'HPAC On The Air' this month welcomes longtime Greenheck Fan Corp. exec Mike Wolf, PE, the 2023-24 president of the Air Movement and Control Association (AMCA) International, where he will also serve as the group's 2024-25 chairman. Now in his 39th year at Greenheck, Wolf today is the manufacturer's director of regulatory business development. He speaks with us here about a subject near and dear to him: product certification. Along the way, Wolf and host Rob McManamy also reflect on our industry's amazing evolution over the last four decades...