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 Sheet Metal & Heating epitomizes excellence in McHenry, IL. As a third-generation, family-owned and operated HVAC contractor since [year], we’ve built a reputation for reliability at affordable prices. We invite you to reach out to us at (847) 462-7469 for heating and cooling system design/installation, replacement, retrofit, planned maintenance, repair, air quality accessories, sheet metal fabrication, and so much more.

McHenry, IL HVAC Services

We specialize in both residential and commercial needs, implementing innovations and strategies to maximize the efficiency, longevity, and overall performance of vital equipment. As a Bryant Factory Authorized Dealer, we set the bar higher.

Call our team for your heating & cooling repairs, maintenance & installations!

At V. M. O'Leary Sheet Metal & Heating, we’re familiar with the demands of local weather. Any interruption in heating/cooling system performance requires immediate attention. For any make, model, or style of HVAC system, we provide same day service and swift repair. Combining extensively trained technicians with tools of the trade, advanced diagnostic technology, and a full inventory of genuine manufacturer’s replacement parts, we’re prepared for the job and typically restore proper operation right on the spot. V. M. O'Leary Sheet Metal & Heating is your trusted network of support, around-the-clock, including 24 emergency service across Algonquin, Carpentersville, Cary, Crystal Lake, Lake In the Hills, and Dundee, IL.

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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.

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McHenry, IL