First, a thermocouple is not a flame rectifier like a modern flame sensor. A thermocouple actually generates a millivolt potential difference when it is heated by a flame—just to get that out of the way for any of you newer techs who are used to modern flame sensors. With higher efficiency gas-fired equipment being the […]

A good technician uses their senses before they use diagnostic tools. Is your suction line abnormally cold? Make sure the evaporator coil isn't frozen, and inspect for obvious airflow issues like a dirty filter or evaporator coil. Is your liquid line abnormally warm to the touch? It could be a dirty condenser, condensing fan issue, […]

When I was younger, I used to play and watch golf quite often. My father enjoys golf, and he would take me with him on many of his Saturday morning rounds. As a kid, it was all about DISTANCE. All I cared about was how far I could whack the ball with a driver—ESPECIALLY when […]