Hours: M-F 7:30AM – 4PM

Proudly Serving McHenry County, Lake County & Northwest Cook County, IL

(847) 462-7469

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V.M. O’Leary Receives
MOE (Medal of Excellence) Award

Bryant Medal of Excellence Award Winners

At V.M. O’Leary, we are proud to announce that we have received the Medal of Excellence Award!  This is a special award that’s given to top dealers in various regions.  We are thrilled that in 2018, we were a Tier 1 Medal of Excellence winner for our region.

We would like to take the time to thank not only our dedicated technicians and staff, but our wonderful customers as well for helping to make this award possible.

Emergency HVAC Service 24/7 Support

We understand that HVAC issues can arise unexpectedly, which is why we offer emergency service to our customers in McHenry County, Lake County & Northwest Cook County, IL. Our technicians are available 24/7 to address urgent heating and cooling problems, ensuring your comfort and safety.

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Proudly Serving McHenry County, Lake County & Northwest Cook County, IL
  • Algonquin, IL

  • Barrington, IL

  • Carpentersville, IL

  • Cary, IL

  • Crystal Lake, IL

  • Fox River Grove, IL

  • Huntley, IL

  • Island Lake, IL

  • Lake in the Woods, IL

  • Lake Zurich, IL

  • McHenry, IL

  • Wauconda, IL

  • West Dundee, IL

  • and more!

Award Winning Service

Our dedication to excellence has earned us a reputation as an award-winning service provider in McHenry County, Lake County & Northwest Cook County, IL. We attribute our success to our focus on customer satisfaction, our highly skilled technicians, and our use of state-of-the-art equipment and techniques.

Hear From Our Community

Wauconda, IL

Huntley, IL

McHenry, IL

Barrington, IL

Lake Zurich, IL

Fox River Grove, IL

Island Lake, IL