How often should you clean refrigerator coils?
Once a year.
How to do it
Unplug the fridge, take off the kick plate or pull it out, and vacuum the coils with a brush attachment.
Why it matters
Dusty coils make the compressor run longer and hotter.
Recommended interval: once a year, per GE Appliances.
General guidance for a typical home; the manufacturer's instructions come first.