Serving Affton, MO · Locally Owned
Affton Air Conditioning & Heating Repair, Replace, Done.
Master HVAC Engineer Thomas Hoffmann leads a local team backed by 30+ years of St. Louis experience. AC repair, furnace repair, full system replacement, and maintenance for Affton homes, handled by people who actually know the equipment.
Schedule Service in Affton
Tell us what’s happening. We call back within 30 minutes during business hours, with same-day service when possible.
Why Affton Homeowners Trust Us
A Real Local HVAC Company Serving Affton, Not a National Chain.
A lot of “local-sounding” HVAC companies serving Affton are owned by out-of-state holding groups. We’re not. Tom Hoffmann owns the business, signs the trucks, and answers for the work. Licensed, NATE-certified technicians, fully stocked trucks, honest pricing with no high-pressure sales, and flexible financing options.
Years of Experience
Three decades servicing St. Louis homes, including the older systems and ductwork common in Affton.
★ on Google
773+ St. Louis homeowners have rated us. Read what your neighbors say about showing up on time and fixing it right.
Real People Answering
A real St. Louis dispatcher picks up the phone for Affton emergencies, nights, weekends, and holidays included.
Owned by Tom
Decisions made in St. Louis, not by a parent company in another time zone. Real owner, real accountability.
What We Do
HVAC Services for Affton Homeowners
Repair, replacement, and maintenance for every heating and cooling system in Affton and South County, backed by 30+ years of St. Louis experience.
AC Repair
Fast diagnosis and honest repair options for Affton homes, with 24/7 emergency service.
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Furnace Repair
Heating failure is an emergency in St. Louis winters. We dispatch to Affton fast, nights, weekends, holidays.
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HVAC Installation
Full system replacement done right the first time. Authorized Trane dealer with factory-trained installers.
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Maintenance
Seasonal tune-ups that catch problems before they become breakdowns. Especially valuable for Affton’s older systems.
Learn MoreOur Service Area
Proudly Serving the Affton Community
Affton is known for its charming neighborhoods, older homes, and welcoming community feel, and we keep those homes comfortable through every St. Louis season. Our team understands the HVAC needs of homes in St. Louis County, including the older equipment and ductwork often found in Affton. We believe in repairing when possible and only recommending replacement when it’s the most cost-effective option for you.
We serve homes and businesses throughout zip code 63123 and nearby areas including Shrewsbury, Lemay, and Mehlville. Whether you’re dealing with summer heat or a winter breakdown, a real St. Louis dispatcher answers the phone at (314) 471-7625, 24 hours a day.
What Your Affton Neighbors Say
4.9 ★ on Google. Hundreds of Reviews.
Common Questions in Affton
Frequently Asked Questions
Do you offer emergency HVAC repair in Affton?
Yes. We answer emergency calls 24 hours a day, 7 days a week, including holidays. For urgent heating or cooling failures in Affton, call (314) 471-7625 and we’ll dispatch a technician as quickly as possible.
How fast can you get to my home in Affton?
Affton sits well within our core St. Louis County service area, so response times are often fast. Same-day service is available when possible, and our trucks are fully stocked so most repairs can be completed on the first visit.
Can you work on the older systems common in Affton homes?
Yes. Many Affton homes have older furnaces, boilers, and ductwork, and that’s the kind of equipment we know well. We repair and maintain all major brands including Trane, Carrier, Lennox, Rheem, and Goodman, and as an authorized Trane dealer we also handle full system replacements.
Should I repair or replace my system?
We’ll give you an honest answer based on the age of your system, the cost of the repair, and its efficiency. A general rule: if the repair costs more than half the price of a new system and the unit is over 10 years old, replacement usually makes more financial sense.
What areas near Affton do you serve?
We serve all of zip code 63123 plus nearby communities including Shrewsbury, Lemay, and Mehlville, along with the greater St. Louis metro area.
Do you offer financing?
Yes, flexible financing options are available for system replacements and larger repairs. Ask when you call and we’ll walk you through what fits your situation.
Need HVAC Service in Affton? We Answer 24/7.
Affton homeowners get the same thing every Thomas Hoffmann customer gets: a Master HVAC Engineer’s standards, local ownership, and real people on the phone, every time you call.