Emergency line open 24/7 · Times shown in ET
AC repair in San Antonio, TX
San Antonio sits in Bexar County and we cover 83 ZIP codes across it. One call routes your cooling fault to an independent local provider.
Your call connects you with an independent local HVAC provider. No obligation.
Call (855) 321-3194How do I get AC repair in San Antonio, TX today?
Dial (855) 321-3194. We take the ZIP code first because coverage in San Antonio varies by area rather than by city name. The provider who accepts the call confirms timing and price with you directly.
Cooling calls in San Antonio
This page covers cooling service for San Antonio, TX, including all 83 ZIP codes we list. The line takes the ZIP code first because that is what determines which providers can be offered to you, not the city name.
Within Bexar County we list 83 ZIP codes under San Antonio. Neighbouring markets such as Austin, Corpus Christi, Laredo are covered separately and have their own pages.
Local considerations
Very long cooling seasons from the gulf coast to west Texas, with humidity load in the east and dry heat in the west. For San Antonio homeowners the practical consequence is that a maintenance visit before the season does more good than one booked after the first failure.
Permit requirements for San Antonio HVAC replacement apply whether the job is a condenser swap or a full system change-out. Most providers pull the permit as part of the job, but confirm that before any work begins.
Looking for the other side of the system? Heating Repair in San Antonio, TX.
- 78201
- 78202
- 78203
- 78204
- 78205
- 78206
- 78207
- 78208
- 78209
- 78210
- 78211
- 78212
- 78213
- 78214
- 78215
- 78216
- 78217
- 78218
- 78219
- 78220
- 78221
- 78222
- 78223
- 78224
- 78225
- 78226
- 78227
- 78228
- 78229
- 78230
- 78231
- 78232
- 78233
- 78235
- 78237
- 78238
- 78239
- 78240
- 78241
- 78242
- 78243
- 78244
- 78245
- 78246
- 78247
- 78248
- 78249
- 78250
- 78251
- 78252
- 78253
- 78254
- 78255
- 78256
- 78257
- 78258
- 78259
- 78260
- 78261
- 78263
Other vertical
Services
Cooling services in San Antonio
These are the cooling services most often requested from San Antonio. Each links to the full page for that job, including what usually breaks and what the work typically costs.
6 services
AC Repair in San Antonio
Summer load exposes cooling faults that stay hidden in mild weather, so a system that held setpoint in May can fall behind in July without anything new having broken.
View ac repair
02 AC Installation and Replacement in San Antonio
Systems on R-22 refrigerant face a replacement conversation regardless of condition, because the refrigerant is no longer manufactured and recharging becomes expensive.
Details
03 Heat Pump Repair in San Antonio
In cooling mode a heat pump behaves like any air conditioner, so the usual suspects are charge, coil condition and the capacitor.
Details
04 HVAC Maintenance and Tune-Up in San Antonio
A capacitor check before summer is cheap insurance against the same component failing on the hottest afternoon of the year when every technician is already booked.
Details
05 Thermostat Installation and Repair in San Antonio
Thermostat faults often present as system faults, which is why confirming the control is reading and calling correctly is the first diagnostic step.
Details
06 Duct Cleaning and Sealing in San Antonio
A duct system that loses 20% of its air before reaching the registers makes the cooling equipment work harder and extends run times without improving comfort.
DetailsInteractive
What is your thermostat reading?
Drag the dial to the temperature your thermostat shows now. The readout names the likely cause band, how urgent it is, and which page to read next.
78
Degrees F
- Likely cause band
- Cooling capacity loss: dirty coil, low refrigerant charge from a leak, or a failing capacitor.
- Urgency
- Call today
- Read next
- AC not cooling
What to do while you wait
- Set the thermostat to off, then leave it off until the technician arrives.
- If the breaker has tripped, leave it off rather than resetting it repeatedly.
- Change a loaded filter, which is the single most common cause of weak airflow.
- Open interior doors so what cool air remains can move between rooms.
Nearby
Nearby cities we cover
Problems we route in San Antonio
ZIP codes with their own page
- 78201
- 78202
- 78203
- 78204
- 78205
- 78206
- 78207
- 78208
- 78209
- 78210
- 78211
- 78212
- 78213
- 78214
- 78215
- 78216
- 78217
- 78218
- 78219
- 78220
- 78221
- 78222
- 78223
- 78224
- 78225
- 78226
- 78227
- 78228
- 78229
- 78230
- 78231
- 78232
- 78233
- 78235
- 78237
- 78238
- 78239
- 78240
- 78241
- 78242
- 78243
- 78244
- 78245
- 78246
- 78247
- 78248
- 78249
- 78250
- 78251
- 78252
- 78253
- 78254
- 78255
- 78256
- 78257
- 78258
- 78259
- 78260
- 78261
- 78263
- 78264
- 78265
- 78266
- 78268
- 78269
- 78270
- 78278
- 78279
- 78280
- 78283
- 78284
- 78285
- 78288
- 78289
- 78291
- 78292
- 78293
- 78294
- 78295
- 78296
- 78297
- 78298
- 78299
The practical sequence in San Antonio is simple: thermostat off, filter checked, outdoor unit cleared, then call. Anything beyond that is work for someone with a meter and refrigerant certification.
Emergency
If this is happening right now
Call now
- No cool air during a heat advisory
- No heat with outdoor temperatures below freezing
- Burning smell from the vents
- Water pooling at the air handler
- Ice on the line set
- Breaker tripping on every cycle
Call (855) 321-3194 and give your ZIP code.
Shut it off and call the utility or 911 first
- You smell gas: leave the building, then call the gas utility or 911
- Smoke or sparking at the equipment
- A carbon monoxide alarm is sounding: leave and call 911
Reference: CPSC recalls and US Fire Administration heating fire safety.
Shut it down safely
- Set the thermostat to off so the system stops cycling.
- Kill the breaker at the air handler and at the outdoor condenser.
- If you smell gas, leave the building first, then close the gas shut-off at the furnace only once you are outside and have called the utility or 911.
- Clear the area around the equipment and keep pets and people away from it.
A 24/7 line means the phone is answered around the clock in ET. It does not mean a technician is standing by in every market at every hour.
Same-day and 24/7 emergency services are subject to provider participation, location, technician availability, and demand. Availability is not guaranteed and may vary by market and appointment capacity.
Call (855) 321-3194Questions
San Antonio HVAC questions
Is there a charge to call?
No. There is no charge to call and no obligation to proceed. We may be compensated by providers or partners when you call, which does not change what you pay. The provider sets their own price and confirms it on site.
What if my system is still under warranty?
Many manufacturers cover parts for five to ten years, labor rarely. Have the model and serial number ready when you call. The provider can usually tell you whether the part is covered before fitting it.
How many ZIP codes do you cover in San Antonio?
We publish 83 San Antonio ZIP code areas, each linking back to this page and to the heating page for the city. If your ZIP code is not listed, call the line and the operator checks live whether a provider covers it.
What should I do before the provider arrives?
Set the thermostat to off so the system stops cycling against the fault, clear debris from the outdoor unit, and replace a visibly loaded filter. In extreme heat, move anyone vulnerable to the coolest room in the house.
Can I schedule a maintenance visit through this line?
Yes. Maintenance visits cover coil cleaning, condensate drain clearing, filter replacement and a capacitor check. These are booked as scheduled appointments rather than emergency dispatches, and the provider confirms timing and cost before attending.
Written and fact-checked by the HVAC Emergency USA editorial team. Last updated . Editorial policy.