Most fridges make some kind of background noise—a hum, a soft whoosh, the occasional click. You stop noticing it…until one day you do. If the hum seems louder, longer, or more constant, your fridge ...

Appliances can be deceptively low-maintenance. Take your refrigerator, for example. It's easy to assume it's quietly doing its job in the background, on autopilot. And, to be fair, it usually is. But ...