retrofit existing systemsporlan filter drier

Service Area

Our service area covers the Greater St. Louis Metropolitan area in Missouri and Illinois, including:

  • St. Louis, MO
  • Springfield, MO
  • Jefferson City, MO
  • Columbia, MO
  • St. Charles, MO
  • Kansas City, MO
  • Wentzville, MO
  • Arnold, MO
  • Fenton, MO
  • Festus, MO
  • Chesterfield, MO
  • Edwardsville, IL
  • Belleville, IL
  • Springfield, IL


  • Union Shop Associations
  • 24 HR Hazwoper
  • Certified Welding
  • CFC EPA Certification
  • IIAR
  • Mechanical Contractors Association
  • Mechanical Service Contractors of America
  • OSHA Training
  • RETA
  • RSES
  • United Association Piperfitters

Specializing in:

  • Additions, Retrofitting Existing Systems
  • Alternative Refrigerants
  • Ammonia
  • Complete System Design
  • Halocarbon
  • Industrial HVAC
  • New Systems for Existing Locations
  • Service and Maintenance of Existing Systems
  • System Replacements
  • Authorized Vilter Distributor


  • St. Louis (City)
    License No. C-116
  • St. Louis (County)
    License No. SCC-X3119
  • St. Charles (County)
    License No. M2742A
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Nation-Wide Refrigeration, Inc.
225 Millwell Drive, Maryland Heights, MO 63043
314-291-5540, 800-952-3685

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Contact Information

Nation-Wide Refrigeration, Inc.

225 Millwell Drive
Maryland Heights, MO 63043


Business Hours:
Monday-Friday: 7:30 a.m.-4 p.m.

Emergency Response Services:
24 Hours a Day, 7 Days a Week