This is a ducted window unit that was the subject of an air balance project recently observed in Western Kentucky. It was submitted by an anonymous contractor.
Larry Smith of Aire Rite in Southern California submitted this picture of a kitchen exhaust fan that was just cleaned the day before! Isn’t it amazing how dirty it became overnight? Notice the ten gallons of grease in the bucket on the left that the fan extracted from...
Alan Fisher of Fisher Air in Brea, California submitted this photo of the month of a Five Filter “Bank” taken by his son Scott on a recent service call. He opened the filter access door on this upflow unit and discovered their customer had been hoarding filters. In an...
This month’s photo of the month winner is Andrew John of John’s Refrigeration in Arizona. Notice this 10” return duct is pulling air directly from an attic. Also understand that attic temperatures in Arizona regularly exceed 160F. That’s 300 CFM x 80 degree Delta T x...
