Knowledge Base Revit
Analyzing Buildings
Get information about the requirements analysis of a building. The demand analysis includes the calculation of the heat load, the cooling load and the ventilation concept.
Heat Load
Select a calculation basis for the calculation of the heat load according to the location and requirements of your project.
Heat load calculation according to ISSO 51 and 53 (2018)
Explains the concept of heat load calculation according to the Dutch standards ISSO 51 and ISSO 53 (2018).
About the Transmission
Explains the concept of transmission at room level in relation to the heat load calculation.

New Features
Learn about new features in LINEAR software.
System Requirements
Learn more about the system requirements for using the LINEAR solutions.
Supported Norms and Standards
Learn which norms and standards support the LINEAR Solutions modules.
LINEAR Installation and Administration
Learn how to install, your LINEAR software, license and keep it up to date.
Getting Started
Get basic information about the structure, function, and interaction of the LINEAR Solutions programs in Revit and LINEAR Building.
Preparing Building
Learn how architects prepare plans and models to create a building model for building analysis.
Pre-conception design
Learn how to plan the positionining and dimensioning of technical control centers and create the route concept in collaboration with all parties involved in the planning.
Analyzing Buildings
Get information about the requirements analysis of a building. The demand analysis includes the calculation of the heat load, the cooling load and the ventilation concept.
- Heat Load
  Select a calculation basis for the calculation of the heat load according to the location and requirements of your project.
  - Heat Load Calculation Based on EN 12831-1 (2017)
    Explains the concept of heat load calculation based on EN 12831-1 (2017).
  - Heat Load Calculation Based on EN 12831 (2003)
    Explains the concept of heat load calculation based on EN 12831 (2003).
  - Heat load calculation according to ISSO 51 and 53 (2018)
    Explains the concept of heat load calculation according to the Dutch standards ISSO 51 and ISSO 53 (2018).
    - About Building Detection
      Explains the building detection concept in relation to the heat load calculation.
    - About General Heat Load Data
      Explains the concept of general heat load data in the context of heat load calculations.
    - About Component Values
      Explains the concept of component values.
    - About the Transmission
      Explains the concept of transmission at room level in relation to the heat load calculation.
      - Defining Rooms as Unheated
        Shows step-by-step how to define a room in your project as unheated.
      - Editing Room Temperature
        Shows step-by-step how to change the room temperature in individual rooms.
      - Creating New Room Component
        Shows step by step how to create a new component in the room.
      - Defining a Room Component as Heated
        Shows step by step how to define a room component as heated.
      - Assigning Adjoining Room to Room Components
        Shows step by step how to assign a room adjoining section to a Room component corridor.
      - Setting summand f1 or adjoining temperature
        Shows step by step set the adjoining temperature or the summand f1 in rooms.
      - Details on Transmission
        Information on the Transmission section at room level.
      - Setting Building Unit Data
        Shows step-by-step how to set fundamental building unit data.
      - Setting Time Constant for Building Unit Individually
        Shows step-by-step how to set the time constant per building unit.
      - Details on General Building Unit Data
        Information on the General Building Unit Data section in the Heat load tab of the building unit level.
      - Details on General Ventilation Zone Data
        Information on the General ventilation zone data section in the Heat load tab of the building unit level.
      - Search and Replace Component Data
        Shows step-by-step, how to search and replace component data.
    - About Ventilation Data
      Explains the concept Ventilation data in relation to the heat load calculation.
    - About the Intermittent Heating Operation
      Explains the concept of intermittent heating operation at room level in connection with the heat load calculation.
  - Heat Load Calculation According to SN SIA 384/2 (2020)
    Explains the concept of heat load calculation based on SN SIA 384/2 (2020).
  - Heat load calculation according to DS 418(2020)
    Explains the concept of heat load calculation according to the danish standard DS 418.
  - Heat load calculation according to SP 60.13330.2016
    Explains the concept of heat load calculation based on SP 60.13330.2016.
  - Approximate Heat Load
    Explains the concept of approximate heat load calculation by means of quick entry.
- Cooling Load Short Procedure
  Learn how to calculate a cooling load for your building based on the short procedure of VDI 2078 (1996), section 6.
- Cooling Load Dynamic
  Select a method for determining the cooling load to suit the location and requirements of your project.
- Domestic Ventilation According to DIN 1946-6
  Explains the concept of the modules for domestic ventilation according to DIN 1946-6.
Dimensioning Components
Learn how radiators, convectors, panel heating/cooling systems and concrete core activation systems and components of ventilation systems are designed based on the requirement analysis in LINEAR Building.
Inserting Components
Learn how to insert components from the LINEAR CAD Browser, from the libraries and configurators of the Library tab or from LINEAR Building into a model.
Constructing Networks
Learn how to create pipe and duct networks, design slots and openings and manage discipline-related reports and tasks.
Calculating Networks
Learn how to calculate pipe and duct networks.
Creating a Scheme
Get information on the workflow Scheme for the discipline Potable Water in Revit.
Construction Design
Get information about the workflow Construction design in connection with pipe and duct networks.
Labeling
Learn how to label section parts and components in the model.
Output
Obtain information on the output of calculation results and material extracts in your CAD program in LINEAR Building. In addition, find out how you can customize the layout of the output documents using the print mask editor.
Troubleshooting
Get information about possible sources of errors when working with LINEAR Solutions.

About the Transmission

Explains the concept of transmission at room level in relation to the heat load calculation.

The Transmission section in the Heat load tab at room level provides a table overview of all components of the selected room relevant for the heat load calculation. You can also configure the intermittent heating operation specifically for this room and edit the properties of all room components. The output bar for results shows the rooms heat load with its individual components.

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About the Transmission