Hours: M-F 7:30AM – 4PM

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

(847) 462-7469

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Your Trusted Metal and Heating Engineers

V. M. O'Leary Sheet Metal & Heating

For over 75 years, V. M. O'Leary Sheet Metal & Heating has been providing top-notch HVAC services to residential and commercial clients throughout Algonquin, Carpentersville, Cary, Crystal Lake, Lake In the Hills, and Dundee, IL. As a family-owned and operated business since 1946, we take pride in delivering exceptional workmanship, reliable solutions, and outstanding customer service. Our team of skilled technicians is dedicated to ensuring your comfort and satisfaction, whether you need routine maintenance, emergency repairs, or new system installations.

Your Trusted Metal and Heating Engineers

V. M. O'Leary Sheet Metal & Heating

For over 75 years, V. M. O'Leary Sheet Metal & Heating has been providing top-notch HVAC services to residential and commercial clients throughout Algonquin, Carpentersville, Cary, Crystal Lake, Lake In the Hills, and Dundee, IL. As a family-owned and operated business since 1946, we take pride in delivering exceptional workmanship, reliable solutions, and outstanding customer service. Our team of skilled technicians is dedicated to ensuring your comfort and satisfaction, whether you need routine maintenance, emergency repairs, or new system installations.

Expert Solutions for a Comfortable Home

At V.M. O’Leary Sheet Metal & Heating, our family-owned business has been delivering expert sheet metal and HVAC services for over 75 years. We’re dedicated to providing top-notch solutions that meet your unique needs, from precision fabrication to expert installation, repair, and maintenance. Browse our services below to learn how we can help you breathe easier, stay warmer, and live more comfortably all year round.

The Importance of Regular HVAC Maintenance

Regular maintenance is key to extending the life of your HVAC system, improving energy efficiency, and avoiding costly breakdowns. Our planned service agreements offer a range of benefits, including extended system lifespan, improved efficiency, and reduced risk of breakdowns. By enrolling in our program, you’ll have peace of mind knowing your system is maintained by trusted professionals.


Improved Energy Efficiency:
Regular maintenance helps your system operate at peak efficiency, reducing energy consumption and lowering your utility bills.


Extended Equipment Life:
By catching and addressing minor issues before they escalate, maintenance can significantly extend the life of your HVAC equipment.


Enhanced Indoor Air Quality:
Our team is dedicated to providing exceptional customer service, from your initial consultation to the completion of your project.

Why Choose V. M. O'Leary Sheet Metal & Heating?

When you choose V. M. O'Leary Sheet Metal & Heating for your HVAC and sheet metal needs, you can expect a level of service that is unmatched in the industry. Our team of highly trained and experienced technicians has the knowledge and skills to tackle even the most complex projects, ensuring that your installation, repair, or maintenance work is completed to the highest standards.

Expertise: Our technicians are highly trained and experienced, ensuring that your project is completed to the highest standards.

Quality: We use only the best materials and equipment to ensure the durability and performance of our work.

Customer Service: Our team is dedicated to providing exceptional customer service, from your initial consultation to the completion of your project.

The V. M. O'Leary Sheet Metal & Heating Difference
Military Discount
10% Off up to $200
Plus
Free 12-Month Service Agreement
With new system purchase
$25 OFF
Any Service Calls
*not applicable with cleaning or maintenance program
Free Estimates
On New Installations & Replacement Equipment

Custom Sheet Metal Fabrication

In addition to our comprehensive HVAC services, V. M. O'Leary Sheet Metal & Heating specializes in custom sheet metal fabrication. Our skilled craftsmen can create precise, durable components for a variety of applications, including ductwork, flashing, and architectural elements. With our state-of-the-art equipment and attention to detail, we deliver high-quality results that meet your exact specifications.

The Importance of Regular HVAC Maintenance

Our team of skilled technicians is well-versed in a wide range of HVAC services. From routine maintenance and repairs to complex installations and replacements, we have the expertise to handle any heating and cooling need. Whether you’re looking to optimize your system’s performance, improve indoor air quality, or simply stay comfortable in your home, our technicians are dedicated to providing top-notch service and ensuring your complete satisfaction.


Installation:
We offer expert installation of new heating and cooling systems, ensuring optimal performance and energy efficiency.

Heating Installation

Cooling Installation


Repair:
Our technicians are trained to diagnose and repair all makes and models of HVAC equipment, getting your system back up and running quickly.

Heating Repair

Cooling Repair


Maintenance:
Regular maintenance is crucial for extending the life of your HVAC system and preventing costly breakdowns.

Heating Maintenance

Cooling Maintenance

Furnace Replacement, Heating Service, Furnace Repair, Heating Repair & Heater Installation Cary, IL, Dundee, IL, Carpentersville, IL, Crystal Lake, IL, Algonquin, IL & Lake in the Hills, IL

Boiler Replacement Cary, IL | Heating Repair Dundee, IL | HVAC Company Carpentersville, IL

Duct RepairHVAC ContractorBoiler RepairFurnace CompanyHVAC Company ∴ Carpentersville, IL ∴ Dundee, IL ∴ Cary, IL

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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Boiler Services

Boiler Maintenance

Wauconda, IL

Island Lake, IL

Huntley, IL

Lake Zurich, IL

Fox River Grove, IL

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Barrington, IL