This website was developed by the Indoor Air Quality and Ventilation Group to foster the development and facilitate the application of multizone ventilation and indoor environmental modeling in the areas of building design, operation, maintenance, investigation and research. Within this website you download the multizone airflow and contaminant transport modeling software, CONTAM and other modeling tools, information on the applications of the tools, and associated case studies.
December 6, 2021 - Updated CONTAM to version 220.127.116.11 (fix duct-related issue)
November 22, 2021: Released ViPER version 1.0 (see SOFTWARE section).
November 8, 2021 - Updated CONTAM to version 18.104.22.168 including ContamX version 22.214.171.124
October 15, 2021
Updated to CONTAM3DExport tool v126.96.36.199
Updated EPWtoWTH file converter v2.0
May 17, 2021 - Introduction to CONTAM Training videos released to NIST Video Gallery. See Tutorials page of CONTAM Software section.
August 11, 2020 - CONTAM 3.4 and related software released.