AC Not Cooling in San Antonio? We Come Take a Look for Free — and Give You a Straight Answer
When your AC quits in a San Antonio summer, the last thing you need is a stranger charging $89 just to walk in your kitchen, then finding a list of problems. Couling comes out, finds what's actually wrong, and hands you a written price before a single wrench turns. No trip fee. No pressure.
- Free to come look — no trip fee, no diagnostic charge at the door
- A written price before any work — you approve it, then we fix it
- Same-day and next-day service — a real arrival window, not an all-day wait
- 10% off repairs for military — active-duty and veterans, to honor your service
Signs Your AC Needs a Repair — in Plain English
You don't need to know what's wrong to call. If your house is doing any of these, it's worth a free look before it turns into a worse afternoon.
It's blowing warm air
The system's running, air's coming out of the vents, but it's just not cold. Usually a low refrigerant charge from a leak, a failed capacitor, or a frozen coil.
Running constantly, never gets cold
The unit runs and runs but the house never catches up — and your power bill climbs. Often a struggling compressor, a dirty coil, or airflow that's choked off somewhere.
The bedrooms are like a sauna
Living room's fine, back bedrooms are miserable. That's usually airflow — a return that's undersized, a duct that's come open, or a leak that needs sealing (not "duct cleaning").
Strange noises — buzzing, humming, rattling
A hard buzz when it kicks on often points to a capacitor or contactor. A rattle or grind can be a fan motor or a loose blade. Worth catching early before it takes more with it.
Water or ice around the unit
Puddles by the indoor unit or ice on the lines usually mean a clogged drain or a frozen coil. Left alone, it can back up and cause real water damage.
The breaker keeps tripping
If the AC keeps flipping the breaker, don't keep resetting it — that's the system telling you something's drawing too much current. It needs a look before it becomes a bigger repair.
What Happens When You Call — Start to Finish
The whole reason people dread calling an AC company is the fear of getting cornered on price. Here's how Couling takes that off the table.
You call, we schedule
A real person picks up during business hours and gives you a real arrival window — often same-day or next-day.
We diagnose it free
The technician finds what's actually wrong — no trip fee, no charge to come look. You get a straight explanation, not a scary list.
You get a written price
Before anything is touched, you see the price for the fix in writing. You decide. If you'd rather not, you owe nothing.
We fix it right
Most repairs are done the same visit. If something else turns up, we stop and ask first — no surprise line items on the bill.
The Repairs That Get Most San Antonio Homes Cool Again
Most AC repairs aren't the whole-system disaster the last company hinted at. These are the fixes we make week in and week out — usually the same visit.
Capacitor replacement
The most common failure in a Texas summer — the little part that gives the motor its kick. Usually a quick, same-visit fix.
Fan motor & contactor
When the outdoor fan won't spin or the unit won't kick on, it's often the fan motor or the contactor that switches it. Both are standard repairs.
Refrigerant leak & recharge
Low on refrigerant means a leak — we find it and seal it, not just top you off so you're back in a month. Warm air is often this.
Frozen coil & airflow
Ice on the coil is almost always restricted airflow — a clogged filter, a dirty coil, or a blocked return. We clear the cause, not just the symptom.
Clogged condensate drain
That water around the indoor unit is usually a plugged drain line. We clear it before it backs up into your ceiling or floor.
Thermostat & controls
Sometimes the system is fine and the thermostat or wiring is the culprit. We check the cheap fixes before ever pointing at the expensive ones.
A quick note on dust: San Antonio homes use flexible ductwork, not metal, so it isn't "cleaned" the way old duct was. When there's a lot of dust, the real problem is nearly always a duct that's come open or is leaking and needs sealing — and that's a fix we can actually help with.
Is It Worth Repairing — or Are You Throwing Money at a Dying System?
A good repair company will tell you when a repair isn't the smart money. Here's the honest read, and you'll get the same straight answer at your door.
Fix it if…
- Your unit is under 10 years old and this is the first real repair
- It's a capacitor, fan motor, contactor, or drain — a normal same-visit fix
- The rest of the system is healthy and your bills have been normal
- The unit doesn't run banned R-22 refrigerant (anything 2010 or newer)
Consider a new system if…
- It's 12+ years old with two or three repair calls in the last couple summers
- The repair is a big chunk of what a new system costs — you'd be patching borrowed time
- It runs R-22 — now banned, so refrigerant is scarce and pricey
- Bills have crept up summer over summer with no rate change
Real Jobs, Real San Antonio Homes — Done by the Couling Crew
No stock photos. This is the crew and the kind of work that shows up at your door.
Want to read what these homeowners actually said? See the reviews below →
What Homeowners Say After Couling Shows Up
5.0 stars across 61 Google reviews. Here's what a couple of San Antonio neighbors said, in their own words.
"Excellent company! I have nothing but praise for Couling AC. They have been my AC company for many years now. In all that time they have never let me down. They come quickly…"
"My father recently passed away and the air conditioning went out at his house. I was concerned with the house vacant that the humidity would cause issues in the house. I called James on a Monday and by Wednesday we had a new unit installed. I've used Couling AC for years and I am 100% satisfied."
10% Off Repairs for Military
Active-duty and veterans get 10% off any repair — a small thank-you for your service. Just mention it when you call or when the technician arrives.
Built on 50 Years in AC — That's Why San Antonio Trusts Couling With a Repair
Anybody can turn a wrench. Here's what actually makes a Couling repair call different.
Free to come take a look
No trip fee, no diagnostic charge just to walk in the door. You get a straight answer on what's wrong before you're asked to spend a dime.
The price is in writing, first
You see the number before any work starts and you approve it. If something else turns up, we stop and ask — no surprise line items on the invoice.
No upsell, no scare tactics
We won't invent a list of problems to pad the bill. If a quick repair is all you need, that's what you'll hear — even when a new system would pay us more.
The same way of doing things since 1976
James Couling started in the AC trade in August 1976 — 50 years of treating every customer the same way. The only other AC company he ever worked for was Sears Roebuck, until he opened Couling AC in 2007. The tech at your door is Couling's, not a subcontractor.
Work backed by a warranty
Parts we install carry the manufacturer's warranty, and we stand behind our workmanship. If the same fix fails because of the work, the truck comes back — no bill.
TACLB-licensed & insured
Licensed with the state, insured, and local. The license number is on every invoice and every truck — not a handshake and a hope.
The Questions San Antonio Homeowners Ask Before They Call for a Repair
No. Couling comes out and diagnoses the problem for free — no trip fee, no diagnostic charge just to walk in the door. You get a straight explanation of what's wrong and a written price before any work starts. If you decide not to move forward, you owe nothing.
Most repair calls are handled same-day or next-day. We schedule during regular business hours and give you a real arrival window — not a vague all-day wait. In the peak of summer, the sooner you call, the better the odds of a same-day slot.
Always. After the free diagnosis you get a written price for the fix, and nothing gets touched until you say go. If something else turns up mid-repair, the work stops and you decide — no surprise line items and no bill that doesn't match what you were told.
The usual suspects are a failed capacitor, a low refrigerant charge from a leak, a frozen coil from restricted airflow, a bad fan motor or contactor, or a thermostat issue. Most are same-visit fixes. The only way to know for sure is a look at the system — which we do for free.
Rough rule: under 10 years old and a first real repair, fix it. Over 12 years old with two or three repair calls in the last couple summers, you may be throwing money into a dying system. You'll get an honest read on your specific unit during the free visit — including the times a simple repair is clearly the right call. If a new system does make more sense, you can see AC installation here.
Yes. Couling takes 10% off repairs for active-duty and veteran military, to honor your service. Just mention it when you call or when the technician arrives.
No. San Antonio homes use flexible ductwork, not metal, and it isn't cleaned the way old metal duct was. When people notice a lot of dust, the real problem is almost always a duct that's come open or is leaking somewhere and needs sealing — and that's a fix we can actually help with.
Yes. Parts we install carry the manufacturer's warranty, and Couling backs the workmanship on the repair itself. If the same fix fails because of the work, the truck comes back and there's no bill. A business doesn't run since 2007 — with a founder who's been in the trade for fifty years — by ghosting customers after the invoice.
One Call and We'll Come Take a Look — Free
Tell us what your AC's doing and we'll come find out why, at no charge, with a written price before any work starts. If it's a simple fix, you'll hear that. That's the way James has done it since 1976.