Software Validation and Approval

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).
 

Standard

 

USGBC

LEED Automation Partner

 

US Department of Energy

Approved the use of IES-VE for Federal Incentives - IRS Code 179D - - Originally enacted under the Energy Policy Act (“EPAct”)

BEST TEST

standard
 
 

CIBSE TM33

standard
 

EU EN13791: July 2000

standard
 
 

UK National Calculation Methodology

methodology
 
 

ASHRAE 55 calculation procedure

methodology
 
 

ASHRAE 90.1 Appendix G PRM calculation procedure

methodology
 

ASHRAE 62.1 calculation procedure

methodology

California Energy Commission

Approved for Title 24 Non-residential Compliance
 

ISO 7730 calculation procedure

methodology
 
 

South Africa National Building Regulations: Regulation XA3 of Part XA: Energy usage in buildings

methodology