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 Based on EN 12831-1 (2017)
Explains the concept of heat load calculation based on EN 12831-1 (2017).
About General Heat Load Data
Explains the concept of general heat load data in the context of heat load calculations.
Set Ventilation System Globally
Shows step-by-step how to set up a ventilation system for your entire project.

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-Concept Design
Learn how to collaboratively localize and dimension equipment rooms and how to create pipeline corridor concepts.
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).
    - 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.
      - Select Calculation Base
        Shows step-by-step how to select a calculation base for your heat load.
      - Select Location and Climate Data
        Shows step-by-step how to select location and climate data for your project.
      - Details on Location and Climate Data
        Information about the Location and climate data section of the general heat load data.
      - Details on Locations
        Information about the Locations dialog in the general heat load data.
      - About Location and Climate Data sets
        Explains the concept of location and climate data sets in .
      - Setting the Thermal Bridge Supplement Individually
        Shows step-by-step how to set the thermal bridge supplement at the component in the room.
      - Details on Thermal Bridge Supplement
        Information about the Thermal bridge supplement section in the general heat load data.
      - Editing the Table for Thermal Bridge Supplements
        Shows step-by-step how to edit the thermal bridge supplements table.
      - Set Minimum Temperature per Building Unit
        Shows step-by-step how to set individual minimum temperatures in unheated condition for each building unit.
      - Details on Minimum Temperature Unheated Building Unit
        Information about the Minimum temperature unheated building unit section in the general heat load data.
      - Configuring the Heat Transfer System Globally and at Room Level
        Shows step-by-step how to set up a heat transfer system for rooms higher than 4 m, both project wide and room specific.
      - Details on Heat Transfer System
        Information on the Heat transfer system section in the general heat load data.
      - Set Ventilation System Globally
        Shows step-by-step how to set up a ventilation system for your entire project.
      - Set Ventilation System in Ventilation Zone
        Shows step-by-step how to define the ventilation system at the ventilation zone level.
      - Details on Ventilation
        Information about the Ventilation section in the general heat load data.
      - Details on Temperatures to Unheated Rooms
        Information on the Temperatures to unheated rooms section in the general heat load data.
      - Details on Additional Capacity
        Information on the Additional capacity section of the general heat load data.
      - Details on Shielding Class
        Information about the Shielding class section in the general heat load data.
      - Details on Building Mass
        Information about the Building mass section in the general heat load data.
      - Details on Specific Air Permeability (50 Pa)
        Information on the Specific air permeability (50 Pa) section of the general heat load data.
    - 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.
    - 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 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).
  - 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 acc. 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.
Dimensioning Components
Learn how to dimension radiators, convectors, panel heating and concrete core activation systems on the basis of the requirements analysis in LINEAR Building and manufacturer-specific.
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 the 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.
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
Get information about material compilation in LINEAR Building. You will also learn how to print or export calculation results and material lists in your CAD program.
Troubleshooting
Get information about possible sources of errors when working with LINEAR Solutions.

Set Ventilation System Globally

Shows step-by-step how to set up a ventilation system for your entire project.

Before you begin

You would like to define a project wide ventilation system.

Navigate to:

Module overview ➤ Heat load ➤ Project level ➤ General heat load data

Procedure

Open the drop-down list under Ventilation and select a ventilation system.
Enter the efficiency η value (HR) for supply or exhaust air systems.
Enter the Design pressure difference of the OAD.

Results

The ventilation system for your project is selected and set.

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Set Ventilation System Globally

Before you begin

Navigate to:

Procedure

Results