Compressed Air Service Department

As your facility becomes more automated and your equipment more sophisticated, you need a compressed air service provider with experience.

At John Henry Foster, we have been providing unparalleled air compressor sales and service since 1944. With extensive knowledge of compressed air technology, state-of-the-art diagnostic equipment and on-going training, our factory-certified technicians will keep your system operating at peak performance. Offering unmatched experience and the largest service department in the Midwest, we make maintaining your equipment easier than anyone in the industry.

Why JHF?

  • Service on all brands and types of air compressors
  • Pre-scheduled visits for your convenience.
  • Time and material or flat rate billing available.
  • Remote technician locations, with fully stocked vans reducing response time.
  • 24-hour service and/or parts
  • Rental/leasing options available

State-Of-The-Art Diagnostics

  • Shock pulse monitors/Vibration analysis
  • Ultrasonic leak detection
  • Air system audits
  • Oil sample analysis

Field Service and Repair

  • Factory Trained Technicians
  • Fully Stocked Service Vehicles
  • Air Dryer Service
  • Preventive Maintenance Agreements
  • 24-Hour Service and/or Parts Availability
  • 24-Hour Rental Compressor Availability
  • Service on all brands and types of compressors

Factory Trained Service Technicians

  • Experienced veterans of the compressed air industry
  • Extensive factory training
  • Trained to service all brands and all types of compressors
  • Refrigeration system certified
  • Safety first – OSHA, MSHA, Electrical Arc Flash, Hazmat
  • Professional, courteous, attention to detail
  • Remote service – reducing response time – with technicians located in: 
    • Jefferson City, MO;
    • Cape Girardeau, MO;  
    • Mt. Vernon, IL;
    • Decatur, IL;  
    • Quincy, IL
  • Dispatched directly from their homes to arrive at your facility sooner

Call your local compressed air expert today!