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The Ultimate Mine Ventilation Design Solution.

Ventsim™ is an underground mine ventilation simulation software package designed to model and simulate ventilation, airflows, pressures, heat, gases, financials, radon, fire, and many other types of ventilation data from a model of tunnels and shafts.

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Training, Seminars & Trade Events

September 15-16, 2015
Perth Training Course - Beginner/Intermediate Training Course
November 04-06, 2015
Reno Training Course - Beginner/Intermediate/Advanced Training Course
December 14-16, 2015
Chile Training Course - Beginner/Intermediate/Advanced Training Course using Ventsim™ 4.0.


June 19, 2015
New Ventsim Has Arrived! Ventsim™ 4 is our exciting new upgrade to Ventsim, and includes many new features and improvements.
June 19, 2015
Pumpsim™ Now Available! Pumpsim™ is the brand new software package from Chasm Consulting, designed for simulating liquid/slurry flow in pump and pipe systems.