So, What Is the Contactor on AC and How Does It Work?
If your air conditioner isn't kicking on but you hear a faint hum coming from the outdoor unit, you're probably wondering what is the contactor on ac systems and whether it's the reason you're currently sweating through your shirt. It's one of those parts that most homeowners never think about until the house starts getting stuffy, but it's actually the "bouncer" of your HVAC system—it decides when the power gets to go in and when it stays out. ...