WHAT CAN WE DO FOR YOU?

HVAC-R SERVICES

From industrial high-pressure steam boilers, to walk in freezers, we provide the commercial heating & air equipment. Including piping, ductwork, and the expertise to service and install your system.

PLUMBING & PIPING SERVICES

Backed by a team of trained mechanical technicians, we have the skills & resources to handle everyday commercial projects or emergencies, as well as any unique industrial process piping systems.

MAINTENANCE PACKAGES

R.J. O’Neil offers completely comprehensive commercial or industrial maintenance programs. All with the goal of assisting in keeping all of your equipment running both safely and efficiently.

PROVIDING GREAT SERVICE STARTS WITH HIRING GREAT PEOPLE.

PROVIDING GREAT SERVICE STARTS WITH HIRING GREAT PEOPLE.
R.J. O’Neil strives to continue to build a culture rooted in team-oriented collaboration and can-do attitudes. It is these core values that lay the groundwork for a level of professionalism and excellence that consistently exceeds our customer’s high expectations.

LOOKING FOR A GREAT CAREER OPPORTUNITY? CLICK THE BUTTON BELOW TO LEARN MORE ABOUT JOINING OUR TEAM.

Increase reliability, reduce energy costs, and avoid PROBLEMS BEFORE THEY impact your operations WITH OUR MAINTENANCE PACKAGES.

Most people see the advantages in performing regular oil changes, checking all the car’s fluids, and performing regular maintenance and inspections. It’s an easy way to extend the life of your car and prolong the reliability of such a valuable asset. How much more important should it then be to take care of the equipment that your business depends on for comfort and productivity in your workplace?

Preventative Maintenance saves your business time, money, and DISRUPTIONS TO WORK SCHEDULES.

PROVIDING MECHANICAL SERVICES TO THE
CHICAGOLAND AREA SINCE 1926.

We provide quality HVAC-R, plumbing, and mechanical services to the municipal, industrial, commercial, and residential markets. Our can-do attitude, long history of service, and proven process for customer satisfaction builds lasting relationships with our clients making R.J. O’Neil an unparalleled choice for all of your mechanical service needs.

want to get in touch? call us at 630.906.1300

All Content © R.J. O'Neil Inc. 2017 All Rights Reserved.