Shades of MartinSr's washing machine wars. I spent half the day (the part where I was NOT watching the final NASCAR race of the year) cleaning the fins and etc under the fridge.
It is astonishing how much *&%$#*! there was under there and how much quieter the fridge runs now! Likely gonna save me a bunch in power costs, too, 'cause it'll be so much more efficient!
Took 2 hours with compressed air, vacuum cleaner, back to air blow, vacuum up more junk, repeat. Gotta make a note to do it once a year instead of about 5-6 years since I did it last!