I hear many techs complain about the finicky and ineffective nature of electronic leak detection—so much so that some claim that it is a waste of time altogether. We recently located a leak inside the fins of a ductless evaporator coil—pinpointed to an exact spot—using an electronic leak detector. For demonstration purposes, we took that […]

I've recently seen heated debates in different HVAC groups about whether it is okay to recharge a residential HVAC system with R22 without locating and repairing the leaks. I've had residential customers call me and complain about other companies telling them they must replace their system because it leaks. They've also stated that it is […]

Let’s face it, refrigerant leak detection and prevention will always be important in our trade. Whether we’re dealing with leaks from corrosion or poor connections, we will always run into them in some form. We’ve touched on refrigerant leak prevention and detection quite a lot at HVAC School. Many of our articles, podcasts, and videos […]