Day: August 22, 2025

When people think about air conditioners, furnaces, or heat pumps, they picture big equipment moving air and keeping homes comfortable. What they don’t often realize is that hidden inside those systems is a small but essential part—the alternating current contactor. This device might not look like much, but without it, your HVAC system simply wouldn’t work. Let’s take a closer look at what it does, why it matters, and how