Commercial Mechanical Contractor
Quality HVAC, plumbing and mechanical services For Your Commercial Property
Est. 1926
An Unparalleled Choice
We provide a robust range of mechanical services for our Municipal Clients. From rebuilding lift stations, to replacing clarifier mechanisms, to replacing blowers and diffusers, to maintaining bar screens, sluice gates, and odor control systems. We can make tedious grout and concrete repairs around digesters and handrails.
Installation of chemical feed systems, gas scrubbers, compressors and burners. We provide installation and maintenance of all types of piping and sheet metal within a municipal facility. We provide direct installation and service for manufacturers such as Walker Process and Parkson.
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What Our Customers Think
Commercial Services
Plumbing
R.J. O’Neil Plumbing Services has been in business since 1926, providing quality plumbing and piping services to homeowners and businesses in the area. We’re licensed, bonded, and insured, and our team of experienced professionals is dedicated to providing the best possible service. We’re here to help you with everything from fixing a leaky faucet to installing a new water heater, and we’re always available to answer any questions you may have. We know how important it is to have reliable plumbing, and we’re committed to providing our customers with the highest quality service possible. Contact us today to schedule a free consultation, and let us show you why R.J. O’Neil Plumbing Services is the best choice for all your plumbing needs.
HVAC-R
R.J. O’Neil is a company that provides HVAC services to the Chicagoland area. HVAC-R stands for heating, ventilation, air conditioning, and refrigeration. These services are important because they help to keep your home or office comfortable year-round. The ventilation system helps to circulate air throughout your home or office, and it also helps to remove pollutants and improve indoor air quality. R.J. O’Neil has a team of skilled technicians who can help you with all of your HVAC needs. Whether you need a new installation or a routine maintenance check, we can help you get the job done right!
Maintenance Plans
R.J. O’Neil is dedicated to serving the Chicagoland area. Our quality work ethic and long-running history of professional skill is shown throughout our four generations of family owned business.