Mechanical Contractors and Heat Exchanger Specialists

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

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

Union Boiler Company of Hamilton – Committed to Excellence Since 1966

Union Boiler Company of Hamilton Ltd. has developed into a stable and reputable company with an excellent reputation for honesty, service and quality since our founding in 1966. With an exceptionally trained and experienced staff, our family owned and operated business serves industrial, commercial and institutional sectors. We are here when you need us with 24-hour emergency service.


Our business began as a boiler repair company and has expanded into:

  • Welding - TSSA accredited
  • Mechanical contracting
  • Fabrication
  • Boiler maintenance and installation

  • Millwrighting
  • Process piping
  • Natural gas contracting
  • Heat exchangers and condensers

  • Cooling tower replacement
  • Combustion and controls
  • HVAC

When you work with Union Boiler Company, you enjoy timely solutions performed in a personalized, professional manner. Schedule our service today and reduce your downtime!

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