Originally Posted by Chula Vista

After putting it off way too long I cleaned our window fans today. Found a bitching easy way to do it. Place the fan horizontally (with the motor side down) on top of a large pail or something similar - so it's up off of the ground.

Then spray the **** out of it with a hose from overhead (so the water can't get into the motor). Keeping it horizontal, shake it out and then stick it in the sun. A few hors later it'll be dry as a bone and you just have to pick off the smegma that's leftover of the rear fan guard. A broom works great for this.

Easy-peasy.