Ron's Northfield Refrigeration Heating & Air

Thank you for visiting the online home for MJ O'Connor, Inc. Our locally owned-family business is fully licensed, bonded, certified, registered and insured. We also offer free estimates. So give us a call today.MJ O'Connor Inc. is a mechanical contracting business, family owned and operated by Mike, Jan and Mick O'Connor. We serve both residential and commercial customers and specialize in all the aspects of the plumbing, heating/cooling and commercial refrigeration industry for the Austin community and surrounding area including northern Iowa.. Our dedicated and professional team takes pride in their work and guarantees quality workmanship. Give us a call today at (507) 433-5017.