Bikini Bottom Twitter

A fan is still convection, it's just forced convection. You're thinking only of ambient convection as convection. And air fryer designs vary, there are some that are constructed the way most fan ovens are, where is just in the middle of the back, some where it's on the top blowing down. The former would be indistinguishable from a traditional oven, except that the smaller space makes it preheat easier