What is your system doing in Chattanooga?
Choose the closest match, or call and describe what the system is doing.
One heating and air conditioning company for the whole system, from air conditioner repair to furnace replacement and seasonal maintenance.
AC Repair
Air conditioners blowing warm, short-cycling or refusing to start
Furnace Repair
Furnaces with no heat, short cycling or a locked-out control board
Heat Pump Repair
Heat pumps that will not heat, stick in defrost or run nonstop
AC Installation
New central air, replacements and ductless installations
Furnace Installation
New gas and electric furnaces, replacements and upgrades
Ductwork Repair
Leaking ducts, weak airflow and rooms that never get comfortable
HVAC Maintenance
Seasonal tune-ups for cooling and heating systems
Duct Cleaning
Air duct, vent and register cleaning
Thermostat Installation
Smart thermostats, replacements and zoning controls
Mini-Split Repair
Ductless mini-splits and multi-zone systems
Indoor Air Quality
Air purifiers, humidifiers, dehumidifiers and ventilation
HVAC repair in Chattanooga, the local picture
We handle air conditioning repair, heating repair and system replacement for Chattanooga homeowners, and the fastest way to get moving is to call us with what your thermostat is doing and what you hear from the outdoor unit. Chattanooga summers sit hot and heavy with humidity coming off the river, so an AC that cools but leaves the house clammy usually needs airflow and drainage checked before anyone talks about equipment. Winters bring real freezes here, and homes on Signal Mountain or Lookout Mountain often run gas furnaces while valley houses lean on heat pumps with electric backup. We work brick ranches from the fifties, older Southside homes with retrofitted ductwork in tight crawlspaces, and newer builds in Hixson and East Brainerd. Before you call, you can check thermostat batteries and settings, look for a tripped breaker, change a dirty filter and clear leaves away from the outdoor unit. Everything past that is ours.
Much of Chattanooga went up between the postwar years and the 1980s, with older brick and frame homes closer to downtown and ranch and split-level houses spreading through Brainerd and Hixson. Newer construction fills the eastern suburbs. Expect crawlspaces, retrofitted ductwork, thin wall insulation and gas furnaces paired with older AC systems.
Day to day we are on I-24, I-75, I-59 and Highway 153.
Chattanooga ZIPs & nearby cities we cover
From Chattanooga we cover Red Bank, East Ridge, Hixson, Soddy-Daisy, Signal Mountain, Lookout Mountain, Ooltewah, Collegedale and across the state line into Ringgold and Fort Oglethorpe.
- 37450
- 37340
- 37343
- 37350
- 37351
- 37377
- 37401
- 37402
- 37403
- 37404
- 37405
- 37406
Chattanooga areas we cover
- North Chattanooga
- St. Elmo
- Highland Park
- Brainerd
- East Brainerd
- Hixson
- Red Bank
- Lookout Valley
- Ooltewah
- Southside
Nearby cities we also cover
- East Chattanooga
- East Ridge
- Red Bank
- East Brainerd
- Middle Valley
- Collegedale
- Soddy-Daisy
- Cleveland heating and cooling
Independent HVAC company vs the big names in Chattanooga
| STM Heating & Air | Big-box repair chains | Handyman listings | |
|---|---|---|---|
| Quote in writing before a wrench comes out | ✓ | ✕ | ✕ |
| Phones answered by people, every day | ✓ | ✕ | ✓ |
| All major brands, gas and electric | ✓ | ✓ | ✕ |
| Independent company, nobody's quota | ✓ | ✕ | ✓ |
| Crews familiar with homes like yours | ✓ | ✕ | ✓ |
The same on every visit
The quote comes first, in writing
Covering 81 cities across Alabama, Georgia, Kentucky and 3 more.Phones answered by people
Open 7 days, 8:00 AM to 5:00 PM ET.Every major brand, gas and electric
Carrier, Trane, Lennox, Goodman and more. We are not an authorized dealer for any of them.HVAC repair in Chattanooga — quick answers
How soon can you get to my house in Chattanooga?
Call us and we will give you a real window rather than a guess. Same-day visits are often possible inside Chattanooga and the closer suburbs, though the first hot week of summer and the first hard freeze of winter fill up quickly. Tell us if anyone in the home is elderly, very young or unwell and we will move you up the list.
Do you work outside the Chattanooga city limits?
Yes. We regularly run calls up Highway 27 through Red Bank and Soddy-Daisy, east toward Ooltewah and Collegedale, and south over the Georgia line to Ringgold, Fort Oglethorpe and Ridgeland. If you are on a mountain road or a long gravel drive, mention it when you call so we can plan the truck and the arrival time.
How does pricing work?
Everything gets quoted in writing first, the visit, the parts, the labor, and work starts only when you approve.
What brands can you service?
As an independent company we service every major brand, from Carrier and Trane to Lennox, Goodman and Rheem, gas and electric alike.
How it works
- Step 1
Tell us the symptom
Call or fill in the quote form and describe what you hear, smell or feel. Warm air, short cycling, a breaker that keeps tripping. That gives us a head start on the likely cause.
- Step 2
We diagnose on site
A technician checks the thermostat, airflow, electrical connections, refrigerant performance and the outdoor unit. We work the crawlspace and the attic too, because ductwork and drainage cause more trouble than people expect.
- Step 3
You decide, then we fix it
We explain what failed, what it takes to repair it, and what we would watch next season. No work starts until you say go. Most repairs finish the same visit when parts are on the truck.
- A real person answers
- Open 7 days
- Written quote before work starts
Why homeowners call us
- Mixed heating is normal to usHeat pumps, propane furnaces and dual-fuel setups all behave differently in cold weather. We know how a heat pump should sound in the thirties and when the backup heat is doing too much of the work.
- We go under the houseRed clay crawlspaces hide crushed ducts, sweating lines and standing water. Comfort problems often start down there, not at the unit, so we look before we start replacing parts you may not need.
- Plain explanationsYou get told what broke and why, in words that make sense. If a repair is a short-term patch on an aging system, we say that out loud so you can plan instead of guessing.
- One crew, six statesWe serve homeowners across Alabama, Georgia, Kentucky, North Carolina, South Carolina and Tennessee. Same approach in every one: show up, diagnose properly, repair what needs repairing, leave the space clean.
- All major brands, gas & electricOne independent crew for Carrier, Trane, Lennox, Goodman, Rheem and more.
- Straight answersNot worth fixing? We say that out loud, and often it saves you the visit fee.
What we cover in Chattanooga
Small faults get expensive on their own schedule
A part on its way out usually takes something more expensive with it. Getting started takes about a minute.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
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