Locally Owned · Minutes Away in Des Peres

Frontenac HVAC — Repair, Replace, Done.

Master HVAC Engineer Thomas Hoffmann leads a local team based minutes away in Des Peres — backed by 30+ years of St. Louis experience. AC repair, furnace repair, full system replacement, and maintenance for Frontenac homes and businesses.

4.9 Google Reviews
30+ yrs experience
24/7 phones answered

Schedule Service in Frontenac

Tell us what’s happening. We call back within 30 minutes during business hours — same-day service when possible.

HVAC repair technician at work — Thomas Hoffmann Air Conditioning & Heating, serving Frontenac MO

Why Frontenac Trusts Us

A Real Local HVAC Company — Not a Franchise in Disguise.

Several national HVAC franchises operate in St. Louis under local-sounding names. We’re the real thing: Tom Hoffmann owns the business, our shop is minutes away in Des Peres, and from Frontenac’s larger custom homes to the businesses along the Lindbergh Boulevard corridor, we size every job to the building — not to a sales quota.

Near

Based in Des Peres

Our home base is minutes from Frontenac — close enough that calls here get some of our fastest response times.

30+

Years of Experience

Three decades servicing St. Louis homes and businesses. Master engineering experience on every job.

4.9

★ on Google

773+ St. Louis homeowners have rated us. Read what they say about showing up on time and fixing it right.

24/7

Real People Answering

A real St. Louis dispatcher picks up the phone — nights, weekends, and holidays included.

HVAC technician working on equipment — Thomas Hoffmann Air Conditioning & Heating, Frontenac

How It Works

Three Steps to Comfortable.

No call centers, no scripted upsells, no surprise pricing. Just trained St. Louis technicians showing up and fixing what’s broken.

1

Call or Schedule

Reach a real St. Louis dispatcher in under a minute. Tell us what’s wrong; we’ll book a slot — same-day when we can.

~ 2 minutes
2

Diagnose & Estimate

A trained tech (or Tom himself) gives you an honest read on what’s wrong, why, and what it’ll cost. Written before any work.

~ 30 minutes
3

Fix It Right

We do the work in front of you. No surprise charges, no upsells. If something else turns up, you approve before we touch it.

Same visit, when possible

What Your Frontenac Neighbors Say

4.9 ★ on Google — Hundreds of Reviews.

Brandon B.
1 day ago
Zach was incredibly friendly, professional, and easy to work with. They provided high-quality work and clearly take pride in what they do. The entire experience was smooth and pleasant from start to finish. It’s refreshing to work with people who are not only skilled at their job but also genuinely kind and helpful. I highly recommend them!
john J.
1 day ago
Got a checkup on the hottest day of the year and everything is working fine. Great service.
Response from the owner:John, thank you so much for the nice review! We are so happy to hear you had a positive experience.
Brian B.
2 days ago
Tech was on time and stayed till they were finished. He was very thorough listen to our concerns and had open and honest suggestions all while having casual conversation and making me and my wife feel comfortable.
Response from the owner:Thank you for recognizing our team's punctuality and dedication!
Premchand T.
4 days ago
Excellent service
Dale C.
5 days ago
I love dealing with this company. Our tech, Zach, is professional and friendly. I love the level of communication from Thomas Hoffman: from the text/email reminders to schedule an appointment to the update of the appointment itself. Highly recommend this company!!
Response from the owner:Thank you, Dale, for your wonderful feedback! We're glad Zach could assist you effectively, and we appreciate your kind words about our communication and service.
Thomas E.
6 days ago
Very fast response and professional service.
Kay H.
1 week ago
Zach came around 9:00 the early part of my window. It was my annual checkup and he said everything looked good. I will be moving out of state soon but appreciate your past service.
Response from the owner:Thank you so much for the great review, Kay. We truly appreciate your business!
William H.
1 week ago
Zach was great. He helped me better understand my systems and their operating systems.
Response from the owner:Thank you for the 5-star review, William. We are happy to hear Zach took good care of you.
Thomas E.
1 week ago
They installed our system and came out to check on a concern promptly and didn’t charge us.
Pat Keith T.
1 week ago
Zachary is great! We purchase Hoffmans maintenance plan - they come when needed
Response from the owner:Thank you, Pat, for your kind words about Giovanni; we appreciate your feedback and are glad to hear that he made a positive impression.
Beth R.
1 week ago
Competence and knowledge have been my experience.
Response from the owner:Thank you, Beth, for sharing your experience; it means a lot to us!
Becky W.
2 weeks ago
I called on a Monday morning as air conditioning was blowing warm air. They were able to come to my house very early afternoon and fixed the problem. Would highly recommend and will use them again.
Response from the owner:Becky thank you so much for your great review. We appreciate your business and your kind words.
Frank P.
2 weeks ago
From the phone to the completion of the job everyone is so polite and informative. I had Giovani as our representative and he was very informative and professional, and knew exactly what the problem was. Thanks so much.
Response from the owner:Thank you for the kind review, Frank! We appreciate you and your business.
Adi S.
3 weeks ago
Our AC condenser and coil were swapped out. The company did a very good job with staff that were most professional. Would happily recommend their company and keep them for all my annual maintenance work. I stress their staff is very knowledgeable and professional.
Response from the owner:Thank you, Adi! We're glad to hear you had a positive experience with our team and appreciate your recommendation. Your kind words about our knowledgeable and professional staff mean a lot to us.
Chris S.
3 weeks ago
great people
Response from the owner:Thank you, Chris! We appreciate your kind words about our team.
Christine M.
3 weeks ago
Needed help after hours and they called me back right away! Super helpful and were able to fit me in when I was in a bind during the STL heat wave.
Response from the owner:Thank you, Christine! We're glad we could assist you promptly during the heat wave. Your satisfaction is our priority, and we appreciate your kind words!
ruter
3 weeks ago
Exceptional Service from Start to Finish!I recently hired Thomas Hoffmann Air Conditioning & Heating to replace my complete HVAC system, and I could not be happier with the experience. The installation crew—Zachary and Giovani—was absolutely top-notch. They were professional, courteous, and incredibly meticulous with their work
Response from the owner:Thank you, Ruter! We're so glad to hear you had an exceptional experience with our team, and we'll definitely pass on your kind words to Zachary and Giovani. Your satisfaction means a lot to us!
Richard H.
3 weeks ago
Great people & work
Response from the owner:Thank you, Richard! We appreciate your kind words about our team and the work we do. Your support means a lot to us!
Joe B.
3 weeks ago
Thomas Hoffman Air Conditioning and Heating did a fantastic Job for my company. They promptly responded to an emergency situation that occurred over a holiday weekend. They expedited the delivery of replacement parts Free piece of equipment that had broken down, and installed it immediately after receiving it. They were prompt, professional, and friendly. I would highly recommend them to anyone in need of HVAC services.
Response from the owner:Thank you, Joe! We appreciate your kind words about our team's promptness and professionalism, especially during an emergency. It's great to know that Thomas Hoffman Air Conditioning and Heating met your needs so effectively. Your recommendation means a lot to us!
Alex C.
3 weeks ago
Nick was at my house in Kirkwood within hours of my call and was able to get me back up and running on a super hot day. Very pleased with the service and will be calling them for my HVAC needs in the future.
Response from the owner:Thank you, Alex! We're glad to hear that Nick provided prompt and effective service, especially on such a hot day. We look forward to assisting you with your HVAC needs in the future!
Theresa S.
4 weeks ago
Very punctual. Answers all my questions and concerns. Already scheduled for next service!
Response from the owner:Thank you, Theresa! We're glad to hear you appreciate having the same technician and the communication about your units. Your feedback on our customer service means a lot to us!
Lynn C.
4 weeks ago
Thomas was great! He arrived on time and fixed my problem quickly. I live in Clayton. I highly recommend Thomas Hoffmann Air Conditioning and Heating!
Response from the owner:Thank you, Lynn! We're glad to hear that Thomas provided prompt and effective service. Your recommendation means a lot to us!
steve B.
4 weeks ago
Fantastic service and friendly. We had an AC unit issue and they responded quickly and made the required repairs.
Response from the owner:Thank you, Steve! We're glad to hear you had a great experience with our service and that we could assist you promptly with your AC unit issue. Your feedback means a lot to us!
Matthew John D.
4 weeks ago
The truth of their proffesionalism forces you to Trust their expertise and a determined focus on customer satisfaction was unfortunately a rare experience in my years of east coast building maintenance.
Response from the owner:Thank you, Matthew, for recognizing our professionalism and commitment to customer satisfaction. We're glad to hear that your experience stood out after your years in building maintenance. Your support means a lot to us!
Kevin E.
1 month ago
Nick demostrated excllent customer service,professionalism, and technician.
Response from the owner:Thank you, Kevin! We're glad to hear that Nick provided excellent customer service and professionalism. Your feedback is greatly appreciated!

Common Questions

Frontenac HVAC Questions, Answered

How fast can you get to a home in Frontenac?

Our shop is in Des Peres, just minutes from Frontenac. We answer calls 24/7 — for urgent heating or cooling failures, call (314) 471-7625 and we’ll dispatch a technician as quickly as possible.

Do you work on larger custom homes?

Yes. Many Frontenac homes have multiple zones, multiple systems, or higher-end equipment, and sizing matters more as square footage grows. A Master HVAC Engineer leads our team, so complex layouts and multi-system homes are diagnosed and sized correctly the first time.

Do you service commercial spaces in Frontenac?

Yes. We service commercial HVAC systems for businesses in Frontenac, including offices and retail along the Lindbergh Boulevard corridor, and can schedule work around your business hours whenever possible.

Do you service all HVAC brands?

Yes. We repair and maintain all major brands including Trane, Carrier, Lennox, Rheem, Goodman, and more. As an authorized Trane dealer, we also offer new Trane installations with full manufacturer support.

Should I repair or replace my system?

We’ll give you an honest answer based on the age of your system, the cost of the repair, and its efficiency. A general rule: if the repair costs more than half the price of a new system and the unit is over 10 years old, replacement usually makes more financial sense.

What areas near Frontenac do you serve?

We serve Frontenac and the surrounding communities including Ladue, Huntleigh, Town and Country, Des Peres, Creve Coeur, Kirkwood, and the greater St. Louis metro area.

Ready to Schedule? We’re Minutes from Frontenac.

Locally owned, based in nearby Des Peres, and backed by 30+ years of St. Louis experience. Deal with real people — every time you call.