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.

Call (314) 471-7625
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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.


What We Do

HVAC Services in Richmond Heights, MO

Repair, replacement, and maintenance for every heating and cooling system in Richmond Heights, backed by 30+ years of St. Louis experience.

AC Repair Richmond Heights MO

AC Repair

Fast diagnosis and honest repair options, with 24/7 emergency service for Richmond Heights homes.

Learn More Furnace Repair Richmond Heights MO

Furnace Repair

Heating failure is an emergency in a Missouri winter. We dispatch fast, nights, weekends, and holidays.

Learn More HVAC Installation Richmond Heights MO

HVAC Installation

Full system replacement handled by factory-trained installers. Authorized Trane dealer.

Learn More HVAC Maintenance Richmond Heights MO

Maintenance

Seasonal tune-ups that catch problems before they become breakdowns and help extend equipment life.

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Heat Pumps Air Quality Trane Dealer Boilers Commercial Emergency
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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.

Excellent
Thomas Hoffmann Air Conditioning & Heating LLC4.9
Based on 819 reviews
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James H.
2 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.
Response from the owner:Thank you, James, for your 5-star rating; we truly appreciate your support!
Tiffany B.
3 days 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.
4 days 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.
5 days 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.
1 week 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.
2 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.
2 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.
2 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
3 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.
3 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.
3 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.
3 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.
3 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.
3 weeks 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.
3 weeks 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.
4 weeks 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.
4 weeks 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.
4 weeks 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.
tori M.
1 month ago
Arrived quickly and fixed our AC issue with ease!
Response from the owner:Thank you, Tori! We're glad to hear that we could quickly resolve your AC issue. Your satisfaction means a lot to us!
James H.
1 month ago
Came out immediately after a time slot opened and fixed the AC issue.
Response from the owner:Thank you, James, for your kind words! We're glad we could address your AC issue promptly.
dawn B.
1 month ago
Had new hot water heater put in. Zack was great. On time and neat
Response from the owner:Thank you, Dawn! We're glad to hear that Zack provided great service and was punctual and tidy during the installation of your new hot water heater. We appreciate your feedback!
David D.
1 month ago
I lost my AC overnight. I called at 8 and Nick got here at 12:30. He took his shoes off before he came in, which rarely happens with contractors. He diagnosed the problem in no time and was out the door in less than an hour. He also put back together the closet where access to the attic and furnace is. Couldn't be happier.
Response from the owner:We appreciate your recognition of our dedication to finding the root cause of the issue rather than opting for a quick fix. Thank you for acknowledging our efforts!
Karen W.
1 month ago
I can't thank them enough for getting my ac fixed so quickly. The technician knew exactly what was wrong and had the part to fix it. Thanks again for great work.
Response from the owner:Thank you, Karen! We're glad to hear that our technician was able to quickly fix your AC and provide great service. Your appreciation means a lot to us!

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.

Call (314) 471-7625
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