Fridge compressors are a natural starting point for air compressor builds, like this fire extinguisher based design, or this high-pressure tandem compressor.

However, if your fridge contents are stored chaotically, it could make your compressor work harder and cause things to spoil faster than expected.

Okay, so it has a start helper, but probably they thought, it's a tiny compressor, who needs filtering on stop.

Probably one of the most reliable devices you will have in your house is the refrigerator, as its compressor has the minimum of moving parts and carries its own lubrication. It’s not uncommon… ...