Full range of industrial compressors, dryers, nitrogen generation, vacuums, blowers, filtration systems and rotating equipmen ... t rentals to keep your business running. Critical Rental Solutions provides a fleet of portable, electric-driven, centrifugal air compressors provide customers with unique, attractive solutions for emergency, planned and long-term air needs. These compressors have proven to afford significant fuel savings over small frame, diesel-driven units. They also eliminate EPA issues with truly oil-free air. The availability of single units with a wide range of capacity gives you a smaller on-site footprint. Units can be configured for different pressures and discharge temperatures. Critical Rental has the largest Centrifugal Fleet – Critical Rental Solutions has the largest, most diverse fleet of centrifugal rental compressors in the world. 100% Oil-free Air – CRS compressors meet ISO 8573-1 Class Zero oil-free air. ISO 8573-1 standards define air quality levels and methods for determining contaminants in the air system. Class Zero is the industry standard in industries that require 100 percent pure air. read more