the International Building Performance Simulation Association, is a non-profit international society of building performance simulation researchers, developers and practitioners, dedicated to improving the built environment.

ASim2014 Call for Abstracts

ASim2014 Call for Abstracts The 2nd Asia conference of International Building Performance Simulation Association, ASim2014, will take place November 28-29, 2014 in Nagoya, Japan. ASim2014 is being organized by IBPSA-Japan. Nagoya University will host the conference. This biennial conference will provide a platform for professionals, designers, engineers and students exchanging ideas, knowledge and information about […]

New IEA Annex 66 Launched

Official launch of IEA Annex 66 on “Definition and Simulation of Occupant Behavior in Buildings”. Annex 66 website http://www.annex66.org. For further information refer to the abstract of the annex description which can be accessed here (click on the headline of this post first).

BauSIM 2014 Call for Papers

With the main topic “Human-Centred Building”, Next IBPSA-Germany and Austria conference BauSIM2014 will take place from September 22 – 24, 2014 in Aachen, Germany. The town of Aachen (Aix-la-Chapelle) is located at the three country border of Belgium, The Netherlands and Germany. The event is hosted by RWTH Aachen University. Abstracts are due 30. April […]

BS2013 Proceedings Online

Proceedings of the past Building Simulation 2013 conference in France are now online accessible. See section “papers online”.


The second conference on Building Simulation and Optimization (www.bso14.org) will take place on the 23-24 June 2014 in London. This biennial conference, organised by IBPSA-England and CIBSE, will be hosted by UCL (University College London). Post-conference workshops, training, and events will be held on the 25th and 26th of June. Keynote addresses by Ursula Eicker […]


14th International Conference of the International Building Performance Simulation Association, in Hyderabad, INDIA. Conference website: http://www.bs2015.in Further details will be announced soon.

New affiliates

The IBPSA Board recently welcomed the new IBPSA Regional Affiliate IBPSA-Argentina. See the Affiliates page for links to their web sites and contacts. For information on establishing a regional affiliate in your country, see the guide for Submitting a Proposal to form an IBPSA Affiliate.

IBPSA’s First Book

Newly published, IBPSA’s first book “Building Performance Simulation for Design and Operation” with contributions from 21 expert co-authors, this 536 pages book provides a unique and comprehensive overview of building performance simulation. Read more


The International Building Performance Simulation Association (IBPSA) makes three awards for outstanding work in the building performance simulation field. These awards are made on a biennial basis at each Building Simulation Conference, providing there is a qualified candidate. Read more …