DesignBuilder v3 introduces some important new features as well as widespread consolidation of existing functionality. Version 3.2 features: EnergyPlus v7.2 Detailed HVAC template wizard allows fully connected systems to be loaded to the model More ASHRAE 90.1 and LEED options including Appendix G constructions and outline baseline HVAC systems Improved Simple HVAC simulations with options for humidity control, heat recovery and economiser 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 - total count of 274 chillers Latest v28 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 Infiltration can be scheduled Many fixes and improvements, especially in Detailed HVAC Approved by Scottish Government for EPCs and Section 6 reports but not by DCLG for E&W EPCs and Part-L