RJ O’Neil Brings Plumbing & HVAC Services to Your Home

January 22, 2025

NEW RESIDENTIAL SERVICE by RJ O'NEIL

For nearly 100 years, RJ O’Neil has been a trusted name in plumbing and HVAC, serving commercial and industrial clients with unmatched expertise. Now, we’re excited to bring that same dedication to homeowners with our new residential services.


Why RJ O’Neil?

  • Proven Experience: Decades of industry knowledge ensure reliable, high-quality service.
  • Luxaire Certified Comfort Experts: We offer top-notch HVAC systems for year-round comfort.
  • Customer-Focused Care: Your satisfaction is our priority.


Services We Offer

  • Plumbing: Repairs, replacements, and installations for water heaters, faucets, toilets, and more.
  • HVAC: Heating, cooling, and ventilation solutions tailored to your needs.
  • Emergency Support: 24/7 service when you need it most.


Flexible Financing Available

We offer financing options to make home upgrades and repairs more accessible. Whether it’s a new HVAC system or urgent repairs, we’re here to help.


Get in Touch

Ready to upgrade your home’s comfort? Contact RJ O’Neil today to schedule your appointment and experience the trusted service we’ve built over nearly a century.

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May 7, 2026
Montgomery, Illinois — April 2026 — RJ O’Neil, a trusted provider of heating, cooling, plumbing, and home services throughout the Chicagoland area, is proud to announce the addition of Novo Water systems to its growing portfolio of home solutions. Through this partnership, RJ O’Neil will now offer and professionally install a full line of high-performance water treatment systems, including water softeners, filtration systems, reverse osmosis drinking water solutions, and whole-home water conditioning. Novo Water systems are known for their professional-grade performance, advanced filtration technology, and long-standing reputation among plumbing professionals across North America. Designed to be installed by trained experts, these systems are tailored to each home based on water quality and usage needs . “Water quality impacts everything—from how your appliances perform to how your skin and hair feel,” said Jessica Medrano, CEO/President. at RJ O’Neil. “By partnering with Novo Water, we’re bringing our customers a smarter, more reliable way to improve their water at every touchpoint.” With this new offering, RJ O’Neil customers can expect: Customized water testing and system recommendations Professional installation by licensed technicians Long-term performance backed by strong warranties Solutions for both city and well water systems The addition of Novo Water aligns with RJ O’Neil’s commitment to delivering complete home comfort and efficiency solutions under one trusted name. For more information or to schedule a water consultation, visit RJ O’Neil at rjoneil.com. About RJ O’Neil RJ O’Neil is a full-service mechanical contractor providing HVAC-R, plumbing, service, and maintenance solutions. Headquartered in Montgomery, Illinois, the company has served clients across the Midwest for 100 years, delivering industry-leading craftsmanship, innovative solutions, and dependable service while fostering long-term, trusted relationships.
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