IES tools meet the following approved international standards.
IESVE 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).
IESVE meets or exceeds all of the requirements of the ANSI/ASHRAE/ACCA Standard 183 which sets minimum requirements for methods and procedures used to perform peak cooling and heating load calculations for buildings except low-rise residential buildings.
IESVE uses the Heat Balance (HB) Method to calculate cooling and heating loads of rooms, zones or buildings, in order to comply with the Standard. The ASHRAE Heat Balance Method is detailed in Chapter 18 of the ASHRAE Handbook – Fundamentals as the preferred accurate method for load calculations. Standard 183 specifies calculation methods and requirements for:
IESVE meets or exceeds the requirements of the ISO 52000 series of standards, and the locally adopted standards version such as the German DIN EN 12831 or United Kingdom BS EN 12831.
ISO 52000 series of standards contains a comprehensive method of assessing energy performance as the total primary energy used for heating, cooling, lighting, ventilation and domestic hot water of buildings. The standards specify calculation methods for the assessment of:
IES tools can undertake the following methodologies.
IES is a LEED Automation partner.
IES offers more approved software solutions for compliance than any other vendor. Covering multiple building regulations and rating systems across the globe.