65+ Years of HVAC Service In St. Louis
If you get the "OH-NO!" when you turn on the AC...
Contact AL-DON and experience the best! Stay cool and comfortable with AL-DON Air Conditioning Specialists, the ultimate HVAC contractor in St. Louis.
- Top-notch service and installations by trained, qualified technicians. Your AC will be singing smoothly in no time!
- SEER2 energy calculator is super-efficient, telling you exactly how much you’ll save on utility bills.
- If you settle or less, you get less, everyday.
![Air Conditioning 1 IMG 9799 scaled](https://56w61d.p3cdn1.secureserver.net/wp-content/uploads/2023/10/IMG_9799-scaled.jpg?time=1722057316)
![Air Conditioning 2 Aldon Heating Air Conditioning 01 1 3](https://56w61d.p3cdn1.secureserver.net/wp-content/uploads/2023/10/Aldon-Heating-Air-Conditioning-01-1-3-1024x1024.jpg)
Technicians who are the experts
Always striving to offer the best there is
At AL-DON, we understand the frustration of dealing with AC issues. That’s why our dedicated technicians are here to solve your cooling problems efficiently. With rigorous training and a passion for excellence, they’re equipped to tackle any AC-related issue, ensuring your comfort year-round. Experience the difference with AL-DON.
Our Customers Say It Best on Google
Hector showed up on time. He was very courteous, professional. Diagnosed the problem and fixed it in a timely manner! Strongly recommend AL-DON for ...Read More »
2 weeks ago via Google
levi robison
We called Al-Don on the recommendation of a family member and we were not disappointed! They were incredibly helpful and easy to work with. ...Read More »
6 months ago via Google
Maggie Barnidge
I had a heating issue with the cold- the entire Aldon team was awesome . They were very responsive, knowledgeable, respectful. Bottom line...Read More »
6 months ago via Google
Kathy Obrien
Awesome company. Great prices and great staff. Couldn't be happier with their work. Strongly recommend!
2 months ago via Google
Austin VonDras
This company is amazing! Our commercial AC system was not working and it was 82 degrees in the building. They were able to get out...Read More »
a year ago via Google
Danielle Hayden