While giving a recent seminar, I commented to the audience how great the breakfast was. There were many choices of food and drink available to satisfy different tastes. After making that comment I asked a simple question; “You all got to choose what you ate and what you drank this morning but which one of you got to choose the air you breathed?” 

 A manufacturer of ductwork cleaning equipment is reminding districts to consider the condition of their HVAC systems and see if cleaning is needed.