Oil-Lubricated Air Compressors

An oil-lubricated air compressor uses oil in the compression chamber to lubricate moving parts, seal the chamber, and dissipate heat. This design allows for higher pressure capabilities, greater efficiency, and a longer operational lifespan compared to many oil-free alternatives. The oil is then separated from the air before it exits the compressor.

The primary difference is the presence of oil in the compression chamber. Oil-lubricated models are generally more durable, efficient, and have a lower initial cost. Oil-free models are essential for applications requiring 100% pure, contaminant-free air, such as in the food and beverage or pharmaceutical industries, but often come at a higher cost.

The best oil-powered compressor matches your operational profile. Rotary screw models like our L Series are ideal for continuous industrial use. Reciprocating compressors are excellent for intermittent applications, while rotary vane models like the Hydrovane series are known for their extremely long service life and quiet operation. Evaluating your demand is key.

Regular maintenance is crucial for longevity. This typically includes checking oil levels daily, and changing the oil and filters every 2,000 to 8,000 operating hours, depending on the model and lubricant type, such as our AEON 9000SP. Refer to your specific model's manual for the recommended service schedule to ensure peak performance and warranty compliance.

Our available Platinum 10-Year Extended Warranty is one of the industry's best, providing coverage for defects in materials or workmanship of the critical airend parts for a full decade. It often includes 5 years of coverage on other major components as well. To maintain coverage, the unit must be serviced on schedule by an authorized distributor.

Many of our modern oil-lubricated compressors, particularly the LRS and Hydrovane series, are designed for quiet operation with noise levels as low as 63-65 dBA. Their sound-insulating enclosures and compact footprints often make them suitable for installation at the point-of-use, eliminating the need for a separate, dedicated compressor room.

Comp-Air Ohio supplies Gardner Denver and CompAir lubricated rotary screw compressors and Hydrovane rotary vane compressors, with AEON and Summit Industrial lubricants and filtration supplies for scheduled service.