: A 30-day, fully featured free trial is available for users to test all VE functionality before committing to a purchase.

If you are a professional evaluating the software for your firm, the 30-day trial is your best option.

of IESVE 2025 is available. This includes access to all core modules like ApacheSim (thermal analysis), SunCast (solar), and Radiance (daylighting).

IES Virtual Environment (IESVE) Analysis Report IES Virtual Environment (IESVE)