Arthur A Bell
Arthur A. Bell, Jr., PE (Monaca, PA) is a registered professional engineer with more than 28 years' experience designing HVAC systems. He is the author of HVAC Design Portfolio.
W. Larsen Angel, P.E., LEED-AP (Elkridge, MD)/b> is a principal in the MEP consulting engineering firm of Green Building Energy Engineers. He is the author of HVAC Design Sourcebook.
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