About Air Excellence Heating and Cooling

With over 30 years of experience, you can count on Air Excellence to provide top quality service, every time. 

Why Choose Us?

  • Quality service and honest, hardworking staff
  • Knowledgeable and highly trained technicians
  • Upfront flat rate and affordable pricing
  • Financing available for services and installations
  • Second opinions provided
  • Residential service for apartments and homes
  • References and contact numbers of previous clients available upon request
  • Strong communication skills so that you get exactly what you want each time
  • Specialized handling of residential unit repair, service, and replacement
  • EPA Certified, 410A Certified, and Propane Certified technicians

With our complete range of heating & cooling services, you can maintain optimal indoor air quality and comfort with us. No matter what problem you face, big or small, we are fully trained, certified, and have the tools needed to handle the situation. With us on your side, you will always have reliable heating & cooling in your home.

Our Experience

Air Excellence Heating & Cooling is one of the leading service providers for your HVAC needs serving the greater St. Louis area. Our company is a local, woman-owned business devoted to serving residential clients throughout the St. Louis area. Our dedication to providing quality service comes all the way from the top, with owner Bette Derges, and it is exemplified by each employee who understands that our customers’ needs are our highest priority.

We have over 30 years of experience with heating and cooling in St. Louis. With our experience and expertise, you can be sure that your residential heating and cooling is in good hands. With our fully licensed, bonded, and insured services, you can rest assured that your job will be completed right and you will be protected.

they diagnosed the problem immediately. We worked together to figure out what replacement unit would be the best for us. Stephen was great in keeping in touch and keeping the process moving forward. He was also very helpful in communicating with my insurance people so we had a very favorable outcome. I appreciated the responsiveness in always responding to my calls and questions promptly. Wally worked fast and efficiently, maneuvering in very tight and uncomfortable spaces. They were professional, courteous, and did a great job in a timely manner for a very fair price. I would not hesitate to recommend them.
dixy forster
dixy forster
17:18 27 Nov 17
Even though it was after hours someone in the office answered and sent someone out within 30 minutes! Gus was wonderful totally professional and knowledgeable. He was able to fix the problem for tonight and gave me some great options for future needs. He didn't even complain about having to crawl into a hot attic! Would highly recommend
marcy voltos
marcy voltos
17:24 27 Nov 17
We have used Service Experts for many, many years. Even though, right now, we are having some problems with our AC unit, they have been here each and every time and fixed it and got us up and going again within no time at all. They are still figuring out the problem, but they are replacing things along the way and not giving up. So what more could we ask for. They are courteous, professional, very neat and are just in general great people to have in your house working on your AC. today Jimmy was here. What a nice guy!!! Always a smile! THANKS Service Experts!! Thanks for keeping us going!
17:08 27 Nov 17
Air Excellence was a great place to work. The main focus of air excellence is to offer the best service possible to every customer. It is important to air excellence that each customer feels that they understand their equipment and how to operate it. And also that each customer feels that they have paid an appropriate price for their service call and installation. We strive to earn a customer's good opinion.
Julia Derges
Julia Derges
02:38 17 Nov 17
Great service and wonderful unit.really helped my family. We have four children all under the age of 7 and had no ac Gus came in took a look and gave me a quote. Helped us with financing and was in the following day to do a complete replacement of our unit. His crew was here from 11am until 9pm making sure our family had ac. So happy I went with my gut and chose this wonderful company.
jacob martin
jacob martin
17:20 27 Nov 17

Ready to give us a try?

Contact us today to schedule maintenance or installation!

Proudly Serving

West St. Louis County, St. Charles County, & Surrounding Areas




Monday-Friday: 8am to 5pm

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