Independent HVAC company vs the big names
| 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.Questions Tennessee homeowners ask
My heat pump runs fine most of the winter, then struggles on the coldest mornings. Is that normal in Tennessee?
Some of it is normal, and some of it is a sign the backup heat is not doing its part. A heat pump loses capacity as outdoor temperatures drop, which is why most Tennessee homes pair one with electric strip heat, a gas furnace, or propane on a dual-fuel setup. If the house never quite catches up on a cold snap, the changeover controls, the auxiliary heat, or the refrigerant charge are usually where we start. Call us and we will check the whole sequence instead of guessing.
How humid does it have to get before I need more than air conditioning?
Tennessee summers put enough moisture in the air that a correctly sized system running long, steady cycles will usually pull it out. When it will not, the house feels clammy even with the thermostat satisfied, and that points to an oversized system short cycling, a duct problem, or airflow that is too high. We look at run times and static pressure before recommending anything. Sometimes the fix is a setting change, sometimes it is duct or IAQ work.
Do you cover my part of the state?
We service homeowners across Tennessee and in Alabama, Georgia, Kentucky, North Carolina and South Carolina. The city pages linked on this page show where we work most often. If you do not see your town listed, call anyway and tell us where you are, and we will tell you straight whether we can get a truck to you.
How soon can someone come out when the AC quits?
Call us and we will give you a real window rather than a vague promise. Summer afternoons and the first hard freeze of the year are our heaviest days, so the earlier in the day you call, the better your odds of same-day air conditioner repair. If you are in a home with someone elderly or an infant, say so when you call and we will factor that into the order.
What should I have ready before the technician arrives?
Three things help most. Know roughly how old the system is and whether anything has been worked on recently. Be able to describe what you are hearing or smelling and when it started. And make sure the indoor unit is reachable, including a clear path to the crawlspace if the equipment lives down there, since red clay crawlspaces get tight. Before you call, you can check the thermostat batteries and settings, look for a tripped breaker, change a dirty filter, clear leaves and grass clippings away from the outdoor unit, and confirm your vents are open. Leave anything involving gas, refrigerant or high-voltage wiring to us. If you ever smell gas or suspect carbon monoxide, get everyone out of the house first, call 911 or your gas utility from outside, then call us.
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.
Tennessee at a glance
Find your city — or just call
Pick your city above, or call and we'll book your visit on the spot.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
Rather not call? Get a free quote →
