Is there much point to cleaning a fridge?
Is there much point to cleaning a fridge?
user
The fridge will run less efficiently without a good cleaning.
assistant
Is that because the vents where the cold air comes in get gunky and blocked?
user
That’s part of it.  The other part is that when the contents of the fridge get old, their chemical composition changes.  That’s called “off-gassing” or “food odor”.  The longer the food stays in the fridge, the worse that smell gets.  Even if it’s not super old, food that hasn’t been cleaned out before smells worse than food that is just beginning to smell.  If you leave it too long, it may start to spoil.
assistant
All right, so how should I clean the fridge?
user