MANY YEARS AGO, I paid good money out of my own pocket to learn how to design a duct system. I won’t say to whom I paid this money, because I got ripped off. What I “learned” was how to find .1 on a ...

A recently granted patent (Publication Number: US11885526B2) discloses a unique blower design for heating, ventilation, and air conditioning systems. The blower features a blower wheel with ...