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Sean Duffy, PE is currently a Senior Mechanical Engineer at Elevar Design Group, specializing in HVAC engineering for various types of buildings. Prior to this role, Sean Duffy worked as a Mechanical Engineer at Fosdick and Hilmer, SHP Leading Design, Process Plus, HDR, Jacobs Engineering, Fosdick and Hilmer Consulting Engineers, and Fata Hunter, Inc, gaining experience in HVAC design and engineering for healthcare facilities, schools, pharmaceutical and chemical manufacturing facilities, and steel and aluminum mill industries. Sean Duffy holds a BS in Mechanical Engineering from the University of Cincinnati.