Top-rated independent heating and cooling across north Georgia and the southern Appalachians
What a Real Tune-Up Includes (and What It Won't Fix)
You keep seeing "tune-up" on postcards and you want to know what you actually get for it. Fair question. A real maintenance visit is a technician putting hands and gauges on your heating and cooling system, cleaning what is dirty, measuring what should be measured, and telling you plainly what is worn. It will not turn an old system into a new one. Here is the honest version.
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STM Heating & Air service team · field-reviewed before publishing
What Neglect Actually Does to a System
Nothing breaks the first year you skip service. It is slower than that. A loaded filter and a dirty indoor coil choke airflow, so the system runs longer for the same result and the compressor works hotter. Outdoor coils pack with pollen, grass clippings and red clay dust until heat cannot leave the unit. Condensate drains grow slime and back up onto the crawlspace ceiling or into a closet floor. Capacitors weaken, contactors pit, blower wheels cake up. Two or three years of that and a part that would have been a small repair takes the compressor with it in July.
What a Real Tune-Up Includes
On a cooling visit we check refrigerant performance by measuring temperatures and pressures, wash the outdoor coil, inspect and clear the condensate drain, check the blower wheel and indoor coil, test the capacitor and contactor, tighten electrical connections, and verify the thermostat is actually calling and staging correctly. On heating we inspect the heat exchanger or the heat pump's reversing valve and defrost cycle, check gas pressure and flame on propane and dual-fuel setups, test safeties and limits, and confirm the changeover point makes sense for your home. Then we tell you what we found, including the parts that are aging but still working.
What It Will Not Fix
A tune-up is not a rebuild. It will not add life to a rusted heat exchanger, restore a compressor that has already run hot for years, or fix ductwork that was undersized when the house was built. If your system loses refrigerant, cleaning it does not seal the leak. Rooms that were always hot upstairs stay hot until the duct problem gets addressed. Maintenance also cannot promise nothing will break. What it does is catch the cheap failures early, keep airflow and drainage right, and give you a straight answer about how much system you have left.
How Often, and the Habit In Between
Twice a year is the standard across the region: cooling before the first stretch of heat, heating before the first hard cold snap. Heat pumps that run year round benefit most from two visits because every component works all twelve months. Between visits, the habit that matters is the filter. Check it monthly and change it when it looks gray, not on a calendar date. Also walk around the outdoor unit and pull the leaves, weeds and clippings back a couple of feet, and keep supply and return vents open in every room, including the ones nobody uses.
Warning Signs It Is Already Too Late for Maintenance Alone
Call for air conditioning repair or heating repair instead of maintenance if the system runs constantly and never reaches the setting, if you hear grinding or a hard electrical hum at startup, if the breaker trips more than once, if there is water staining a ceiling below the air handler, or if ice forms on the indoor coil or the line outside. Sudden higher humidity indoors and a burning smell that does not clear in ten minutes are both worth a call. If you smell gas or a carbon monoxide alarm sounds, leave the house first, call 911 or your gas utility from outside, then call us.
What a Real Tune-Up Includes (and What It Won't Fix) — fast answers
Is a tune-up worth it on a system that is fifteen years old?
Usually yes, for one reason: you get an honest read on how much life is left. We will clean and test it, and if the compressor or heat exchanger is failing, you find out before it quits in bad weather.
Can I just change the filter and skip service?
Filter changes help airflow, but they cannot check refrigerant performance, gas pressure, electrical parts or drains. Those are the failures that leave you without heat or cooling, and they need gauges and meters.
Do heat pumps really need service twice a year?
Yes. A heat pump is the same equipment cooling in summer and heating in winter, so it never gets an off season. We check the defrost cycle and reversing valve in fall and the cooling side in spring.
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.
About this guide
Checked everything on the list and it still acts up?
Report what you saw during the checks and we handle the rest. A minute to book.
- A real person answers
- Open 7 days
- Written quotes
- All major brands
- Gas & electric
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