Locally Owned · Serving Maryland Heights, MO
Air Conditioning Maryland Heights, MO HVAC Repair, Replace, Done.
Master HVAC Engineer Thomas Hoffmann leads a local team backed by 30+ years of St. Louis experience, serving Maryland Heights homes and businesses. AC repair, furnace repair, full system replacement, and maintenance, handled by people who actually know the equipment.
Schedule Service in Maryland 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 Maryland Heights, MO
Repair, replacement, and maintenance for every heating and cooling system in Maryland Heights, backed by 30+ years of St. Louis experience.
AC Repair
Fast diagnosis and honest repair options, with 24/7 emergency service for Maryland Heights homes.
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Furnace Repair
Heating failure is an emergency in a Missouri winter. We dispatch fast, nights, weekends, and holidays.
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HVAC Installation
Full system replacement handled by factory-trained installers. Authorized Trane dealer.
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Maintenance
Seasonal tune-ups that catch problems before they become breakdowns and help extend equipment life.
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Why Maryland Heights Homeowners Trust Us
We Know Maryland Heights, From Ranch Homes to New Townhomes.
Whether you live near Dorsett Road, close to Creve Coeur Park, or in one of the neighborhoods off McKelvey or Fee Fee Road, we’ve got you covered. Our technicians work on everything from older ranch-style houses to newer townhomes and condos. And unlike the “local-sounding” companies owned by out-of-state holding groups, Tom Hoffmann owns this business and answers for the work.
Owned by Tom
Decisions made in St. Louis, not by a parent company in another time zone. Real owner, real accountability.
Years of Experience
Three decades of heating and cooling work across St. Louis County, including Maryland Heights.
Honest Pricing
A written estimate before any work begins. Practical options, not sales pressure or scripted upsells.
Real People Answering
A real St. Louis dispatcher picks up the phone, nights, weekends, and holidays included.
AC out tonight in Maryland 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.
What Your Neighbors Are Saying
4.9 ★ on Google, Hundreds of Reviews.
Common Questions
Maryland Heights HVAC Questions, Answered
Do you offer emergency HVAC service in Maryland Heights?
Yes. We answer emergency calls 24 hours a day, 7 days a week, including holidays. For urgent heating or cooling failures in Maryland Heights, call (314) 471-7625 and we’ll dispatch a technician as quickly as possible.
Do you service townhomes and condos in Maryland Heights?
Yes. We work on the full range of Maryland Heights housing, from older ranch-style homes to newer townhomes and condos, and we’re familiar with the tighter mechanical spaces and shared-wall considerations that come with them.
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 Maryland Heights do you serve?
We serve Maryland Heights and the surrounding communities including Creve Coeur, Bridgeton, St. Ann, Overland, Hazelwood, Earth 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 Maryland Heights? We Answer 24/7.
Maryland 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.