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.

Kevin E.
17 hours 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 days 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 days 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 days 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 days 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 days 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.
5 days 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.
5 days 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.
5 days 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.
6 days 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!
Jack R.
7 days ago
Our tech was scheduled to arrive to our house in Brentwood only a few hours after I called. Nick was great and was able to address the issue quickly. Thanks again!
Response from the owner:Thank you, Jack! We're glad to hear that Nick was able to resolve the issue quickly for you. Your satisfaction means a lot to us!
Melanie L.
7 days ago
Nick was amazing!!! He came out after hours to my home in Creve Coeur when my AC stopped working. He was professional, knowledgeable, and genuinely helpful. I really appreciate him going above and beyond when I needed help. Highly recommend!
Response from the owner:Thank you, Melanie! We’re glad to hear that Nick provided such excellent service and went above and beyond for you. Your recommendation means a lot to us!
Margaret K.
1 week ago
Clear communication about arrival, service and costs.
Response from the owner:Thank you, Margaret, for your kind words! We appreciate your feedback on our clear communication and are glad you had a positive experience.
Rich C.
1 week ago
Very prompt response and very professional and conscientious repair service. Nick did a great job and is a very nice guy. I apparently have an intermittent problem that did not occur today. Your technician was excellent and system is now working, so I will call if issue recurs. You have terrific associates.
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!
Ryan B.
1 week ago
I called on a hot summer day and they came out and had it fixed super fast!
Response from the owner:Thank you, Ryan! We appreciate your kind words and are glad to hear we could help you quickly on that hot day.
david W.
1 week ago
Amazing response time and service for AC replacement! Our AC failed on Monday evening, Nick came out to inspect and give us options within the hour, and we had a new AC installed by 1pm on Tuesday. Great team and very happy
Response from the owner:Thank you, David! We're glad to hear about your positive experience with our team, especially with Nick's quick response and the timely installation. Your satisfaction means a lot to us!
Lori B.
1 week ago
I can’t say enough wonderful things about Thomas Hoffmann Air Conditioning and Heating! Nick came promptly, which was such a relief, and from the very beginning, he was personable, professional, and incredibly honest. After dealing with other companies, Nick’s honesty really stood out. He took the time to explain everything clearly, answer my questions, and make sure I understood what was going on—without any pressure or unnecessary recommendations. It was refreshing to feel like I was dealing with someone who genuinely cared about doing the right thing for the customer. Nick’s professionalism, knowledge, and customer service were truly top-notch. I wouldn’t hesitate to recommend Thomas Hoffmann Air Conditioning and Heating to anyone looking for a heating and cooling company you can actually trust!
Response from the owner:Thank you for the 5-star rating, Lori!
Connor L.
1 week ago
Very responsive and helped us promptly on one of the hottest nights in the summer!!
Response from the owner:Thank you, Connor! We're glad we could assist you quickly during such a hot night. Your feedback means a lot to us!
Logan L.
1 week ago
So professional and came within 10 minutes of our emergency! Nick was 10/10!!!
Response from the owner:Thank you, Logan! We're glad to hear that our team responded quickly and that Nick made such a positive impression. Your feedback means a lot to us!
John P.
2 weeks ago
They did great work on a tight timeline. They saved our business that day! Very professional and smart. I will use them every time!
Response from the owner:Thank you, John! We appreciate your kind words and are glad we could help your business on such a tight timeline. Looking forward to working with you again!
Morgan T.
2 weeks ago
The service was excellent! When we arrived home after 8 pm, seen our unit was not working and it was almost 85 degrees in our home my husband began calling all of the companies that said they were 24 hrs. Thomas Hoffman heating and cooling was the only company that honored the statement. Nick was at our home in a very timely manor and was also able to fix our unit quickly! I would highly recommend to anyone needing any hvac services!
Response from the owner:Thank you, Morgan! We're glad to hear that you had an excellent experience with our service. It's great to know that Nick was able to assist you promptly and effectively. We appreciate your recommendation and look forward to helping you again in the future!
Excellent service and a job very well done. Highly recommended!
Response from the owner:Neil, thank you so much for the great review. We appreciate your continued support and business!
Timothy L.
2 weeks ago
Tom was amazing and fast , came out for a 24 hour service call and did quick work to keep us in our home during a summer heatwave.
Response from the owner:Thank you, Tim! We're glad to hear that Tom provided amazing and quick service. Your comfort is important to us!
Margaret F.
2 weeks ago
Excellent service, on time, professional!
Response from the owner:Thank you, Margaret! We appreciate your kind words and will make sure to pass along your praise to Nick for his excellent service.
lisa D.
3 weeks ago
Thomas Hoffman HVAC provides excellent service. The staff members are very nice, respectful and knowledgeable. I always feel comfortable with the advice I have been and the fees for repairs. Whether we see one of the companies employees or Thomas himself we have always had a good experience and highly recommend them. I am thankful to have found a trustworthy company to count on for my future needs.
Response from the owner:Thank you for the 5-star review, Lisa. We appreciate the support!

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.