To prepare for a technical interview in the trades, work on three things in this order: your ability to narrate a diagnostic process out loud, your answers to the four questions that get asked in almost every entry-level interview, and basic tool fluency under...
What an HVAC technician does day to day is mostly diagnosis, not installation. A service technician typically runs four to eight calls a day, and the core of each one is reading a system’s symptoms, measuring what it is actually doing, working out why that...