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.

john J.
2 days 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.
Brad G.
3 days ago
Outstanding...Giovani was superb..need him as a regular for our regular maintenance!
Response from the owner:Thank you, Brad! We're glad to hear you had a great experience with Giovani. We appreciate your feedback and will certainly keep your request in mind for your regular maintenance.
Jennifer H.
3 days ago
Service Technician was very nice and friendly.
Response from the owner:Thank you so much for the amazing review, Jennifer. We truly appreciate it!
goostorm
4 days ago
Quick service, solved the problem. Thanks!
Response from the owner:Thank you! We're glad to hear that our quick service helped solve your problem. We appreciate your feedback!
James H.
5 days ago
The repairman arrived at around 8:30 AM and spent about three hours working on the unit, which I purchased from them less than a year ago. At the end of three hours, he informed me that my unit was not working because I had the wrong filter in it. I raised a question about why it took three hours to replace the filter. I can't really explain his response because it was in technical jargon that I did not understand well enough to know what other questions to ask. The unit has a two year parts and labor warranty and a 10 year manufacturer parts warranty. unfortunately, I did not get the benefits of those warranties because, as the technician put it, the onus for using a less effective filter, rests with the customers. Then, he went on to describe to me the best filter choice, something the average customer would not automatically know. My greatest disappointment was being denied the benefits of my warranties. On the plus side, once management became aware of my dissatisfaction, they reached out to me with an apology for any role they played in my dissatisfaction and, as a show of their good intentions, they shredded my check, subsequently, not charging me for their service. This response showed a genuine commitment to quality and efficient service, as well as a commitment to customer satisfaction. Consequently, I highly recommend Hoffmann Air Conditioning services.
Response from the owner:Thank you, James, for your 5-star rating; we truly appreciate your support!
KATIE DOOLEY C.
6 days ago
I was distraught to find out our 20 year old HVAC needed to be replaced. Hoffman was beyond empathetic and took care of me within 24 hours during the heat wave. They were on time and very efficient. I have to have trust worthy people work on our house and be in our cocoon, therefore Hoffman has always been our contractor and always will be! They have become family;) I refer all of my clients to them!!!
Response from the owner:Thank you, Katie! We're so glad to hear that you felt supported during a tough time. Your trust means the world to us, and it's wonderful to know that we’ve become part of your family. We appreciate your referrals and look forward to continuing to serve you and your clients!
Tiffany B.
1 week ago
My experience was very pleasant. Nick was great got my problem taken care of. He explained how to use my new equipment . Thank you for a true 24 hr service.
Response from the owner:Tiffany, thank you for the 5-star review. We appreciate you and your business!
Kathleen J.
1 week ago
Very prompt, conscientious and personable. Work well done.
Response from the owner:Thank you, Kathleen! We appreciate your kind words about our team's promptness and attention to detail. Your feedback means a lot to us!
Lisa O.
2 weeks ago
The tech was great. He showed up on time, was very polite, answered all my questions and got the job done. The service was also very reasonably priced.
Response from the owner:Thank you, Lisa! We're glad to hear you had a great experience with our technician. Your feedback about punctuality, politeness, and value is much appreciated!
Bill G.
2 weeks ago
Technician, Giovanni Leone, did such a great job in fixing our AC on a Saturday morning when the Temp is supposed to get up to 100 degrees, later today! I felt like we were in excellent hands and he explained everything he was going to do and then explained in even greater detail once everything was done! I told him if he ever wants to go into sales, he should! He has great personable skills! We have used Thomas Hoffmann before for our heating and cooling needs and they are always professional and trustworthy! My only mistake was not having them to come out to check our AC in the past 3 years!
Response from the owner:Thank you, Bill! We're so glad to hear about your positive experience with Giovanni. It's great to know that you felt well taken care of and appreciated his thorough explanations. We truly value your trust in us for your heating and cooling needs, and we look forward to serving you again in the future!
Robinette H.
3 weeks ago
He came early and identified the problem ordered the part and put it in. He was professional, neat in appearance. I would say an asset to your company.
Response from the owner:Thank you, Robinette! We appreciate your kind words about the professionalism and neatness you experienced. It's great to hear that our team member made a positive impact. Your feedback means a lot to us!
Susan H.
3 weeks ago
Very professional and polite. Did a great job.
Response from the owner:Thank you, Susan! We appreciate your kind words and are glad to hear you had a great experience with our team.
Ted E.
3 weeks ago
Nick came by, identified the problem quickly and had it fixed. Great service!
Response from the owner:Thank you, Ted! We're glad to hear that Nick provided you with quick and effective service. Your feedback is greatly appreciated!
William H.
3 weeks 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.
Kaliyah
4 weeks ago
Quality service, fast, very professional!
Response from the owner:Thank you, Kaliyah! We're glad you experienced our quality service and professionalism. Your feedback means a lot to us!
Jacob K.
4 weeks ago
The technician that came to my house was awesome. He explained the issue and was 100% honest with me. He worked with my wishes and did a great job! Thank you
Response from the owner:Thank you, Jacob! We're glad to hear that the technician provided excellent service and was honest with you. Your feedback is much appreciated!
Lucas S.
4 weeks ago
Quick response, professional service. Made it out made the repair even on a holiday.
Response from the owner:Thank you, Lucas! We're glad to hear you appreciated the quick response and professional service, especially during the holiday. Your satisfaction means a lot to us!
Beth G.
4 weeks ago
Zach came out quickly and fixed our A/C on the 4th. He was pleasant and super efficient! A/C fixed and he was out of here, made our day for sure! Plus he likes dogs!
Response from the owner:Thank you, Beth! We're glad to hear that Zach was able to fix your A/C quickly and efficiently, and it's great to know he made your day better. We appreciate your kind words!
Rich J.
4 weeks ago
Excellent customer service and Repair work
Response from the owner:Thank you, Rich! We're glad to hear you had an excellent experience with our customer service and repair work. Your feedback means a lot to us!
Jennifer H.
1 month ago
Nick was fantastic. He was a great communicator, efficient and educated me and let me take the drivers seat to decision making without feeling pushed. I will for sure recommend friends and family. Service like this doesn’t come around much these days.
Response from the owner:Thank you, Jennifer! We're glad to hear that Nick provided you with excellent service and made you feel empowered during the process. We appreciate your recommendations and look forward to serving you and your friends and family in the future!
Michael G.
1 month ago
Extremely responsive and high quality work.
Response from the owner:Thank you, Michael! We appreciate your kind words about our responsiveness and quality of work.
Elizabeth K.
1 month ago
Tom was prompt, courteous and got the AC running right away. I will call him again with any needs.
Response from the owner:Thank you, Elizabeth! We're glad to hear that Tom provided prompt and courteous service. We appreciate your trust and look forward to assisting you again in the future!
Erin B.
1 month ago
This is the 2nd time we have used this company for our hvac needs. Great company, fast response, tons of communication and they find the problem and fix immediately. Even during the very hot weather. Couldn't recommend them enough.
Response from the owner:Thank you so much for the kind review, Erin. We appreciate your continued support!
Rich C.
1 month ago
Very prompt response and very professional and conscientious repair service. Nick did a great job and is a very nice guy.
Response from the owner:Thank you, Rich! We're glad to hear you had a great experience with our repair service. Nick will be pleased to know his efforts made a positive impression. We appreciate your feedback!
Becky W.
1 month 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.

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.