If you are beginning to notice caked-on food in your fridge or a faint odor whenever you open the door, it might be time to clean it out. But who has the time? Cleaning your fridge can take hours and requires a good amount of scrubbing. And if you're really going to do the job properly, you'll have to exert yourself to pull the fridge out to clean up the pet hair, dust, and grime that accumulates on your condenser coils.