January 30, 2020 Joe has gained experience in the building design industry working on a broad range of projects including large commercial HVAC design and commissioning to small-scale owner directed mechanical system investigations. Mr. Arnstein is a critical thinker and enjoys jumping into the mix on projects with complex stakeholder organization that require defining expectations through effective communication. Joe is always learning and continuously refines his analytical skills to provide the most effective HVAC solutions for every unique situation.