QCS has been providing mechanical contracting services throughout the Chicagoland area since 1994. Operating as a union contractor, we focus primarily on commercial and institutional mechanical construction.
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Scope of Services Include:
- Boilers
- Chillers
- Compressors
- Cooling Towers
- Heat Exchangers
- Pumps
- Heating
- Air Conditioning
- Process Piping
- Ventilation
- Maintenance
- Refrigeration
- Service
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