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WELCOME TO R.J. O’NEIL

R.J. O’Neil is a full-service mechanical contracting firm specializing in heating, air conditioning, refrigeration, process piping and plumbing. We offer complete mechanical services including systems design and layout, installation, maintenance and emergency repair. We also offer comprehensive maintenance programs for our commercial and industrial customers. Read More…

PAST PROJECTS

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R.J. O’Neil Inc. is a leader in the mechanical services industry, with vast experiences in a variety of projects including, HVAC, Refrigeration, Commercial Plumbing, Water and Waste Water Construction and Commercial and Residential Service.Click here to view a sample of our past projects

SERVICES

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Our services range from heating to cooling and everything in between. R.J. O’Neil is the full-service mechanical contractors for you.CLICK HERE…
  • Heating
  • Air-Conditioning
  • Plumbing
  • Refrigeration
  • Back flow Prevention
  • Metal Fabrication
  • Sewer Service

SERVICE REQUEST

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