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Dan Fortier

The Principal of Fortier Engineering, Dan Fortier, P.E., LEED AP, C.M.V.P., is a Registered Professional Engineer in Pennsylvania, Ohio, and West Virginia. He is LEED Accredited, and certified as a Measurement and Verification Professional (CMVP) by the Association of Energy Engineers (AEE). He has a Bachelors Degree in Civil Engineering from Penn State University, and a Masters Degree in Mechanical Engineering from West Virginia University. His Masters thesis was Optimization of Duct Design Using Genetic Algorithms.

Dan Fortier has over 30 years of mechanical systems experience, with much of that experience focused in the retrofit HVAC systems for existing buildings.


Joe Lewis

Joe Lewis, LEED AP, has a Bachelors Degree in Physics from Allegheny College in Meadville, PA. He performs HVAC, Plumbing, Fire Protection systems design, and measurement & verification data collection/analysis. He is also our lead modeler for LEED and EPACT modeling with HAP and Energy Plus.


Joanna Bill

Joanna Bill has a Masters Degree in Electronics and Computer Engineering from Technical University of Koszalin, Poland. She performs HVAC, Plumbing, Fire Sprinkler systems design, and measurement & verification data collection/analysis. She is also the the in-house programmer for our automated M&V offering and has completed several Excel/VBA based programs tailored to individual energy savings and system simulation project needs.


Greshaud Allen

Greshaud, P.E., LEED AP BD+C, has a BS in Mechanical Engineering from West Virginia University. He performs mechanical systems design and energy modeling using HAP, eQuest, Energy Plus, and google sketch-up.



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Pittsburgh, PA 15217