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...
View this new sensation in retrofit HVAC duct renovation, brought to us courtesy of Joe Gorman, President of JP Gorman in Rocklin, California. Two 2×4’s are skillfully screwed together with top quality brass zip screws to exert the exact amount of pressure...
Alan Fisher’s Magic Flue If this flue worked, it would be a miracle! This classic picture makes anyone that sees it wonder how the occupants of this California home survived. A flexible flue was crimped and shoved into an existing flue in a manner appearing to...
Fan Opening – Alan Fischer This is the best photo we’ve ever received revealing the carpenter’s engineering capabilities when it comes to sizing the opening in the plywood below an upflow furnace. Basically the carpenter has no idea of the needed...
