Mechanical Contractors and Heat Exchanger Specialists

Phone: 905-528-7977 | Fax: 905-528-6777 | 163 Niagara St., Hamilton, ON L8L 6A8 |

Office Hours: Monday-Friday: 8 a.m. to 4 p.m.    Note: 24-hour emergency service available.

Mechanical Contracting and Heat Exchanger Service in Southern Ontario

Working in the industrial, commercial and institutional (ICI) sectors for over 45 years, Union Boiler Company of Hamilton is well positioned to meet your needs. Our welders are certified by the TSSA, the jurisdictional authority and Ontario authorized inspection agency. We are pleased to offer 24-hour service to handle your emergency situations.

Our vast range of expertise covers:

  • Welding - TSSA accredited
  • Mechanical contracting
  • Fabrication
  • Boiler maintenance and installation
  • Millwrighting
  • Process piping
  • Natural gas contracting
  • Heat exchangers and condensers
  • HVAC
  • Repair and alteration of boilers, pressure vessels, piping and Category A, B, C, D, E, F & H type fittings at shop and field sites to CSA B51
  • Fabrication and assembly of power piping at shop and field sites to ASME B31.1 & CSA B51
  • Fabrication and assembly of process piping at shop and field sites to ASME B31.3 & CSA B51
  • Ontario registered fuel safety contractor, O. Reg. #212/01, 217/01
  • Cooling tower replacements
  • Combustion and controls

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