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From large multi-phased construction projects to minor emergency maintenance repairs, our team of certified pipe fitters, plumbers, steam-fitters, welders and fabricators have completed a range of mechanical projects. We have the experience and know-how to install chillers and cooling towers; boilers; heat recovery, paint, stainless steel and food grade piping systems as well as the various aspect of building services installations.

We are a TSSA-certified contractor. We hold certificates for Boiler, Pressure Vessel and Pressure Piping; Power Piping; Process Piping; and Refrigeration Piping. We are also registered by the TSSA in Heating Fuels Systems and Petroleum Systems.

Learn more about our mechanical and pipefitting experience and expertise.

We offer many mechanical services including:

  • Backflow Services
  • BIM
  • Boilers
  • Building Services
  • Central Utility Systems
  • Chillers & Cooling Towers
  • Chiller Maintenance & Support
  • Combustion Maintenance & Support
  • Compressors
  • Design Build
  • Digital Pipe Location
  • Drain Camera Inspection
  • Food Grade Piping
  • Heat Recovery Systems
  • Heating, Cooling & Ventilation
  • Paint Systems
  • Petroleum Piping
  • Pipe Fabrication Shop - Yellow Label Certified
  • Piping Systems
  • Plumbing
  • Pneumatic Tubing & Controls
  • Power Flushing
  • Pre-fabricated Skid Assemblies
  • Oil Burner Services
  • Solar Thermal Systems
  • Stainless Steel Piping
  • Water Treatment Systems
  • Modular Piping

Industries served

Roberts Onsite is one of the largest, most-respected multi-trade contractors in Ontario. We have extensive experience working in multiple sectors including:

  • Automotive
  • Commercial
  • Energy
  • Food & Beverage
  • Green
  • Industrial
  • Institutional
  • Manufacturing & Process

Associations

Roberts Onsite is an active contributor to the mechanical industry. We are involved with a variety of associations and have attained a number of accreditations.

Mechanical

TSSA
MCAO Logo
MCA-KW logo
GVCA Logo
College of Trades
Local Trades

Safety

COR Logo
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