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(10)Sales
Adding seats to existing site license
Single-user versus Network licenses
(5)Support General
Unable to access new dialog window at Model Data Grid View
Program Help for previous versions
(25)Simulations
Why is the maximum cooling load not the same as the sum of the internal and solar gains?
Glaser condensation diagram layers compressed together
(4)CFD
DesignBuilder crash when trying to show CFD slice
CFD convergence issues
(16)EnergyPlus
Why is the maximum cooling load not the same as the sum of the internal and solar gains?
Unmet hours reported at Building level, what is best process to diagnose at zone/space level?
(5)Natural Ventilation
Error: Too many iterations in Airflow Network simulation (calculated natural ventilation)
How can I allow calculated natural ventilation when the outside air is warmer than inside
(13)HVAC
Unmet hours reported at Building level, what is best process to diagnose at zone/space level?
VRF design and modelling using DesignBuilder
(28)Modelling
Using Offset Snap to Draw Perimeter Zones
Why are Internal Partitions Not Accessible at Zone Level?
(18)Top tips
Using Offset Snap to Draw Perimeter Zones
Why are Internal Partitions Not Accessible at Zone Level?
(11)Hardware and OS
DesignBuilder crash while using drawing tools in MACs running BootCamp
Surfaces missing when using Parallels application
(11)Data files, Template and Components
File couldn't be saved as a compressed file
DesignBuilder dsb file version compatibility
(4)Using the website
Unable to login on Support Desk account
Why can't I view my support tickets?
(38)Installation and Licensing
File couldn't be saved as a compressed file
Adding seats to existing site license
(8)Hourly weather data
Designing for Future Climate
How to add CIBSE weather files to my calculation
(46)SBEM and DSM
Foundation Area and Maximum Number Of Storeys
How to change NCM version from 5.6.b to 6.1.b?
(6)Radiance daylighting
Solar tubes in DesignBuilder Daylighting
Daylighting autonomy in DesignBuilder
(5)LEED
Reporting VRF heating / cooling capacities, COP and other data.
Why Lighting and Equipment gains outputs are missing from the results.
(4)BREEAM
Is DesignBuilder approved for BREEAM ENE 01 calculations?
Where can I find the BRUKL compliance input file for the BREEAM Ene 01 calculator

Foundation Area and Maximum Number Of Storeys
FOUNDATION AREA A new term 'Foundation Area' has been introduced with the 2021 NCM. It is defined as: Foundation Area = Total conditioned Area / Nstoreys DesignBuilder v7.1 calculates the Foundation Area automatically using this formula and uses the in...
How to change NCM version from 5.6.b to 6.1.b?
You can run the existing models in the new release. You just will need to change the NCM version to V6.1.B on each model at PROJECT DETAILS.
Why is the maximum cooling load not the same as the sum of the in...
It isn't possible to calculate summer design cooling loads for each hour by simply summing internal gains for that hour because it is necessary to take into account the building thermal mass, as well as the difference between convective and radiant heat t...
Glaser condensation diagram layers compressed together
Glaser diagrams use the concept of "equivalent thickness of air" on the X-axis which defines the amount of resistance to moisture diffusion relative to the equivalent thickness of air. When layers are compressed together this means that they offer little ...
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Newest articles 
 
  1. Upgrade single user license to latest version
  2. EPC Convention 4.08 Modelling a zone within a zone
  3. EPC Convention 6.06 DHW serves multiple buildings
  4. Support Desk Policy
  5. Foundation Area and Maximum Number Of Storeys
  6. How to change NCM version from 5.6.b to 6.1.b?
  7. Reporting VRF heating / cooling capacities, COP and other data.