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  • Plan and Spec for new and existing commercial and industrial applications.
  • Energy Audits
  • Sheet metal fabrication and installation
  • HVAC and refrigeration work
  • Process piping fabrication and installation
  • Certified MedGas installations
  • Coil LineAt Belleville Mechanical we use state of the art equipment to produce the highest quality products. Our fully automated fabrication and coil line equipment allows us to fabricate, high-pressure and low pressure, five-foot rectangular ducts quickly and easily in accordance to SMACNA standards. We use the most economical method for fabricating air-tight connections utilizing Transverse Duct Flange (TDF), Pittsburgh, and Snaplock seams.  Belleville Mechanical will fabricate duct work and custom fittings to your specifications.



    Belleville Mechanical Inc.
    2103 Mascoutah Avenue
    Belleville, IL  62220

    Tel: (618) 233-0970
    Fax: (618) 233-0081
    Toll Free: (866) 233-0973

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