Mechanical Contractors
The #1 Choice for Residential, Industrial, Commercial & Municipal Projects Since 1926!
Est. 1926
What R.J. O'neil
has to offer
The Mechanical Equipment in your buildings is often the most expensive and the greatest energy consuming part of your operations, yet it is mostly out of sight and out of mind until something goes wrong and the sewers are backing up in your office, or water is spraying all over your computer equipment, or your heat goes off on Christmas Eve, or your air conditioning goes down two hours before a very important client meeting. These things happen.
At times like these how important is it to have someone you know, someone who you have an established relationship with, someone you trust, who knows your building, who knows your equipment, who knows your personnel, who is only a phone call away. Someone who will come 24 hrs a day ,7 days a week 365 days a year, someone who has the resources to get a supply house opened up on New Years day, Someone who can bring their own crane, or backhoe, or certified welders to your site at midnight if need be, someone who will do whatever it takes to get you back in operation when things break down.
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What Our Customers Think
We Service and Install All Major Brands
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.
Plumbing Services
- Backflow Testing & Installation
- Jet Rodding
- Sewer Camera Inspection
- Drain Rodding / Drain Cleaning
- Ejector / Sump Pumps
- Plumbing Fixture Installs
- Water Heater Repair & Installation
- Storage Tanks
- Water Main Break
- Water Piping Repair & Installation
- Custom Maintenance Agreements
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!
HVAC-R SErvices
- Commercial Refrigeration
- Chillers
- Boilers
- Rooftop Units
- PTAC/VTAC Units
- Mini Splits
- Make Up Air Units
- Air Handlers
- Duct Cleaning
- Gas Piping Repair & Installation
- Custom Maintenance Agreements
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.