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v3.2 [Aug 1, 2013]
- EnergyPlus v7.2
- Detailed HVAC template wizard allows fully connected systems to be loaded to the model
- ASHRAE 90.1 constructions and outline Appendix G baseline HVAC systems
- Improved Simple HVAC simulations with options for humidity control, heat recovery and economizer as well as faster autosizing
- Change-over Mixed mode now available for all HVAC and Natural ventilation model options
- Simulate phase change materials (PCM) in detail
- Fanger PMV control
- Constant CoP chiller
- More flexible heated floors and chilled ceilings
- EnergyPlus database of 110 air-cooled chillers added to existing water-cooled chillers
- Latest IGDB glass database and option to import Glass data from WINDOW6 files directly into DesignBuilder Pane dialog
- Custom crack templates can be defined for Calculated natural ventilation
- Various fixes for Detailed HVAC
- Infiltration air flow rates can be scheduled
- Improved IDF generation with user-defined descriptions used for materials, constructions (and if possible schedules and glazing/shading)

v3.0 [Jun 20, 2011]
E : Updated for the latest v19 of the IGDB glazing database. E : Fix for natural ventilation data showing up under DHW on the HVAC tab under certain circumstances. E : Increased enthalpy limits for mixed mode control. Daylighting: Improved error control in daylighting. E : Boilers and chillers added to HVAC templates and unitary performance data correctly labelled.
E+: Fix for bug where airflow through holes is reported at the surface level instead of hole level in recent versions having knock on effect on CFD boundary condition imports. E+: New Unitary DX cooling coil option for AHUs with additional option for single speed or 2 stage with humidity control. E+: Fix for Unitary heating and cooling performance data not always displayed on HVAC tab in model data. E+: Fixes and improvements for cooling tower dialog. E+: Mixed mode natural ventilation option now only shown for calculated natural ventilation and compact HVAC. Daylighting: Can now handle very large contour map data sets. Daylighting: Improved handling of merged zones. Daylighting: Fix for crash in some roof zones. Daylighting: New option to include/exclude other buildings from Radiance simulation. CFD: Fix for bug where CFD surface patches can transform into other opening types in certain cases. CFD: Fix for component block CFD boundary conditions being missed when contained in merged child zones. All: Fix for lost custom openings when drawing partitions. All: Fix for bug preventing construction lines from being deleted at surface level. All: Fix for sub-surface texture bug.