McHenry Heating & Air Conditioning is the area's leading air conditioning and furnace installation company. If your system is broken beyond repair or you are simply looking to upgrade your current system, we can quickly install a new heating and air conditioning system to ensure you receive the maximum comfort in your home.McHenry Heating & Air Conditioning, has a state-of-the-art dispatching system so you can expect same day service from of our expert technicians to diagnose and repair your issue the same day.

Your local One Hour Heating & Air Conditioning has been serving the Round Lake area since 2015. We promise prompt and professional service to all of our customers. "Always on time, or you don’t pay a dime."™ We look forward to solving all your heating and air conditioning repair, installation and service needs. Call us now to schedule an appointment.