I remember a story I heard when I was a kid about a man who comes upon another man obviously searching for something under the light from a lamppost on the street corner. He asks the obvious question, “Lose something?” The second man looks up and replies, “Yup. I lost my keys.” The first many asks, “Where did you lose them?” The second man says, … Continue reading No Problem Here Under the Lampost!
There is a problem solving technique called synectics. It refers to problem solving by analogy. It is a technique that can be amazingly effective when trying to visualize a complex situation such as the air moving through a pipe or duct. In my classes, I try to get the participants to imagine themselves as an air molecule being tossed around by a fan and thrown … Continue reading Imagine Yourself as an Air Molecule
I have been disturbed to find that many HRV/ERVs are installed without any concern about balancing the system. (Click on HRV Survey for a CMHC study of system installations.) When I first got started with these things, it was a mandatory step in the process. They also had to be ducted independently from the HVAC system ductwork. That is seemingly a rare installation these days. … Continue reading Unbalanced HRV/ERVs
