Kristin L.
4/10/2019
Needed to have some heating work done at my place of business, after our heating unit stopped blowing warm air. It was quickly becoming an issue for my employees, and if we didn't get it fixed...
R J O'Neil
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1125 S Lake St
Montgomery, IL 60538
Established in 1926, RJ O'Neil is a woman-minority owned business based in Montgomery, IL, specializing in HVAC-R, plumbing, and mechanical services for municipal, industrial, commercial, and residential sectors. The company prides itself on its commitment to high-quality service, extensive experience, and strong partnerships, ensuring customer satisfaction and on-time project completion.
RJ O'Neil promotes a positive work culture that emphasizes teamwork and supports employees in balancing work and personal life. Their approach fosters lasting relationships with clients and subcontractors, ensuring consistent communication and a dedicated project manager for every project.
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3.53 reviews
Jon D.
7/22/2025
As a fellow small business owner, I feel obligated to warn others about our experience with this HVAC/R contractor. Over more than a decade of managing vendors, this has been hands down the most...
Rollins H.
6/6/2017
R.J O'Neal paid a visit to my house to fix my air conditioning and that only took a few minutes and now it's working so I have A lot of positive things to say about this company I would...
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