One fan of the band took to Reddit and asked ... their sister Margaret pointed to the AC/DC symbol on her sewing machine’s AC adapter and suggested it could be a good name.

Oftentimes, it looks like a reverse symbol ... the fan's direction in the warmer months, it'll circulate air, cooling you down and in turn reducing your desire to crank up the AC.

You might also find our oven temperature conversion table handy. This symbol represents an oven fan with its own heating element. Heat comes from a circular element surrounding the fan at the back of ...