Best stationary air compressor/Best premium air compressor: Quincy: QT-54: 60 gallon: Oil-lubricated : 175: $2,100: ... parts are coated with special chemicals designed to reduce friction.

Lubrication: Oil-lubricated air compressors use oil that lubricates moving parts and acts as sealant and coolant. In contrast, oil-free air compressors use no oil in the compression chamber.