All Services Engineering & Architecture Industrial Ventilation System Design Share This Copy Link Directly Copy $90/hr · Starting at $180 Professional Engineer, Mechanical. Over 30 years experience with the design and operation of industrial ventilation systems for the control of: dust, fumes and chemical vapors. Complete system designs offered. We also offer field evaluations, operator training, and retrofit recommendations for existing systems. Skills & Expertise Chemical EngineeringDesignEngineeringIndustrial DesignMechanical EngineeringSystems Engineering 0 Reviews This Freelancer has not received any feedback.