Locally Owned · Serving the City of Parks

Air Conditioning Fenton, MO Cool, Dry, and Comfortable.

In the Meramec valley, comfort isn’t just temperature, it’s humidity, and Fenton homes feel both. Thomas Hoffmann, Master HVAC Engineer with 30+ years in St. Louis, leads the team that handles the whole picture: AC and furnace repair, full replacements, maintenance, and the air quality work that keeps a house feeling right, not just reading right on the thermostat.

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

Request Service in Fenton

Tell us what’s off, temperature, humidity, noise, or all three, and we’ll call back within 30 minutes during business hours.

Indoor air quality and humidity control for Fenton, MO homes, Thomas Hoffmann Air Conditioning & Heating

Beyond the Thermostat

In the Meramec Valley, Humidity Is Half the Battle.

Fenton sits low along the river, and its homes, many with finished basements, feel it: muggy lower levels in summer, dry static air in winter, and AC systems working overtime to wring moisture out of the air. We treat humidity and air quality as part of the job, not an upsell, from right-sizing equipment so it dehumidifies properly to filtration and ventilation where the house needs it. Tom Hoffmann owns the company, and in the City of Parks, comfort indoors should match the quality of life outside.

Local

Owned Here, Not Leased

Tom Hoffmann’s company, Tom Hoffmann’s standards. No holding group, no rotating brand names.

30+

Years of Valley Weather

Three decades of St. Louis summers and winters, and the systems that survive both.

Upfront

Solutions, Not Upsells

Written pricing first, and recommendations sized to the actual problem, never to a sales target.

24/7

On Call, Always

A live St. Louis dispatcher answers every hour of every day, holidays included.

Urgent? Call Now.

Fenton system down? Don’t sweat it out or bundle up.

A failed AC in valley humidity or a dead furnace in a cold snap both get the same response: a live person on the phone and a technician dispatched as fast as the schedule allows, any hour of the year.

24/7 Emergency HVAC Service in Fenton Answered live around the clock, every day of the year.
Call (314) 471-7625

Ask Around Fenton

4.9 ★ on Google, Job After Job.

Pat Keith T.
10 hours 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.
Kay H.
15 hours 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!
Becky W.
2 days 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 days 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.
1 week 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.
2 weeks ago
great people
Response from the owner:Thank you, Chris! We appreciate your kind words about our team.
Christine M.
2 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
2 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.
2 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.
2 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.
2 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.
2 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.
2 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.
3 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.
3 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.
3 weeks 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!
George B.
3 weeks ago
We live in Dardenne Prairie, and want to thank Tom for his excellent work in assessing our A/C unit that stopped working over Labor Day weekend where the outdoor temps were 100+. Tom not only had the exact components on-hand but also offered other future solutions to make our home more comfortable. Very personable and professional! Thanks Tom!
Response from the owner:Thank you, George! We appreciate your kind words and are glad to hear that Tom provided excellent service during such a hot weekend. Your satisfaction is important to us, and we're here to help with any future needs!
Katherine G.
3 weeks ago
Nick came out to our house in Valley Park. Super nice and helpful. Got our AC back to running!
Response from the owner:Thank you, Katherine! We're glad to hear that Nick was able to help get your AC running again. Your satisfaction is important to us!
ladodger6
3 weeks ago
Nick is a very knowledgeable HVAC professional. He quickly and thoroughly inspected my system. Highly recommend Thomas Hoffman AC.
Response from the owner:Thank you! We appreciate your kind words about Nick and are glad to hear you had a positive experience with Thomas Hoffman AC. Your recommendation means a lot to us!
Louise P.
4 weeks ago
My air conditioner went out, my son called, Nick was able to come out same day, very pleasant and professional.
Response from the owner:Thank you, Louise! We're glad to hear that Nick was able to assist you promptly and provide a pleasant experience. We appreciate your kind words!
Chris
4 weeks ago
Saturday. Labor Day Weekend. 100 degrees for the 4th day in a row and counting. A.C. goes out. No hvac companies well return calls and their phonebots say they're not available until Tuesday or Wednesday. Nick with Hoffmann answer's first ring and shows up in a couple hours, make short work of it, house is cooling nicely. Thanks Nick and Company.
Response from the owner:Thanks, Chris! We're glad Nick was able to help you out quickly, especially during such a hot weekend. We appreciate your feedback and are here for any future needs.
Susan S.
4 weeks ago
I was very pleased with Nicks presentation.
Response from the owner:Thank you, Susan! We're glad to hear you Nick represented our company in such an impactful way. Your feedback means a lot to us!
diana T.
4 weeks ago
Tom fixed my air conditioner well, from Tom Hoffman Air conditioning in Kirkwood, Missouri.
Response from the owner:Thank you, Diana! We're glad to hear that Tom did a great job fixing your air conditioner. We appreciate your feedback!
Don G.
4 weeks ago
Nick did a great job at everything!
Response from the owner:Thank you, Don! We're glad to hear that you had a great experience and that Nick made such a positive impact. We appreciate your feedback!
Hank K.
4 weeks ago
Fast, friendly, professional service.
Response from the owner:Thank you, Hank, for your wonderful feedback; we're glad you enjoyed the fast, friendly, and professional service, and we'll be sure to keep up the great work!

Real Questions

Fenton HVAC Questions

Do you offer emergency HVAC service in Fenton?

Yes, around the clock. Call (314) 471-7625 any hour, any day, and a live dispatcher takes the call and gets a technician dispatched.

Why does my finished basement feel muggy even with the AC running?

Common in the Meramec valley. Below-grade rooms collect moisture, and an oversized or short-cycling AC cools the air without running long enough to dehumidify it. The fix ranges from airflow and drainage corrections to right-sized equipment or dedicated dehumidification. We diagnose which one your house actually needs before recommending anything.

Can better filtration help with allergies and dust?

Often, yes. Upgraded filtration and proper ventilation reduce the dust, pollen, and humidity swings that make indoor air feel stale. We’ll assess the system you have first; many improvements work with existing equipment rather than requiring new gear.

Which brands do you service?

Trane, Carrier, Lennox, Rheem, Goodman, and the rest of the major names. New installations are Trane systems through our authorized dealership, with factory support behind them.

What areas near Fenton do you serve?

Valley Park, Sunset Hills, Crestwood, High Ridge, Arnold, and the greater St. Louis metro on both sides of the Meramec.

How long does a system replacement take?

Most are done in a single day, scheduled in advance, with the new system running before we leave.

Fenton, Let’s Get Your Air Right.

Temperature, humidity, and air quality handled by one locally owned company with 30+ years of St. Louis experience and a phone that’s answered at every hour.