About Advantage Air

Advantage Air was founded in 1999 and is currently owned by Josh and Jessica Hendricks, a local husband-and-wife team carrying on the company’s 26-year reputation for honest, reliable comfort. Advantage Air proudly serves both homeowners and businesses across St. Louis, St. Charles, and Jefferson County. From preventative HVAC maintenance and fast repairs to complete residential and commercial system installations, our Bryant Certified technicians handle projects of any size with the same free, no-pressure estimates and do-it-right care we’re known for.

MORE ABOUT US

Need HVAC Service? Give us a call at (636) 230-5572!

We Love Hearing From Our Customers!

If you've had us work on your HVAC system, we would love to hear from you, too.

Sarah

B |

February 3, 2026

“Our heater started acting up late last night.We called first thing this morning and they came out the same day and fixed it.Great service really appreciate the help!!”

Charity

A |

January 17, 2026

“I woke up Sunday morning to my house temperature at 55 degrees and immediately started calling HVAC companies. After contacting about 10 places, Advantage Air, L.L.C. was the only one that could come out by 10 a.m. Bobby was absolutely amazing. By the time he began servicing the furnace, the temperature in my house had dropped to 52 degrees, but he didn’t rush the job. He stayed to make sure the thermostat climbed back up to at least 56 before leaving. He also took the time to patiently answer all of my technical questions about furnaces, especially my own system. Excellent service from start to finish. Thank you—I’ll definitely be recommending Advantage Air to everyone in my village.”