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 General Heat Load Data
Explains the concept of general heat load data in the context of heat load calculations.
Setting Minimum Temperature of the Building Unit
Shows step-by-step how to set the minimum temperature for the unheated condition in a building unit.

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.
      - Select Calculation Base
        Shows step-by-step how to select a calculation base for your heat load.
      - Details on Climate data for the Netherlands
        Information on the Climate data for the Netherlands section of the general heat load data.
      - Details on Building Mass
        Information about the Building mass section in the general heat load data.
      - Setting the Thermal Bridge Supplement Globally
        Shows step-by-step how to set a thermal bridge supplement for your entire project.
      - Details on Thermal Bridge Supplement
        Information about the Thermal bridge supplement section in the general heat load data.
      - Setting the Thermal Bridge Supplement Individually
        Shows step-by-step how to set the thermal bridge supplement at the component in the room.
      - Editing Table for Thermal Bridge Supplements
        Shows step-by-step how to edit the thermal bridge supplements table.
      - Setting Minimum Temperature of the Building Unit
        Shows step-by-step how to set the minimum temperature for the unheated condition in a building unit.
      - Configuring the Heat Transfer System Globally and at Room Level
        Shows step-by-step how to set up a heat transfer system , both project wide and room specific.
      - Details on Heat Generator Installation Type
        Information about the Heat generator installation type section in the general heat load data.
      - Details on Heat Transfer System
        Information about the Heat transfer system section in the general heat load data.
      - Details on Safety Class ISSO 51
        Information about the ISSO 51 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 Ventilation -> Infiltration
        Information on the Ventilation -> Infiltration 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 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.

Setting Minimum Temperature of the Building Unit

Shows step-by-step how to set the minimum temperature for the unheated condition in a building unit.

Before you begin

You would like to set the minimum temperature of a building unit for the unheated condition.

Navigate to:

Module overview ➤ Heat load ➤ Building unit level ➤ Heat load ➤ General building unit data

Procedure

If you would like to calculate the temperature of the building unit in the unheated condition according to Annex F.2 of the ISSO, activate the option Calculate temperature theta_b according to Annex F.2.
If you would like to enter an individual temperature, deactivate the option Calculate temperature theta_b according to Annex F.2.

Click resets the manually entered value to the calculated value from Annex F.2.

Results

The minimum temperature for this building unit is set.

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Setting Minimum Temperature of the Building Unit

Before you begin

Navigate to:

Procedure

Results