Resources
Vietnamese codes, weather data, simulation software and IBPSA publications. Links checked on 10 October 2026.
Vietnam codes and data
- Regulation QCVN 04-3:2026/BXD Energy-efficient buildings. Issued with Circular 61/2026/TT-BXD of 30 July 2026, in force from 1 February 2027, replacing QCVN 09:2017/BXD.
- Regulation QCVN 09:2017/BXDEnergy-efficient buildings (Circular 15/2017/TT-BXD). Applies until 31 January 2027.
- Regulation QCVN 02:2022/BXDNatural and climatic data for construction (Circular 02/2022/TT-BXD), in force from 26 March 2023.
- Green rating LOTUS Green building rating system of the Vietnam Green Building Council (VGBC).
- Green rating EDGE IFC certification and online tool for energy, water and materials efficiency.
- Weather data Climate.OneBuilding.Org: Vietnam Free EPW weather files (TMYx) for Vietnamese stations. The data behind the homepage scene.
Simulation software
- Free EnergyPlus Open-source whole-building energy simulation engine from the US Department of Energy.
- Free OpenStudio Tools and interface for EnergyPlus and Radiance.
- Free Ladybug Tools Climate, energy and daylight analysis inside Rhino/Grasshopper.
- Free eQUEST Energy simulation interface built on DOE-2.
- Free Radiance Daylight and lighting simulation.
- Free OpenFOAM Open-source CFD, used for ventilation and wind around buildings.
- Free Climate Consultant Turns EPW files into climate charts and passive design hints.
- Commercial DesignBuilder Graphical interface for EnergyPlus, with CFD and daylight modules.
- Commercial IES VE Integrated building performance analysis suite.
- Commercial TRNSYS Transient simulation of energy and thermal systems.
- Commercial ENVI-met Urban microclimate and heat island simulation.
- Directory BEST Directory Full directory of building energy software tools, kept by IBPSA-USA.
IBPSA publications
- Journal Journal of Building Performance Simulation The official journal of IBPSA.
- Proceedings Building Simulation proceedings Papers from the international Building Simulation conferences.
- Proceedings Regional conference proceedings Proceedings of the regional affiliates' conferences.
- Newsletter ibpsaNEWS IBPSA newsletter, published twice a year.
- Video IBPSA webinars IBPSA educational webinars.
- Book Building Performance Simulation for Design and Operation Hensen and Lamberts (eds), Routledge. Endorsed by IBPSA.
- Book Fundamentals of Building Performance SimulationBeausoleil-Morrison, Routledge. Endorsed by IBPSA.