Quality Control Systems, Inc.

Mechanical Contractors


Commercial ▪ Educational ▪ Governmental ▪ Health Care ▪ Industrial ▪ Specialized Facilities

QCS is ready to handle all your HVAC needs.

Services Include

  • HVAC industrial and institutional piping systems including but not limited to
    • Certified medical gas
    • Compressed air
    • Condenser water
    • Dual temperatures
    • Geothermal
    • Hydronic heating and cooling
    • Laboratory gas
    • Natural gas
    • Radiant heating
    • Refrigeration
    • Specialize product and fluid handling
    • Steam and steam condensate
  • Equipment installation and replacement
    • Air handling units, indoor
    • Computer room climate control units
    • Condensing units and compressors
    • Cooling tower and chillers
    • Custom roof top and air handling units
    • Heat recovery
    • Humidification and dehumidification systems
    • Make up air systems
    • Package rooftop and air handling units
    • Pumps, heat exchangers and accessories
    • Steam and hot water boilers
  • Building Information Modeling (BIM) and Auto CAD 3-D design and drafting
  • In-house pre fabrication
  • Ventilation, temperature controls, building automation and test and balance

Our service area
  • Chicagoland and Northwest Indiana

  • Private jobs
  • Public jobs

QCS is signatory with
  • Certified welders and pipefitters
    • Local 501
    • Local 597

Commitment to safety

  • Every supervisor and each employee in the field receives ongoing regular safety training.
  • Staff includes OSHA 30 hour certified personnel.

Members of
  • Certified Welding Bureau
  • MCA
  • MCAA
  • NFPA