When the weather gets warmer, many of us introduce fans into our homes.

After all, when a heatwave strikes, we need all the help we can get to cool us down. But, even though they’re super handy, it turns out you may have been using them incorrectly for quite some time.

According to a TikTok user called sophmac26, you’ve probably been facing it the wrong way. She shared a viral hack on social media showing how best to use them, and it’s left people mindblown.

Explaining how to cool down your…