works - Assessment of buildings - Part 4: Framework for the assessment of economic performance
    EN 15643-3:2012 Sustainability of construction works - Assessment of buildings - Part 3: Framework for the assessment of social performance
    EN 15643-1:2010 Sustainability of construction works - Sustainability assessment of buildings - Part 1: General framework
    I.S. EN ISO 11855-3:2015 BUILDING ENVIRONMENT DESIGN - DESIGN, DIMENSIONING, INSTALLATION AND CONTROL OF EMBEDDED RADIANT HEATING AND COOLING SYSTEMS - PART 3: DESIGN AND DIMENSIONING (ISO 11855-3:2012)
    I.S. EN 16810:2017 RESILIENT, TEXTILE AND LAMINATE FLOOR COVERINGS - ENVIRONMENTAL PRODUCT DECLARATIONS - PRODUCT CATEGORY RULES
    CEN/TR 15232-2:2016 Energy performance of buildings - Part 2: Accompanying TR prEN 15232-1:2015 - Modules M10-4,5,6,7,8,9,10
    I.S. EN 50600-2-3:2014 INFORMATION TECHNOLOGY - DATA CENTRE FACILITIES AND INFRASTRUCTURES - PART 2-3: ENVIRONMENTAL CONTROL
    UNE-EN ISO 11855-3:2016 Building environment design - Design, dimensioning, installation and control of embedded radiant heating and cooling systems - Part 3: Design and dimensioning (ISO 11855-3:2012)
    ISO 11855-3:2012 Building environment design Design, dimensioning, installation and control of embedded radiant heating and cooling systems Part 3: Design and dimensioning
    DIN EN 15232:2012-04 ENERGY PERFORMANCE OF BUILDINGS - IMPACT OF BUILDING AUTOMATION, CONTROLS AND BUILDING MANAGEMENT
    BS EN 15232:2012 Energy performance of buildings. Impact of Building Automation, Controls and Building Management
    DIN EN 15603:2008-07 ENERGY PERFORMANCE OF BUILDINGS - OVERALL ENERGY USE AND DEFINITION OF ENERGY RATINGS
    EN 50600-2-3:2014 Information technology - Data centre facilities and infrastructures - Part 2-3: Environmental control
    BS EN 15643-1:2010 Sustainability of construction works. Sustainability assessment of buildings General framework
    I.S. EN 15377-3:2007 HEATING SYSTEMS IN BUILDINGS - DESIGN OF EMBEDDED WATER BASED SURFACE HEATING AND COOLING SYSTEMS - PART 3: OPTIMIZING FOR USE OF RENEWABLE ENERGY SOURCES
    UNI EN 15643-4 : 2012 SUSTAINABILITY OF CONSTRUCTION WORKS - ASSESSMENT OF BUILDINGS - PART 4: FRAMEWORK FOR THE ASSESSMENT OF ECONOMIC PERFORMANCE
    09/30192729 DC : DRAFT FEB 2009 BS EN 15643-2 - SUSTAINABILITY OF CONSTRUCTION WORKS - ASSESSMENT OF BUILDINGS - PART 2: FRAMEWORK FOR THE ASSESSMENT OF ENVIRONMENTAL PERFORMANCE
    BS EN 15643-4:2012 Sustainability of construction works. Assessment of buildings Framework for the assessment of economic performance
    15/30297468 DC : 0 BS EN 16798-3 - ENERGY PERFORMANCE OF BUILDINGS - PART 3: VENTILATION FOR NON-RESIDENTIAL BUILDINGS - PERFORMANCE REQUIREMENTS FOR VENTILATION AND ROOM-CONDITIONING SYSTEMS
    DIN EN ISO 11855-3:2015-11 Building environment design - Design, dimensioning, installation and control of embedded radiant heating and cooling systems - Part 3: Design and dimensioning (ISO 11855-3:2012)
    BS ISO 16346:2013 Energy performance of buildings. Assessment of overall energy performance
    DIN EN 15643-3:2012-04 Sustainability of construction works - Assessment of buildings - Part 3: Framework for the assessment of social performance
    PD CEN/TR 16798-4:2017 Energy performance of buildings. Ventilation for buildings Interpretation of the requirements in EN 16798-3. For non-residential buildings. Performance requirements for ventilation and room-conditioning systems(Modules M5-1, M5-4)
    DIN EN 15804:2014-07 SUSTAINABILITY OF CONSTRUCTION WORKS - ENVIRONMENTAL PRODUCT DECLARATIONS - CORE RULES FOR THE PRODUCT CATEGORY OF CONSTRUCTION PRODUCTS
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    BS ISO 13612-1:2014 Heating and cooling systems in buildings. Method for calculation of the system performance and system design for heat pump systems Design and dimensioning
    I.S. EN 15643-4:2012 SUSTAINABILITY OF CONSTRUCTION WORKS - ASSESSMENT OF BUILDINGS - PART 4: FRAMEWORK FOR THE ASSESSMENT OF ECONOMIC PERFORMANCE
    EN 16798-13:2017 Energy performance of buildings - Ventilation for buildings - Part 13: Calculation of cooling systems (Module M4-8) - Generation
    EN 15643-2:2011 Sustainability of construction works - Assessment of buildings - Part 2: Framework for the assessment of environmental performance
    EN 15643-4:2012 Sustainability of construction works - Assessment of buildings - Part 4: Framework for the assessment of economic performance
    DIN EN 15643-1:2010-12 Sustainability of construction works - Sustainability assessment of buildings - Part 1: General framework
    UNI EN 15643-2 : 2011 SUSTAINABILITY OF CONSTRUCTION WORKS - ASSESSMENT OF BUILDINGS - PART 2: FRAMEWORK FOR THE ASSESSMENT OF ENVIRONMENTAL PERFORMANCE
    I.S. EN 15643-3:2012 SUSTAINABILITY OF CONSTRUCTION WORKS - ASSESSMENT OF BUILDINGS - PART 3: FRAMEWORK FOR THE ASSESSMENT OF SOCIAL PERFORMANCE
    UNI EN 15603 : 2008 ENERGY PERFORMANCE OF BUILDINGS - OVERALL ENERGY USE AND DEFINITION OF ENERGY RATINGS
    EN 16798-9:2017 Energy performance of buildings - Ventilation for buildings - Part 9: Calculation methods for energy requirements of cooling systems (Modules M4-1, M4-4, M4-9) - General
    BS EN 50600-2-3:2014 Information technology. Data centre facilities and infrastructures Environmental control
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    EN 15804:2012 Sustainability of construction works - Environmental product declarations - Core rules for the product category of construction products
    DIN EN 15232 E : 2012 ENERGY PERFORMANCE OF BUILDINGS - IMPACT OF BUILDING AUTOMATION, CONTROLS AND BUILDING MANAGEMENT
    I.S. EN 1264-3:2009 WATER BASED SURFACE EMBEDDED HEATING AND COOLING SYSTEMS - PART 3: DIMENSIONING
    BS EN 15643-2:2011 Sustainability of construction works. Assessment of buildings Framework for the assessment of environmental performance
    BS EN 15643-3:2012 Sustainability of construction works. Assessment of buildings Framework for the assessment of social performance
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    DIN EN 16757:2016-07 (Draft) SUSTAINABILITY OF CONSTRUCTION WORKS - ENVIRONMENTAL PRODUCT DECLARATIONS - PRODUCT CATEGORY RULES FOR CONCRETE AND CONCRETE ELEMENTS
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    DIN EN 16810 E : 2017 RESILIENT, TEXTILE AND LAMINATE FLOOR COVERINGS - ENVIRONMENTAL PRODUCT DECLARATIONS - PRODUCT CATEGORY RULES
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    PREN 15603 : DRAFT 2013 ENERGY PERFORMANCE OF BUILDINGS - OVERARCHING STANDARD EPBD
    09/30192733 DC : DRAFT FEB 2009 BS EN 15643-1 - SUSTAINABILITY OF CONSTRUCTION WORKS - ASSESSMENT OF BUILDINGS - PART 1: GENERAL FRAMEWORK
    BS EN 15603:2008 Energy performance of buildings. Overall energy use and definition of energy ratings
    DIN EN 15804 E : 2014 SUSTAINABILITY OF CONSTRUCTION WORKS - ENVIRONMENTAL PRODUCT DECLARATIONS - CORE RULES FOR THE PRODUCT CATEGORY OF CONSTRUCTION PRODUCTS
    CEN/TR 15615:2008 Explanation of the general relationship between various European standards and the Energy Performance of Buildings Directive (EPBD) - Umbrella Document
    I.S. EN 16757:2017 SUSTAINABILITY OF CONSTRUCTION WORKS - ENVIRONMENTAL PRODUCT DECLARATIONS - PRODUCT CATEGORY RULES FOR CONCRETE AND CONCRETE ELEMENTS
    ISO 23045:2008 Building environment design Guidelines to assess energy efficiency of new buildings
    EN 15232-1:2017 Energy Performance of Buildings - Energy performance of buildings - Part 1: Impact of Building Automation, Controls and Building Management - Modules M10-4,5,6,7,8,9,10
    UNI EN 15643-3 : 2012 SUSTAINABILITY OF CONSTRUCTION WORKS - ASSESSMENT OF BUILDINGS - PART 3: FRAMEWORK FOR THE ASSESSMENT OF SOCIAL PERFORMANCE
    EN ISO 11855-3:2015 Building environment design - Design, dimensioning, installation and control of embedded radiant heating and cooling systems - Part 3: Design and dimensioning (ISO 11855-3:2012)
    UNE-EN 15232:2014 Energy performance of buildings - Impact of Building Automation, Controls and Building Management
    BS EN 1264-3:2009 Water based surface embedded heating and cooling systems Dimensioning
    UNE-EN 1264-3:2010 Water based surface embedded heating and cooling systems - Part 3: Dimensioning
    EN 16810:2017 Resilient, textile and laminate floor coverings - Environmental product declarations - Product category rules
    UNI EN 15232 : 2012 ENERGY PERFORMANCE OF BUILDINGS - IMPACT OF BUILDING AUTOMATION, CONTROLS AND BUILDING MANAGEMENT
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    12/30245650 DC : 0 BS ISO 13612-1 - HEATING AND COOLING SYSTEMS IN BUILDINGS - METHOD FOR CALCULATION OF THE SYSTEM PERFORMANCE AND SYSTEM DESIGN FOR HEAT PUMP SYSTEMS - PART 1: DESIGN AND DIMENSIONING
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    I.S. EN 15643-1:2010 SUSTAINABILITY OF CONSTRUCTION WORKS - SUSTAINABILITY ASSESSMENT OF BUILDINGS - PART 1: GENERAL FRAMEWORK
    DIN EN 15643-2:2011-05 Sustainability of construction works - Assessment of buildings - Part 2: Framework for the assessment of environmental performance
    UNI EN 15804 : 2014 SUSTAINABILITY OF CONSTRUCTION WORKS - ENVIRONMENTAL PRODUCT DECLARATIONS - CORE RULES FOR THE PRODUCT CATEGORY OF CONSTRUCTION PRODUCTS
    UNI EN 1264-3 : 2009 WATER BASED SURFACE EMBEDDED HEATING AND COOLING SYSTEMS - PART 3: DIMENSIONING
    I.S. EN 15232-1:2017 ENERGY PERFORMANCE OF BUILDINGS - ENERGY PERFORMANCE OF BUILDINGS - PART 1: IMPACT OF BUILDING AUTOMATION, CONTROLS AND BUILDING MANAGEMENT - MODULES M10-4, 5, 6, 7, 8, 9, 10
    DIN EN 1264-3:2009-11 Water based surface embedded heating and cooling systems - Part 3: Dimensioning
    UNE-EN 15804:2012 Sustainability of construction works - Environmental product declarations - Core rules for the product category of construction products
    EN 15603:2008 Energy performance of buildings - Overall energy use and definition of energy ratings
    EN 16757:2017 Sustainability of construction works - Environmental product declarations - Product Category Rules for concrete and concrete elements
    EN 15377-3:2007 Heating systems in buildings - Design of embedded water based surface heating and cooling systems - Part 3: Optimizing for use of renewable energy sources
    EN 15232:2012 Energy performance of buildings - Impact of Building Automation, Controls and Building Management
    BS EN 16757:2017 Sustainability of construction works. Environmental product declarations. Product Category Rules for concrete and concrete elements
    12/30237844 DC : 0 BS ISO 16346 - ENERGY PERFORMANCE OF BUILDINGS - ASSESSMENT OF OVERALL ENERGY PERFORMANCE
    DIN EN 16810:2017-08 RESILIENT, TEXTILE AND LAMINATE FLOOR COVERINGS - ENVIRONMENTAL PRODUCT DECLARATIONS - PRODUCT CATEGORY RULES
    I.S. EN 15232:2012 ENERGY PERFORMANCE OF BUILDINGS - IMPACT OF BUILDING AUTOMATION, CONTROLS AND BUILDING MANAGEMENT
    PD CEN/TR 15615:2008 Explanation of the general relationship between various CEN standards and the Energy Performance of Buildings Directive (EPBD). Umbrella document
    ISO 17772-1:2017 Energy performance of buildings — Indoor environmental quality — Part 1: Indoor environmental input parameters for the design and assessment of energy performance of buildings
    PD CEN/TR 15232-2:2016 Energy performance of buildings Accompanying TR prEN 15232-1:2015. Modules M10-4,5,6,7,8,9,10
    UNI EN 15643-1 : 2010 SUSTAINABILITY OF CONSTRUCTION WORKS - SUSTAINABILITY ASSESSMENT OF BUILDINGS - PART 1: GENERAL FRAMEWORK
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    I.S. EN 15643-2:2011 SUSTAINABILITY OF CONSTRUCTION WORKS - ASSESSMENT OF BUILDINGS - PART 2: FRAMEWORK FOR THE ASSESSMENT OF ENVIRONMENTAL PERFORMANCE
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    DIN EN 15377-3:2007-12 HEATING SYSTEMS IN BUILDINGS - DESIGN OF EMBEDDED WATER BASED SURFACE HEATING AND COOLING SYSTEMS - PART 3: OPTIMIZING FOR USE OF RENEWABLE ENERGY SOURCES

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

    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 15251:2007 Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics
    EN ISO 15927-4:2005 Hygrothermal performance of buildings - Calculation and presentation of climatic data - Part 4: Hourly data for assessing the annual energy use for heating and cooling (ISO 15927-4:2005)
    ISO 13792:2012 Thermal performance of buildings Calculation of internal temperatures of a room in summer without mechanical cooling Simplified methods
    EN 215 : 2004 AMD 1 2006 THERMOSTATIC RADIATOR VALVES - REQUIREMENTS AND TEST METHODS
    ISO 9346:2007 Hygrothermal performance of buildings and building materials — Physical quantities for mass transfer — Vocabulary
    EN 15241:2007/AC:2011 VENTILATION FOR BUILDINGS - CALCULATION METHODS FOR ENERGY LOSSES DUE TO VENTILATION AND INFILTRATION IN BUILDINGS
    ISO 15927-4:2005 Hygrothermal performance of buildings — Calculation and presentation of climatic data — Part 4: Hourly data for assessing the annual energy use for heating and cooling
    EN 15377-3:2007 Heating systems in buildings - Design of embedded water based surface heating and cooling systems - Part 3: Optimizing for use of renewable energy sources
    EN 12792:2003 Ventilation for buildings - Symbols, terminology and graphical symbols
    EN 15265:2007 Energy performance of buildings - Calculation of energy needs for space heating and cooling using dynamic methods - General criteria and validation procedures
    DIN V 18599-7:2016-10 ENERGY EFFICIENCY OF BUILDINGS - CALCULATION OF THE NET, FINAL AND PRIMARY ENERGY DEMAND FOR HEATING, COOLING, VENTILATION, DOMESTIC HOT WATER AND LIGHTING - PART 7: FINAL ENERGY DEMAND OF AIR-HANDLING AND AIR-CONDITIONING SYSTEMS FOR NON-RESIDENTIAL BUILDINGS
    UNI 10963 : 2001 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS - PERFORMANCE TESTS AT PART LOAD
    EN 832:1998/AC:2002 THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF ENERGY USE FOR HEATING - RESIDENTIAL BUILDINGS
    ASHRAE HDBK FUNDAMENTALS : 2013 ASHRAE HANDBOOK - FUNDAMENTALS
    ISO 9288:1989 Thermal insulation — Heat transfer by radiation — Physical quantities and definitions
    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)
    PREN ISO 13790 : DRAFT 1999 THERMAL PERFORMANCE OF BUILDINGS - CALCULATION OF ENERGY USE FOR HEATING
    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
    CEN/TS 14825 : 2003 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - TESTING AND RATING AT PART LOAD CONDITIONS
    ISO 13791:2012 Thermal performance of buildings Calculation of internal temperatures of a room in summer without mechanical cooling General criteria and validation procedures
    EN 15255:2007 Energy performance of buildings - Sensible room cooling load calculation - General criteria and validation procedures
    EN 13779:2007 Ventilation for non-residential buildings - Performance requirements for ventilation and room-conditioning systems
    IEC 60675:1994+AMD1:1998 CSV Household electric direct-acting room heaters - Methods for measuring performance
    EN 15242:2007 Ventilation for buildings - Calculation methods for the determination of air flow rates in buildings including infiltration
    EN 15026:2007 Hygrothermal performance of building components and building elements - Assessment of moisture transfer by numerical simulation
    ISO 9251:1987 Thermal insulation Heat transfer conditions and properties of materials Vocabulary
    EN 12831 : 2003 HEATING SYSTEMS IN BUILDINGS - METHOD FOR CALCULATION OF THE DESIGN HEAT LOAD
    EN 60675:1995/A1:1998 HOUSEHOLD ELECTRIC DIRECT-ACTING ROOM HEATERS - METHODS FOR MEASURING PERFORMANCE
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