Heating & Air Conditioning Services

Available 24/7 630.318.1200

Your Assurance of Quality Since 1950

The Oldest Family Owned & Operated HVAC Company in the Fox Valley

St. Charles HVAC Services

More Than 60 Years of Experience

Our technicians at Charles McDuffee Co. Heating & Air Conditioning has been serving St. Charles and the surrounding area for more than 6 decades and over 3 generations. Throughout the years, we’ve learned one of the most important things about our customers: homeowners want fast and dependable service. They also value simplicity and durable and long-lasting results. The average person doesn’t want a heating and air problem to last longer than necessary. People want to make 1 phone call that will ensure their air or heating system will be fixed efficiently and quickly.

Charles McDuffee Co. Heating & Air Conditioning has passed down from father to son for 3 generations, and we haven’t forgotten our roots. We understand our customers require experienced HVAC service technicians who make the repair or installation easy, simple, and straightforward. Throughout the years, Charles McDuffee Co. Heating & Air Conditioning has created a reputation for getting the job done right the first time.

Our experienced technicians can help you with one of the following:

  • AC Upkeep & Maintenance
  • AC Recharge
  • AC Installation & Repair
  • Mini Split Installation & Repair
  • Heating Installation & Repair
  • Heating Upkeep & Maintenance

We are qualified to fix any brand and any kind of HVAC system, and we are certified to install products from American Standard and Lennox. Our technicians are also experienced in installing any type of ductless mini split system, including Mitsubishi-brand units.

Talk to Our Technicians Today

Because our company has lasted more than 60 years, each new generation has brought new technology and techniques that we can use to make your home as comfortable as possible. Our technicians provide swift service at any hour, night or weekends, for any emergency situation. We can also provide financing for budget-conscious customers and maintenance plans to ensure any new unit performs fantastically for years to come.

Charles McDuffee Co. Heating & Air Conditioning technicians are also North American Technician Excellence (NATE)-certified. They can be counted on for excellence in all aspects of technical expertise, operation, and product solution. Our company also maintains an A+ rating with the Better Business Bureau, meaning we can meet or exceed their standards of performance and integrity. If your air or heating system is broken, or you’re getting a new system installed, let us assist you. Charles McDuffee Co. Heating & Air Conditioning can make your life a little easier.

To schedule a service, contact us at (630) 318-1200 or fill out our simple online form. Talk to our St. Charles HVAC experts today.

We've Earned a Quality Reputation

  • Oldest HVAC Businessin the Fox Valley

  • Family Owned &Operated Since 1950

  • Factory CertifiedTechnicians

  • We're A+ BBB Rated

  • In the Businessfor 3 Generations

  • Licensed, Bonded,& Insured

Learn More About Us!