If the cost of IESVE is too high, consider these powerful, free, and open-source building simulation tools:

: The industry-standard simulation engine (developed by the DOE).

Both software options offer a range of additional features, including:

: Discuss the use of Python scripts within IES VE to automate data harvesting and create custom reports in Word, Excel, or PDF formats, which significantly speeds up research documentation. Advanced Features for Better Results IES VE Tutorials - Episode 19 - VistaPro

: You cannot access the latest weather files, building regulations, or bug fixes provided in official patches.