V. M. O'Leary Sheet Metal & Heating is a family-owned and operated, third-generation HVAC company. We’ve proven our commitment to exceptional customer service and continue to provide an unmatched value of products and workmanship. We invite home and business owners in Cary, IL to reach out to us at (847) 462-7469 for a wide range of expertise, opportunities, and same-day service. From temperature control to indoor air quality and sheet metal fabrication, V. M. O'Leary Sheet Metal & Heating follows strenuous protocols to optimize the return from your investment.

Reliable HVAC Services in Cary, IL

As a Bryant Factory Authorized Dealer, V. M. O'Leary Sheet Metal & Heating keeps up with groundbreaking innovations in heating, cooling, and IAQ, bringing you outstanding levels of efficiency, comfort, and reliability. Our NATE-certified technicians are proficient in new system design/installation, replacement, retrofit, essential maintenance, and the repair of all makes and models.

When you need heating & cooling repair, maintenance, or installation done right, you can count on V. M. O'Leary Sheet Metal & Heating!

With severe local weather, it’s better to be safe than sorry. If you notice any concerns with your residential or commercial heating or air conditioning equipment, we’re happy to complete honest evaluation, resolve issues, and restore peak performance. Our availability includes 24/7 emergency response across Algonquin, Carpentersville, Cary, Crystal Lake, Lake In the Hills, and Dundee, IL.

We offer the following services in Cary, IL:

AC Repair in Cary, IL | AC Installation

AC Repair, AC Installation, Heating Service, Furnace Service & Furnace Repair in Cary, IL

Heating Service in Cary, IL | Heating Repair

Heating Service ∴ HVAC Repair ∴ Furnace Repair ∴ Furnace Service ∴ AC Installation ∴ Cary, IL

Joseph Anzalone

Always a great experience!!!!!!

David

O'Leary does excellent work, they're honest, and they don't stop until a job is done right. Highly recommend!

Don Cashmore

Danniell came over and did a great job and replacing my thermostat. I would highly recommend the service is there a timely efficient and well worth the charge. You will enjoy how they do business!

Katherine Tracy

I have used O’Leary for over 10 Years at every property I have owned. In the past 10 years I have purchased 2 furnaces and 1 AC unit that they installed and have maintained. They also have installed radient heated floors that are one of my favorite features of our home.

Ginger Falcone

Recently moved

Laurence Ensslin

when it comes to sheet metal, furnace / a/c installation these guys know there business. I have used them for years both commercial and residential. Vince O'Leary is the man to know when it comes to HVAC.

Rick Lavacchi

Quality installation at a fair price. Vince is very knowlegable and he stands behind their work. Great techs. Highly recommend.