Locally Owned · Serving Richmond Heights, MO

Air Conditioning Richmond Heights, MO HVAC Repair, Replace, Done.

Master HVAC Engineer Thomas Hoffmann leads a local team backed by 30+ years of St. Louis experience, serving Richmond Heights homes and businesses. AC repair, furnace repair, full system replacement, and maintenance, handled by people who actually know the equipment.

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

Schedule Service in Richmond Heights

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

HVAC system sizing and service in Richmond Heights, MO by Thomas Hoffmann Air Conditioning & Heating

Why Richmond Heights Homeowners Trust Us

We Know Richmond Heights Homes, Historic Brick to New Builds.

From historic brick homes along Big Bend Boulevard to newer builds near The Boulevard and I-64, Richmond Heights brings real HVAC challenges: tight mechanical spaces, older ductwork, and efficiency upgrades for aging systems. Our technicians handle all of it. And unlike the “local-sounding” companies owned by out-of-state holding groups, Tom Hoffmann owns this business and answers for the work.

Local

Owned by Tom

Decisions made in St. Louis, not by a parent company in another time zone. Real owner, real accountability.

30+

Years of Experience

Three decades of heating and cooling work across St. Louis County, including Richmond Heights’ older housing stock.

Upfront

Honest Pricing

A written estimate before any work begins. Practical options, not sales pressure or scripted upsells.

24/7

Real People Answering

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

Urgent? Call Now.

AC out tonight in Richmond Heights? Furnace down on a cold morning?

A real person answers the phone, 24 hours a day, 7 days a week. Tell us what’s wrong and we’ll dispatch a technician as fast as humanly possible. No call centers, no overseas dispatchers, no scripts.

24/7 Emergency HVAC Service in Richmond Heights Real St. Louis dispatcher answers, nights, weekends, holidays.
Call (314) 471-7625

What Your Neighbors Are Saying

4.9 ★ on Google, Hundreds of Reviews.

Chris S.
2 days ago
great people
Response from the owner:Thank you, Chris! We appreciate your kind words about our team.
Christine M.
3 days 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 days 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 days 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 days 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 days 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.
5 days 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.
5 days 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.
6 days 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.
1 week 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 week 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.
2 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.
2 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
2 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.
2 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
2 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.
2 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.
2 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.
2 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.
2 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!
Jack R.
2 weeks 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.
2 weeks 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.
2 weeks 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.
3 weeks 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.
3 weeks 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.

Common Questions

Richmond Heights HVAC Questions, Answered

Do you offer emergency HVAC service in Richmond Heights?

Yes. We answer emergency calls 24 hours a day, 7 days a week, including holidays. For urgent heating or cooling failures in Richmond Heights, call (314) 471-7625 and we’ll dispatch a technician as quickly as possible.

Can you work on Richmond Heights’ older brick homes?

Yes. The historic brick homes around Big Bend Boulevard often come with tight mechanical spaces and older ductwork. We regularly service aging systems in these houses and handle efficiency upgrades when replacement makes sense.

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.

What areas near Richmond Heights do you serve?

We serve Richmond Heights and the surrounding communities including Clayton, Brentwood, Maplewood, Ladue, University City, and the greater St. Louis metro area.

Why is my AC blowing warm air?

The most common causes are low refrigerant, a dirty air filter, a tripped breaker, or a failed compressor. Some are simple fixes; others need a technician. If your AC is running but not cooling, call us and we’ll diagnose it accurately on the first visit.

How long does a furnace or AC installation take?

Most residential installations are completed in a single day. We’ll give you a clear timeframe before we start and keep the work area clean throughout. Our goal is to have your system running before we leave.

Ready to Schedule Service in Richmond Heights? We Answer 24/7.

Richmond Heights homeowners get the same thing every Thomas Hoffmann customer gets: local ownership, real people on the phone, and 30+ years of St. Louis HVAC experience.