John Duffy

Principal

What is so unique about Affiliated Engineers is the diversity of work. Whether research labs, test and production facilities, or utility operations, we have deep and first-hand exposure into the client’s operation. I have been fortunate to have seen such a variety.”

John Duffy is a Principal at AEI and has served as Project Manager on a variety of state-of-the-art buildings and central utility plant projects for research and development, higher education, healthcare, industrial, and local and national government clients.

John has completed large and complex designs for district heating and cooling plants, building energy management systems, and process instrumentation and control systems. He has experience in load calculations, hydraulic analysis, pipe stress analysis, and energy conservation payback analysis.

John also has provided oversight on a variety of state-of-the-art laboratory facilities with programs for Chemistry, Biology, Math and Physics, Marine Biology, Psychology, Chemical, Electrical, and Mechanical Engineering. These facilities have included spaces for BSL-2 and BSL-3 labs, animal holding, cleanrooms, electron microscopes, imaging equipment, laser labs, and hazardous production labs.

John has extensive experience in the evaluation and design of mechanical, electrical, and piping systems from the conceptual planning phase, through construction, to the operational stage. This experience includes detailed technical analysis, client communication, and design coordination within multi-discipline design teams.

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Certifications

PE, LEED AP