Knowledge Base AutoCAD
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 (2003)
Explains the concept of heat load calculation based on EN 12831 (2003).
About General Heat Load Data
Explains the concept of general heat load data in the context of heat load calculations.
Details on Calculation Options
Information on the Calculation options section of the general heat load data.

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 LINEAR Solutions-programs in AutoCAD and LINEAR Building.
Preparing Building
Learn how drawings are prepared by architects to create architecture for building analysis.
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).
    - 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 .
      - Set Ventilation System Globally
        Shows step-by-step how to set up a ventilation system for your entire project.
      - Details on Ventilation
        Information on the Ventilation section of 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 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 Additional Capacity
        Information on the Additional capacity section of the general heat load data.
      - Details on Calculation Options
        Information on the Calculation options section of the general heat load data.
    - About the Transmission
      Explains the concept of transmission at room level, in relation to the heat load calculation.
    - About Component Values
      Explains the concept of component values.
    - 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 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 into the drawing.
Drawing Networks
Learn how to draw pipe and duct networks, generate schematics, and create slots and openings.
Calculating Networks
Learn how to calculate pipe and duct networks.
Dimensioning/Label
Learn how to label section parts and components in your drawing.
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.

Details on Calculation Options

Information on the Calculation options section of the general heat load data.

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Module overview ➤ Heat load ➤ Project level ➤ Calculation options

Consideration PLH

Activated: Components that adjoin adjacent rooms, some of which have limited heating, are included in the calculation.

Consider components adjoining other building units ("uw") in building heat load

Activated: Assumption that uw-components are adjoining building units which do not belong to the balanced building. The transmission heat losses of the components are included in the standard heat load and in the dimensioning heat load. This is the default setting.

Deactivated: Assumption that uw-components are adjoining building units which do belong to the balanced building. The transmission heat losses do not pass to the outside and the thermal bridge supplement is not used. The transmission heat losses are also not added to the standard heat load and the dimensioning heat load.

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Details on Calculation Options

Consideration PLH

Consider components adjoining other building units ("uw") in building heat load