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The software supports LEED, BREEAM, ASHRAE, and various local energy compliance codes.
To ensure you are downloading a secure, malware-free, and up-to-date version of the software, you must always download directly from the official developer. 1. Access the Official Download Portal
The IES Virtual Environment (IESVE) is the industry standard for high-performance building analysis. Whether you are an architect, engineer, or sustainability consultant, having the right software is crucial for meeting net-zero targets and optimizing building energy performance. ies virtual environment download
IES VE performs heavy computational simulations, especially during complex CFD (Computational Fluid Dynamics) runs or annual thermal calculations. Ensure your hardware meets these specifications before launching the download: Minimum Requirement Recommended Specification Windows 10 (64-bit) Windows 11 (64-bit) Processor Intel Core i5 or AMD equivalent Intel Core i7/i9 or AMD Ryzen 7/9 (High clock speed) Memory (RAM) 16 GB or 32 GB (For complex geometry) Storage 5 GB free disk space Solid State Drive (SSD) with 20+ GB free space Graphics Card Dedicated card with OpenGL support NVIDIA GeForce or Quadro with 4GB+ VRAM Step-by-Step Installation Guide
⚠️ Never download IES VE from third-party sites. Only use official sources to avoid malware or broken modules.
Click and wait for the process to complete. This may take several minutes depending on your system speed. Click Finish and restart your computer if prompted. Step 5: Activating Your IESVE License This public link is valid for 7 days
: Provides sub-hourly thermal analysis for buildings of any size or complexity. Integrated Suite : Includes modules for Daylight Assessment (LEED/BREEAM), HVAC Load Sizing , solar analysis, and carbon emission tracking. Digital Twins : Newer updates focus on Digital Twin technology
The natural ventilation and infiltration analysis tool, allowing you to simulate complex airflow through open windows, doors, and louvers.
: A 30-day, fully featured free trial is available for users to test all VE functionality before committing to a purchase. Can’t copy the link right now
The platform is not a single tool but a comprehensive suite of linked applications. These modules are connected by a common user interface and a single Integrated Data Model (IDM). This means that any data you input for one module—like your building's geometry—is automatically available for all others, creating a cohesive and efficient workflow. At the heart of the IESVE is the , a trusted tool for over 30 years that delivers accurate performance metrics and decarbonisation options.
To install IES VE, follow these steps:
❗ Without a license, the software runs in – you can open existing models but not edit or simulate.