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Lea Heating & Air Conditioning

The Lea Heating and Air Conditioning Company is a family owned and operated business that has been providing exceptional HVAC services in the Fox Valley and McHenry county area for nearly two decades. With a strong commitment to customer satisfaction, we have a solid reputation for competitive prices, expert work and A+ customer service. On a mission to provide all of our business and residential neighbors with 24/7 indoor comfort, we offer 24/7 emergency services for those sudden breakdowns. We maintain 22 radio-dispatched trucks that are fully stocked for a quick repair.

The Pros at Lea Heating and Air Conditioning Company

With our heating and air conditioning company, you only get the experts. In addition to having many years of experience, our service technicians and installers are certified and factory trained on a regular basis. It’s the perfect formula for success. With continual training, our service technicians come to the table with current knowledge of the latest techniques and tools in the industry. It also gives them an opportunity to further their skills. As a result, our service technicians are expert diagnosticians and can work on any make or model. You’ll also find that our technicians implement our principle of integrity. If a repair just doesn’t make economic sense, they will be honest with you and let you know. They will also take the time to review the disadvantages and advantages of going ahead with the repair. In the end, you can make an informed decision.

Whether you need a replacement or an upgrade to your existing system, you’ll find that we offer a wide choice in types of heating and cooling systems. We carry and install ductless systems, hybrid systems, furnaces, heat pumps, air conditioners and split systems. You can be sure that we will offer you high quality brands that come with excellent warranties.

Proud to be a Bryant Dealer

As a professional heating and air conditioning company, we are proud to be a factory authorized Bryant dealer. Not many HVAC contractors qualify under Bryant’s strict criteria. HVAC contractors must have a long record of A+ customer satisfaction, carry required business licenses and insurance, engage in best practices and deliver high quality work. Once accepted, HVAC contractors must maintain high levels of performance. As a Bryant dealer, we are able to bring our valued customer cutting-edge HVAC products that are energy efficient and provide exceptional indoor comfort.

Don't Take Our Word For It! Here's What Our Customers Are Saying

  • Lea Heating & Air Conditioning
    Called yesterday and left a message he called the next day and he arrived prompt and finished quickly.
    - Cindy B, Dundee
  • Lea Heating & Air Conditioning
    Great Service.
    - Kevin M, Elgin
  • Lea Heating & Air Conditioning
    Always courteous and friendly and explains things.
    - Lynda, Y, Crystal Lake
  • Lea Heating & Air Conditioning
    We used Lea for 19 years to service our house, we trust them and their work we would never use anyone else Dwain is great.
    - Connie B, Elgin


Bryant Medal of Excellence Better Business Bureau


NATE Certified Puron