The IES Virtual Environment has been assessed against a number of global as well as regional standards. These are listed below with links to further related information.
ASHRAE 140: 2001, 2004, 2007, 2014
IES is fully validated under ASHRAE Standard 140 and have published the results for all versions of ASHRAE Standard 140; 2001, 2004, 2007 and 2014 (Heating, Cooling and Envelope).
ASHRAE 90.1 Compliance with IESVE