Air fryers have become a quiet staple in many kitchens, often sitting within arm’s reach on the counter, ready to turn out quick meals with minimal effort. Their speed, versatility, and promise of lighter cooking have made them especially popular in busy households. But as familiar as these appliances have become, it’s easy to forget that they are still powerful electrical devices. One small habit at the end of the day—often overlooked—can make a meaningful difference in kitchen safety, especially overnight when no one is around to notice a problem.

To work efficiently, air fryers rely on high heat, internal fans, and electrical components that draw a significant amount of power. While manufacturers build them with safety systems in place, no appliance is completely immune to wear over time. Cords can loosen, internal parts can age, and minor electrical faults can develop unnoticed. In rare cases, residual heat or electrical activity may continue even when the appliance appears to be off, which is why experts emphasize mindful use beyond just cooking time.