St. Louis AC & Heating Repair
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Excellent4.9 Based on 374 reviews from review us onBarb W.Barb W. ★★★★★ Giovanni and Zach just left & we are so pleased with our new furnace. I am so impressed with how quickly the furnace was installed and how nice they both are. They completely cleaned up the area! They are a credit to your company. It’s been a pleasure doing business with Thomas Hoffmann Air Conditioning and Heating!Christi M.Christi M. ★★★★★ Thomas Hoffmann is wonderful! They call me to schedule, are very friendly polite and on time!KrystalKrystal ★★★★★ I’m always so pleased with Tom Hoffmann’s service, expertise, and pricing. We had a fall furnace check today and the appt was great. They were on time, friendly and answered all of my questions; which is why I continue to be a customer 7 years later. Thank you, Tom Hoffmann!Princess C.Princess C. ★★★★★ This company is so responsive to me that I love them. They respond immediately and I trust them. It always cost me, but that is the nature of the beast. I haven’t been steered wrong yet. They are genuinely nice to work with.Justin K.Justin K. ★★★★★ Excellent people.Mari L.Mari L. ★★★★★ My technician, Giovanni, arrived on time, was professional, courteous, and knowledgeable. He made some great suggestions and as always the pricing was very fair! I really appreciate Thomas Hoffmann HVAC's excellent service! I also, love supporting a small-family, locally owned business that specializes in HVAC and not just another big company trying to do it all.Teresa F.Teresa F. ★★★★★ Duraid was on time, quick and efficient.James Green I.James Green I. ★★★★★ On time, courteous and did a great job.Debbie C.Debbie C. ★★★★★ The service technicians are very courteous and communicate well with the customer. They let you know what, if any, problems are found, the options, and the cost of the repair(s). Quick and efficient.Lisa S.Lisa S. ★★★★★ Always on time. Professional service and fair pricing.Teresa F.Teresa F. ★★★★★ Our service person actually arrived early! We were happy about that. He was professional, friendly, efficient and courteous. We couldn’t ask for more.Dale CDale C ★★★★☆ Easy to get appointments. Tech Giovanni was competent and friendly. On time and got the system ready for winter.Hannah O.Hannah O. ★★★★★ Thomas Hoffman came out multiple times to check on how things were going. Giovanni and Jamall, worked extremely hard on this project that was difficult, but we’re still friendly! 100% recommend Thomas Hoffmann Air Conditioning and Heating LLC. Especially Giovanni and Jamall!James H.James H. ★★★★★ Came out immediately after a time slot opened and fixed the AC issue.Vivian J.Vivian J. ★★★★★ Professional and on timeBrian B.Brian B. ★★★★★ Crew was on time and stayed till they were finished.Preston B.Preston B. ★★★★★ Honest after charge mistake, came back free of charge to fix job that wasn’t done right. A+Todd M.Todd M. ★★★★★ My go to HVAC guys!Colleen C.Colleen C. ★★★★★ We had a phenomenal experience with Thomas Hoffman AC & Heating. Our AC recently went out during the early evening.Thomas called us after hours and walked us through several attempts at getting the unit running again. He followed up with us later that night. We were not able to get it running but he and his team arrived early the next morning and fixed the issue.They were polite, professional and provided excellent service at a fair price.Highly recommend!js_loader
experience matters
Thomas Hoffmann

Former Owner & Founder of Hoffmann Brothers


At Thomas Hoffmann Air Conditioning and Heating, it is our privilege to partner with you to provide quality service each time you call. We aim to exceed your expectations through our responsiveness, integrity, and expertise.

St. Louis Heating & Cooling

Our trusted HVAC experts are available 24/7 for AC & Heating repair, maintenance, and installation.

Welcome to Thomas Hoffmann Air Conditioning & Heating, your trusted HVAC experts in St. Louis, Missouri. Our team of experienced technicians is dedicated to providing top-quality heating, cooling, and ventilation services for homes and businesses throughout the area. From routine maintenance and repairs to complete system installations, we have the skills and knowledge to keep your indoor environment comfortable all year round. Contact us today to schedule a service appointment and experience the difference that our master technician & mechanical engineer-owned company provides.

Your comfort should never be compromised!

air conditioning service & repair

AC Repair & Maintenance

Thomas Hoffmann Air Conditioning & Heating specializes in installing, repairing, and maintaining the cooling system for your home. We are dedicated to keeping our customers cool in the hot summer months by selling the best air conditioners on the market, providing preventative maintenance services, and sending out our certified technicians to service your existing equipment.

Your air conditioning system is more than just a machine that keeps you cool when it’s hot. It should be reliable, lower your energy costs, and maximize efficiency. Annual service is essential for your cooling system’s performance and continued operation.

Furnace Repair & Maintenance

Your heating system must deliver reliable and consistent heat during our St. Louis winters. Annual service is essential for maximum heating output and energy efficiency.

If your heater needs to be serviced, repaired, or replaced, our certified and licensed technicians will ensure that your heating system is running in peak condition, resulting in a more satisfying comfort level. With over 30 years in the industry, 24-hour emergency repair, and personalized customer service, we deliver on our promise of comfort when you need it most.

Furnace Repair St. Louis
Commercial HVAC St. Louis

Commercial HVAC

Commercial facilities require expert advice from trusted heating and cooling experts. We work with you to understand your HVAC needs, preferences, and budget before making suggestions.
When you work with Thomas Hoffmann Air Conditioning & Heating, you will have more time to focus on your St. Louis business. Leave the HVAC services to us. We bring the cost savings you want and the expert approach you need.

Heat Pump

There are many advantages to having a heat pump installed in your home. A heat pump uses electricity to heat a home in the winter and keep it cool during the summer. It is often the most energy-efficient HVAC option.

To understand whether a heat pump is the right option for your home, call Thomas Hoffmann Air Conditioning & Heating. We will provide informed recommendations for the ideal system to meet your needs.

Heat Pump Installation St. Louis
Indoor Air Quality St. Louis

Indoor Air Quality

Choosing the optimal heating, cooling, and ventilation products for your Ensuring healthy air quality in your home often requires taking proactive steps. Carpet, pets, bedding, cleaning products, inadequate ventilation, and high humidity levels can all increase some of the pollutants in your home. So how do you determine the problem, and what can you do about it?

We offer a full line of Indoor Air Quality (IAQ) solutions, including air purifiers, humidifiers, dehumidifiers, germicidal UV lights, and ventilation systems.

24/7 Service Call Now

At Thomas Hoffmann Air Conditioning & Heating, we pride ourselves in being a locally owned and operated HVAC company. With more than 30 years of experience and a master technician and mechanical engineer as our owner, we can replace, repair, and provide maintenance for your business or home’s HVAC system.

(314) 471-7625