MacNamara Fuels specializes in the design, installation, servicing & inspection of fuel storage tanks and fuel systems for generators, fire pumps, & boilers.

MacNamara Fuels is recognized as an industry leader. We are experts in emergency generators, the Technical Standards & Safety Authority (TSSA), and code and regulation requirements including CSA B-139 & CSA B-149.
Our Trusted


At MacNamara Fuels we take pride knowing that the strategic partners we work with are experts in their industry.
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Our Services Include:
  • Review of emergency generators, fire pumps, & boilers.
  • Design and install of new diesel systems for emergency generators, fire pumps, & boilers.
  • Upgrade existing diesel systems to meet current CSA B-139 code.
  • Variance applications with the Technical Standards & Safety Authority (TSSA).
  • Commissioning & inspection of fuel oil systems.
  • Comprehensive distributors inspection reports as required for fuel delivery.
  • Engineering services.
A Word From Our


Throughout the fuel system upgrades MacNamara Fuels staff/technicians were very professional and respectful in and around the work place. On top of which Shawn MacNamara was accurate in pricing and there were no change orders or surprises.

– James Haggarty, Manager Development, Scotiabank

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  • Certificate of Authorization from the Professional Engineers of Ontario
  • Registered TSSA Heating Contractor


  • Oil Burner technician Class One: OBT-1
  • Petroleum Mechanic Class Two: PM2
  • Petroleum Mechanic Class Three: PM3


  • The President, Shawn MacNamara, sits on the CSA B-139, CSA B-138, CSA B-140 & CSA JB-130 boards and has over 20 years experience.
  • Lead engineer has over 10 years experience in the field.