Shaping Tomorrow's Built Environment Today

Section 4.0 — Load Calculations and Energy Requirements

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  • TC 4.1 Load Calculation Data and Procedures

    Scope
    Technical Committee 4.1 is concerned with the identification and compilation of engineering data and the development of procedures for calculating heating, cooling, refrigeration. and ventilating loads of structures.

    TC Website:
    https://tc0401.ashraetcs.org/.

  • TC 4.2 Climatic Information

    Scope
    Technical Committee 4.2 is concerned with identification, analysis and tabulation of climatic data for use in analysis and design of heating, refrigeration, ventilation and air-conditioning systems. Promotion of effective use of weather information in these applications is also included.

    TC Website:
    https://tc0402.ashraetcs.org/

  • TC 4.3 Ventilation Requirements and Infiltration

    Scope
    Technical Committee 4.3 is concerned with ventilation, infiltration, air flow around buildings, and the re-entry of exhausts, including their interactions with indoor air quality, HVAC system performance, and energy consumption.

    TC Website:
    https://tc0403.ashraetcs.org/

  • TC 4.4 Building Materials and Building Envelope Performance

    Scope
    Technical Committee 4.4 is concerned with the requirements and overall performance of the building envelope as it relates to: 1) heat, air and moisture related properties of building materials 2) fundamental heat, air and moisture transport processes of assemblies; 3) interactions with interior conditions and HVAC systems. In addition, TC 4.4 is concerned with the properties of materials used in mechanical systems to control heat and moisture flows.

    TC Website:
    https://tc0404.ashraetcs.org/

  • TC 4.5 Fenestration

    Scope
    Technical Committee 4.5 is concerned with the identification and evaluation of all physical properties of (1) glasses and other glazing materials, (2) shading and shielding materials and devices, and (3) control devices and strategies which influence the radiant, conduction, and convection transfer of both heat and light through fenestration systems. It is also concerned with the development of procedures for calculating and measuring solar heat gain, daylight admission, and heat transfer through fenestration systems.

    TC Website:
    https://tc0405.ashraetcs.org/

  • TC 4.7 Energy Calculations

    Scope
    Technical Committee 4.7 is concerned with identifying, evaluating, developing, and recommending procedures for calculating energy performance of buildings.

    TC Website:
    https://tc0407.ashraetcs.org/

  • TC 4.10 Indoor Environmental Modeling

    Scope
    Technical Committee 4.10 is concerned with developing, evaluating and recommending procedures for predicting indoor environmental conditions including thermal, acoustical, illumination, and air quality for new or existing buildings.

    TC Website:
    https://tc0410.ashraetcs.org/

  • TRG4.IAQP Indoor Air Quality Procedure Development

    Scope
    TRG4.IAQP
    is concerned with developing specific guidance to allow users to apply the IAQP method as defined under ASHRAE Standard 62.1. Committee results will be presented to the 62.1 Committee as submissions for inclusion in appendices of the Standard.

    Home Page
    http://trg4iaq.ashraetcs.org/

  • Section 4.0 Home Pages

    The technical expertise of ASHRAE is concentrated in its Technical Committees (TCs), Task Groups (TGs), and Technical Resource Groups (TRGs). Keep in touch with your committee or group by accessing its home page!

    If you are interested in finding out how to list your TC, TG, or TRG's home page here, please contact Mike Vaughn at mvaughn@ashrae.org

    ASHRAE Technical Committee 4.1
    Load Calculation Data and Procedures

    ASHRAE Technical Committee 4.2
    Climatic Information

    ASHRAE Technical Committee 4.3
    Ventilation Requirements & Infiltration

    ASHRAE Technical Committee 4.4
    Building Materials and Building Envelope Performance

    ASHRAE Technical Committee 4.5
    Fenestration

    ASHRAE Technical Committee 4.7
    Energy Calculations

    ASHRAE Technical Committee 4.10
    Indoor Environmental Monitoring

    ASHRAE Technical Resource Group, TRG4.IAQP
    Indoor Air Quality Procedure Development

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