HVAC Contactor Explained - What It Is
Demystifying the HVAC Contactor: Your System's Unsung Hero (and What It Actually Does!) Ever flipped your thermostat to "cool," heard a satisfying click, but then nothing? No hum from the outdoor unit, no refreshing breeze? Or perhaps your AC seems to be running all the time, even when it shouldn't be. If you've experienced any of these head-scratching moments, there's a good chance you might have a problem with a tiny, yet incredibly crucial, component in your HVAC system: the contactor. ...